diff --git a/cmd/keytransparency-server/main.go b/cmd/keytransparency-server/main.go
index ef0a619c5..81b7d24d4 100644
--- a/cmd/keytransparency-server/main.go
+++ b/cmd/keytransparency-server/main.go
@@ -193,12 +193,14 @@ func main() {
 
 	// Connect to map server.
 	var tmap trillian.TrillianMapClient
+	var tadmin trillian.TrillianAdminClient
 	if *mapURL != "" {
 		mconn, err := grpc.Dial(*mapURL, grpc.WithInsecure())
 		if err != nil {
 			glog.Exitf("grpc.Dial(%v): %v", *mapURL, err)
 		}
 		tmap = trillian.NewTrillianMapClient(mconn)
+		tadmin = trillian.NewTrillianAdminClient(mconn)
 	} else {
 		// Create an in-process readonly mapserver.
 		tmap, err = newReadonlyMapServer(context.Background(), *mapID, sqldb, factory)
@@ -208,7 +210,7 @@ func main() {
 	}
 
 	// Create gRPC server.
-	svr := keyserver.New(*logID, tlog, *mapID, tmap, commitments,
+	svr := keyserver.New(*logID, tlog, *mapID, tmap, tadmin, commitments,
 		vrfPriv, mutator, auth, authz, factory, mutations)
 	grpcServer := grpc.NewServer(
 		grpc.Creds(creds),
diff --git a/core/crypto/vrf/p256/p256.go b/core/crypto/vrf/p256/p256.go
index 358383c0f..b13b1ed76 100644
--- a/core/crypto/vrf/p256/p256.go
+++ b/core/crypto/vrf/p256/p256.go
@@ -221,6 +221,22 @@ func NewVRFSigner(key *ecdsa.PrivateKey) (*PrivateKey, error) {
 	return &PrivateKey{key}, nil
 }
 
+// Public returns the corresponding public key as bytes.
+func (k PrivateKey) Public() ([]byte, error) {
+	// Copied from: core/crypto/signatures/p256/ecdsa_p256.go
+	pkBytes, err := x509.MarshalPKIXPublicKey(&k.PublicKey)
+	if err != nil {
+		return nil, err
+	}
+	pkPEM := pem.EncodeToMemory(
+		&pem.Block{
+			Type:  "PUBLIC KEY",
+			Bytes: pkBytes,
+		},
+	)
+	return pkPEM, nil
+}
+
 // NewVRFVerifier creates a verifier object from a public key.
 func NewVRFVerifier(pubkey *ecdsa.PublicKey) (*PublicKey, error) {
 	if *(pubkey.Params()) != *curve.Params() {
diff --git a/core/crypto/vrf/vrf.go b/core/crypto/vrf/vrf.go
index 1d64d7e69..6d706e243 100644
--- a/core/crypto/vrf/vrf.go
+++ b/core/crypto/vrf/vrf.go
@@ -30,6 +30,8 @@ import (
 type PrivateKey interface {
 	// Evaluate returns the output of H(f_k(m)) and its proof.
 	Evaluate(m []byte) (index [32]byte, proof []byte)
+	// Public returns the corresponding public key as bytes.
+	Public() ([]byte, error)
 }
 
 // PublicKey supports verifying output from the VRF function.
diff --git a/core/keyserver/keyserver.go b/core/keyserver/keyserver.go
index 9e5a72b3e..f289a3b5c 100644
--- a/core/keyserver/keyserver.go
+++ b/core/keyserver/keyserver.go
@@ -32,6 +32,7 @@ import (
 	authzpb "github.com/google/keytransparency/core/proto/authorization"
 	tpb "github.com/google/keytransparency/core/proto/keytransparency_v1_types"
 	"github.com/google/trillian"
+	"github.com/google/trillian/crypto/keyspb"
 )
 
 const (
@@ -51,6 +52,7 @@ type Server struct {
 	tlog      trillian.TrillianLogClient
 	mapID     int64
 	tmap      trillian.TrillianMapClient
+	tadmin    trillian.TrillianAdminClient
 	committer commitments.Committer
 	auth      authentication.Authenticator
 	authz     authorization.Authorization
@@ -65,6 +67,7 @@ func New(logID int64,
 	tlog trillian.TrillianLogClient,
 	mapID int64,
 	tmap trillian.TrillianMapClient,
+	tadmin trillian.TrillianAdminClient,
 	committer commitments.Committer,
 	vrf vrf.PrivateKey,
 	mutator mutator.Mutator,
@@ -77,6 +80,7 @@ func New(logID int64,
 		tlog:      tlog,
 		mapID:     mapID,
 		tmap:      tmap,
+		tadmin:    tadmin,
 		committer: committer,
 		vrf:       vrf,
 		mutator:   mutator,
@@ -319,6 +323,39 @@ func (s *Server) UpdateEntry(ctx context.Context, in *tpb.UpdateEntryRequest) (*
 	return &tpb.UpdateEntryResponse{Proof: resp}, nil
 }
 
+// GetDomainInfo returns all info tied to the specified domain.
+//
+// This API to get all necessary data needed to verify a particular
+// key-server. Data contains for instance the tree-info, like for instance the
+// log-/map-id and the corresponding public-keys.
+func (s *Server) GetDomainInfo(ctx context.Context, in *tpb.GetDomainInfoRequest) (*tpb.GetDomainInfoResponse, error) {
+	logTree, err := s.tadmin.GetTree(ctx, &trillian.GetTreeRequest{
+		TreeId: s.logID,
+	})
+	if err != nil {
+		return nil, err
+	}
+	mapTree, err := s.tadmin.GetTree(ctx, &trillian.GetTreeRequest{
+		TreeId: s.mapID,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	vrfPub, err := s.vrf.Public()
+	if err != nil {
+		return nil, err
+	}
+
+	return &tpb.GetDomainInfoResponse{
+		Log: logTree,
+		Map: mapTree,
+		Vrf: &keyspb.PublicKey{
+			Der: vrfPub,
+		},
+	}, nil
+}
+
 func (s *Server) saveCommitment(ctx context.Context, kv *tpb.KeyValue, committed *tpb.Committed) error {
 	entry := new(tpb.Entry)
 	if err := proto.Unmarshal(kv.Value, entry); err != nil {
diff --git a/core/keyserver/keyserver_test.go b/core/keyserver/keyserver_test.go
index 8c7ef303b..980fb1e43 100644
--- a/core/keyserver/keyserver_test.go
+++ b/core/keyserver/keyserver_test.go
@@ -70,8 +70,9 @@ func TestListEntryHistory(t *testing.T) {
 		sths := &fakeSequenced{make([][]byte, 0)}
 		mapsvr := mapserver.NewReadonly(mapID, tree, fakeFactory{}, sths)
 		tlog := fake.NewFakeTrillianLogClient()
+		tadmin := trillian.NewTrillianAdminClient(nil)
 
-		srv := New(logID, tlog, mapID, mapsvr, c, fakePrivateKey{}, fakeMutator{},
+		srv := New(logID, tlog, mapID, mapsvr, tadmin, c, fakePrivateKey{}, fakeMutator{},
 			authentication.NewFake(), fakeAuthz{}, fakeFactory{}, fakeMutation{})
 		if err := addProfiles(profileCount, c, tree, sths); err != nil {
 			t.Fatalf("addProfile(%v, _, _, _)=%v", profileCount, err)
@@ -196,6 +197,8 @@ type fakePrivateKey struct{}
 
 func (fakePrivateKey) Evaluate(m []byte) ([32]byte, []byte) { return [32]byte{}, nil }
 
+func (fakePrivateKey) Public() ([]byte, error) { return []byte{}, nil }
+
 // mutator.Mutator fake.
 type fakeMutator struct{}
 
diff --git a/core/proto/keytransparency_v1_types/keytransparency_v1_types.pb.go b/core/proto/keytransparency_v1_types/keytransparency_v1_types.pb.go
index 94839f807..4f6d61237 100644
--- a/core/proto/keytransparency_v1_types/keytransparency_v1_types.pb.go
+++ b/core/proto/keytransparency_v1_types/keytransparency_v1_types.pb.go
@@ -29,12 +29,15 @@ It has these top-level messages:
 	UpdateEntryResponse
 	GetMutationsRequest
 	GetMutationsResponse
+	GetDomainInfoRequest
+	GetDomainInfoResponse
 */
 package keytransparency_v1_types
 
 import proto "github.com/golang/protobuf/proto"
 import fmt "fmt"
 import math "math"
+import keyspb "github.com/google/trillian/crypto/keyspb"
 import sigpb "github.com/google/trillian/crypto/sigpb"
 import trillian "github.com/google/trillian"
 import trillian1 "github.com/google/trillian"
@@ -348,8 +351,8 @@ func (m *SignedKV) GetPrevious() []byte {
 type Mutation struct {
 	// update contains the actual mutation information.
 	Update *SignedKV `protobuf:"bytes,1,opt,name=update" json:"update,omitempty"`
-	// proof contains a leaf and an inclusion proof in the map.
-	// This is used by Storage-less monitors.
+	// proof contains a leaf and an inclusion proof in the map of the previous
+	// epoch. This is used by Storage-less monitors.
 	Proof *trillian1.MapLeafInclusion `protobuf:"bytes,2,opt,name=proof" json:"proof,omitempty"`
 }
 
@@ -756,6 +759,52 @@ func (m *GetMutationsResponse) GetNextPageToken() string {
 	return ""
 }
 
+// GetDomainInfoRequest contains an empty request to query the GetDomainInfo
+// APIs.
+type GetDomainInfoRequest struct {
+}
+
+func (m *GetDomainInfoRequest) Reset()                    { *m = GetDomainInfoRequest{} }
+func (m *GetDomainInfoRequest) String() string            { return proto.CompactTextString(m) }
+func (*GetDomainInfoRequest) ProtoMessage()               {}
+func (*GetDomainInfoRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{15} }
+
+// GetDomainInfoResponse contains the results of GetDomainInfo APIs.
+type GetDomainInfoResponse struct {
+	// Log contains the Log-Tree's info.
+	Log *trillian.Tree `protobuf:"bytes,1,opt,name=log" json:"log,omitempty"`
+	// Map contains the Map-Tree's info.
+	Map *trillian.Tree `protobuf:"bytes,2,opt,name=map" json:"map,omitempty"`
+	// Vrf contains the VRF public key.
+	Vrf *keyspb.PublicKey `protobuf:"bytes,3,opt,name=vrf" json:"vrf,omitempty"`
+}
+
+func (m *GetDomainInfoResponse) Reset()                    { *m = GetDomainInfoResponse{} }
+func (m *GetDomainInfoResponse) String() string            { return proto.CompactTextString(m) }
+func (*GetDomainInfoResponse) ProtoMessage()               {}
+func (*GetDomainInfoResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{16} }
+
+func (m *GetDomainInfoResponse) GetLog() *trillian.Tree {
+	if m != nil {
+		return m.Log
+	}
+	return nil
+}
+
+func (m *GetDomainInfoResponse) GetMap() *trillian.Tree {
+	if m != nil {
+		return m.Map
+	}
+	return nil
+}
+
+func (m *GetDomainInfoResponse) GetVrf() *keyspb.PublicKey {
+	if m != nil {
+		return m.Vrf
+	}
+	return nil
+}
+
 func init() {
 	proto.RegisterType((*Committed)(nil), "keytransparency.v1.types.Committed")
 	proto.RegisterType((*EntryUpdate)(nil), "keytransparency.v1.types.EntryUpdate")
@@ -772,72 +821,79 @@ func init() {
 	proto.RegisterType((*UpdateEntryResponse)(nil), "keytransparency.v1.types.UpdateEntryResponse")
 	proto.RegisterType((*GetMutationsRequest)(nil), "keytransparency.v1.types.GetMutationsRequest")
 	proto.RegisterType((*GetMutationsResponse)(nil), "keytransparency.v1.types.GetMutationsResponse")
+	proto.RegisterType((*GetDomainInfoRequest)(nil), "keytransparency.v1.types.GetDomainInfoRequest")
+	proto.RegisterType((*GetDomainInfoResponse)(nil), "keytransparency.v1.types.GetDomainInfoResponse")
 }
 
 func init() { proto.RegisterFile("keytransparency_v1_types.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
-	// 985 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xbc, 0x56, 0xdf, 0x6e, 0xdb, 0xb6,
-	0x17, 0xae, 0xed, 0xd8, 0xb1, 0x4e, 0xfe, 0x15, 0x6c, 0x7e, 0x89, 0x7e, 0x1e, 0x5a, 0x04, 0x2a,
-	0xb6, 0x75, 0xc3, 0xe0, 0x35, 0x2a, 0x92, 0xad, 0xdd, 0xc5, 0xba, 0x76, 0x43, 0x13, 0x24, 0x01,
-	0x02, 0xa6, 0xcd, 0x2e, 0x05, 0xc6, 0xa2, 0x15, 0x22, 0xb2, 0xc8, 0x91, 0x94, 0x51, 0x05, 0xd8,
-	0x1b, 0x0c, 0x18, 0xb0, 0x67, 0xd8, 0x33, 0xec, 0x05, 0xf6, 0x16, 0x7b, 0x9a, 0x81, 0xa4, 0x64,
-	0xcb, 0xa9, 0xd3, 0x34, 0xbd, 0xd8, 0x4d, 0xc0, 0x73, 0x78, 0x3e, 0x9d, 0x73, 0xbe, 0xf3, 0x1d,
-	0x3a, 0xf0, 0xe0, 0x82, 0x16, 0x5a, 0x92, 0x4c, 0x09, 0x22, 0x69, 0x36, 0x28, 0xa2, 0xf1, 0x76,
-	0xa4, 0x0b, 0x41, 0x55, 0x5f, 0x48, 0xae, 0x39, 0xf2, 0xaf, 0xdc, 0xf7, 0xc7, 0xdb, 0x7d, 0x7b,
-	0xdf, 0xf3, 0x07, 0xb2, 0x10, 0x9a, 0x7f, 0xad, 0x58, 0x22, 0xce, 0xdc, 0x5f, 0x87, 0xe9, 0xad,
-	0x6a, 0xc9, 0xd2, 0x94, 0x91, 0xac, 0xb4, 0x37, 0x2a, 0x3b, 0x1a, 0x11, 0x11, 0x11, 0xc1, 0x9c,
-	0x3f, 0xd8, 0x06, 0xef, 0x25, 0x1f, 0x8d, 0x98, 0xd6, 0x34, 0x46, 0x77, 0xa1, 0x75, 0x41, 0x0b,
-	0xbf, 0xb1, 0xd5, 0x78, 0xb4, 0x8c, 0xcd, 0x11, 0x21, 0x58, 0x88, 0x89, 0x26, 0x7e, 0xd3, 0xba,
-	0xec, 0x39, 0xf8, 0xad, 0x01, 0x4b, 0x3f, 0x65, 0x5a, 0x16, 0x6f, 0x44, 0x4c, 0x34, 0x45, 0xcf,
-	0xa0, 0x93, 0xdb, 0x93, 0x8d, 0x5a, 0x0a, 0x83, 0xfe, 0x75, 0xf5, 0xf6, 0x4f, 0x58, 0x92, 0xd1,
-	0xf8, 0xe0, 0x14, 0x97, 0x08, 0xf4, 0x03, 0x78, 0x83, 0x2a, 0xbd, 0xdf, 0xb2, 0xf0, 0x87, 0xd7,
-	0xc3, 0x27, 0x95, 0xe2, 0x29, 0x2a, 0xc8, 0xa1, 0x6d, 0xab, 0x41, 0x0f, 0x00, 0x9c, 0x77, 0x44,
-	0x33, 0x5d, 0x36, 0x51, 0xf3, 0xa0, 0x43, 0x58, 0x23, 0xb9, 0x3e, 0xe7, 0x92, 0x5d, 0xd2, 0x38,
-	0xba, 0xa0, 0x85, 0xf2, 0x9b, 0x5b, 0xad, 0xf7, 0x67, 0x3c, 0xce, 0xcf, 0x52, 0x36, 0x38, 0xa0,
-	0x05, 0x5e, 0x9d, 0x62, 0x0f, 0x68, 0xa1, 0x82, 0x3f, 0x1b, 0xe0, 0x4d, 0x6e, 0x51, 0x0f, 0x16,
-	0x69, 0x1c, 0xee, 0xec, 0x6c, 0x3f, 0x75, 0x89, 0xf7, 0xee, 0xe0, 0xca, 0x81, 0xbe, 0x83, 0xff,
-	0x4b, 0x45, 0xa2, 0x31, 0x95, 0x6c, 0x58, 0xb0, 0x2c, 0x89, 0xd4, 0x39, 0x09, 0x77, 0x76, 0xa3,
-	0x27, 0x8f, 0xbf, 0x09, 0x1d, 0xb1, 0x7b, 0x77, 0xf0, 0x86, 0x54, 0xe4, 0xb4, 0x8a, 0x38, 0xb1,
-	0x01, 0xe6, 0x1e, 0x85, 0xb0, 0x4e, 0x07, 0xf1, 0x0c, 0x5c, 0x84, 0x3b, 0xbb, 0x96, 0x2b, 0x83,
-	0x43, 0xf6, 0x76, 0x82, 0x3c, 0x0e, 0x77, 0x76, 0x5f, 0x00, 0x74, 0x2f, 0x68, 0x61, 0x25, 0x14,
-	0x84, 0xd0, 0x3d, 0xa0, 0xc5, 0x29, 0x49, 0x73, 0x3a, 0x67, 0xbc, 0xeb, 0xd0, 0x1e, 0x9b, 0xab,
-	0x72, 0xbe, 0xce, 0x08, 0xfe, 0x68, 0x42, 0xb7, 0x9a, 0x14, 0xfa, 0x1e, 0x3c, 0xf3, 0x31, 0x17,
-	0xd6, 0xb8, 0x69, 0xc0, 0x55, 0x2e, 0x6c, 0x2a, 0x70, 0x59, 0x31, 0x80, 0x62, 0x49, 0x46, 0x74,
-	0x2e, 0x69, 0xc5, 0x78, 0x78, 0xb3, 0x44, 0xec, 0xc1, 0x81, 0xec, 0x78, 0x71, 0xed, 0x2b, 0xa8,
-	0x07, 0x5d, 0x21, 0xe9, 0x98, 0xf1, 0x5c, 0x39, 0x26, 0xf0, 0xc4, 0xee, 0xbd, 0x81, 0xb5, 0x2b,
-	0xd0, 0x7a, 0xe3, 0x9e, 0x6b, 0xfc, 0xab, 0x7a, 0xe3, 0x4b, 0xe1, 0x46, 0xdf, 0xed, 0xce, 0x8f,
-	0x2c, 0x61, 0x9a, 0xa4, 0x69, 0xe1, 0xaa, 0x28, 0x09, 0x79, 0xd6, 0xfc, 0xb6, 0x11, 0xbc, 0x85,
-	0xee, 0x51, 0xae, 0x89, 0x66, 0x3c, 0xab, 0x29, 0xbe, 0x71, 0x6b, 0xc5, 0x3f, 0x86, 0xb6, 0x90,
-	0x9c, 0x0f, 0xcb, 0xcc, 0xbd, 0xfe, 0x64, 0x51, 0x8f, 0x88, 0x38, 0xa4, 0x64, 0xb8, 0x9f, 0x0d,
-	0xd2, 0x5c, 0x31, 0x9e, 0x61, 0x17, 0x18, 0x30, 0x58, 0x7b, 0x45, 0xb5, 0x23, 0x81, 0xfe, 0x92,
-	0x53, 0xa5, 0xd1, 0x26, 0x2c, 0xe6, 0x8a, 0xca, 0x88, 0xc5, 0x65, 0x53, 0x1d, 0x63, 0xee, 0xc7,
-	0xe8, 0x7f, 0xd0, 0x21, 0x42, 0x18, 0x7f, 0xd3, 0xfa, 0xdb, 0x44, 0x88, 0xfd, 0x18, 0x7d, 0x06,
-	0x6b, 0x43, 0x26, 0x95, 0x8e, 0xb4, 0xa4, 0x34, 0x52, 0xec, 0x92, 0x5a, 0xda, 0x5a, 0x78, 0xc5,
-	0xba, 0x5f, 0x4b, 0x4a, 0x4f, 0xd8, 0x25, 0x0d, 0xfe, 0x69, 0xc2, 0xdd, 0x69, 0x2e, 0x25, 0x78,
-	0xa6, 0x28, 0xfa, 0x04, 0xbc, 0xb1, 0x1c, 0x46, 0xae, 0x6a, 0x27, 0x9e, 0xee, 0x58, 0x0e, 0x8f,
-	0x8d, 0x3d, 0xbb, 0xc0, 0xcd, 0x8f, 0x59, 0x60, 0xf4, 0x14, 0x20, 0xa5, 0xa4, 0x4a, 0xd0, 0xba,
-	0x91, 0x16, 0xcf, 0x44, 0xbb, 0xec, 0x5f, 0x40, 0x4b, 0x8d, 0xa4, 0xbf, 0x60, 0x31, 0x9b, 0x53,
-	0x8c, 0x63, 0xfd, 0x88, 0x08, 0xcc, 0xb9, 0xc6, 0x26, 0x06, 0x85, 0xd0, 0x4d, 0x79, 0x12, 0x49,
-	0xce, 0xb5, 0xdf, 0x9e, 0x1f, 0x7f, 0xc8, 0x13, 0x1b, 0xbf, 0x98, 0xba, 0x03, 0xfa, 0x1c, 0xd6,
-	0x0c, 0x66, 0xc0, 0x33, 0xc5, 0x94, 0x36, 0xad, 0xf8, 0x9d, 0xad, 0xd6, 0xa3, 0x65, 0xbc, 0x9a,
-	0xf2, 0xe4, 0xe5, 0xd4, 0x8b, 0x1e, 0xc2, 0x8a, 0x09, 0x64, 0x55, 0x8d, 0xfe, 0xa2, 0x0d, 0x5b,
-	0x4e, 0x79, 0x32, 0xa9, 0xdb, 0xbc, 0x18, 0x9b, 0x87, 0x4c, 0x39, 0x76, 0xf7, 0x98, 0xd2, 0xfc,
-	0x03, 0x06, 0xba, 0x0e, 0x6d, 0xa5, 0x89, 0xd4, 0x96, 0xdb, 0x16, 0x76, 0x86, 0x19, 0x89, 0x20,
-	0x49, 0x6d, 0x92, 0x6d, 0xdc, 0x35, 0x0e, 0x33, 0xc4, 0x9a, 0x06, 0x16, 0x6e, 0xd0, 0x40, 0x7b,
-	0x9e, 0x06, 0x7e, 0x05, 0xff, 0xdd, 0x2a, 0x4b, 0x29, 0xbc, 0x80, 0x8e, 0xdd, 0x08, 0xe5, 0x37,
-	0xec, 0x1e, 0x7f, 0x79, 0xfd, 0xa8, 0xaf, 0xca, 0x08, 0x97, 0x48, 0x74, 0x1f, 0x20, 0xa3, 0x6f,
-	0x75, 0x54, 0x6f, 0xcb, 0x33, 0x9e, 0x13, 0xe3, 0x08, 0xfe, 0x6a, 0x00, 0x72, 0x3f, 0x2c, 0xff,
-	0x85, 0xe2, 0xd1, 0x1e, 0x2c, 0x53, 0x93, 0x27, 0x2a, 0x17, 0xda, 0x49, 0xe9, 0xd3, 0xeb, 0xfb,
-	0xaa, 0xfd, 0xf2, 0xe1, 0x25, 0x3a, 0x35, 0x82, 0x9f, 0xe1, 0xde, 0x4c, 0xdd, 0x25, 0x65, 0xcf,
-	0xab, 0x7d, 0x77, 0x4f, 0xc5, 0x6d, 0x18, 0x2b, 0xf7, 0xff, 0xf7, 0x06, 0xdc, 0x7b, 0x45, 0x75,
-	0xf5, 0xfa, 0xa8, 0x8a, 0x92, 0x75, 0x68, 0x53, 0xc1, 0x07, 0xe7, 0xf6, 0xcb, 0x2d, 0xec, 0x8c,
-	0x79, 0x8d, 0x37, 0xe7, 0x35, 0x7e, 0x1f, 0xc0, 0x4a, 0x48, 0xf3, 0x0b, 0x9a, 0x59, 0x6e, 0x3c,
-	0x6c, 0x45, 0xf5, 0xda, 0x38, 0x66, 0x15, 0xb6, 0x30, 0xab, 0xb0, 0xe0, 0xef, 0x26, 0xac, 0xcf,
-	0x56, 0x54, 0x36, 0x3b, 0xbf, 0xa4, 0x72, 0x4b, 0x9b, 0xb7, 0xdc, 0xd2, 0xd6, 0xc7, 0x6f, 0xe9,
-	0xc2, 0x87, 0x6d, 0x69, 0xfb, 0xdd, 0x2d, 0x45, 0xcf, 0xc1, 0x1b, 0x55, 0x7d, 0xd9, 0x6d, 0x7f,
-	0xef, 0xf3, 0x5e, 0x51, 0x80, 0xa7, 0x20, 0x33, 0x01, 0x2b, 0xf0, 0x1a, 0xbd, 0x8b, 0x96, 0xde,
-	0x15, 0xe3, 0x3e, 0xae, 0x28, 0x3e, 0xeb, 0xd8, 0xff, 0xc0, 0x9e, 0xfc, 0x1b, 0x00, 0x00, 0xff,
-	0xff, 0xbd, 0x88, 0x8a, 0x70, 0xff, 0x09, 0x00, 0x00,
+	// 1057 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xbc, 0x56, 0xdd, 0x4e, 0x1b, 0xc7,
+	0x17, 0x8f, 0xbd, 0xd8, 0xd8, 0x87, 0xaf, 0xfc, 0x27, 0x04, 0xf6, 0xef, 0x2a, 0x11, 0x5a, 0xd4,
+	0x36, 0xad, 0x2a, 0x37, 0x38, 0x82, 0x36, 0xe9, 0x45, 0xd3, 0x24, 0x55, 0x40, 0x80, 0x84, 0x86,
+	0x84, 0x5e, 0xae, 0x06, 0x7b, 0xbc, 0x8c, 0x58, 0xef, 0x4c, 0x67, 0x66, 0xad, 0x2c, 0x52, 0xa5,
+	0x3e, 0x40, 0xa5, 0x4a, 0x7d, 0x86, 0x3e, 0x43, 0x5f, 0xa0, 0x6f, 0xd1, 0xa7, 0xa9, 0xe6, 0x63,
+	0xfd, 0x01, 0x26, 0x84, 0x5c, 0xf4, 0xc6, 0x9e, 0xf3, 0xb5, 0xe7, 0x9c, 0xdf, 0xf9, 0x9d, 0xd9,
+	0x85, 0x87, 0xe7, 0xb4, 0xd0, 0x92, 0x64, 0x4a, 0x10, 0x49, 0xb3, 0x6e, 0x11, 0x0f, 0xb7, 0x62,
+	0x5d, 0x08, 0xaa, 0xda, 0x42, 0x72, 0xcd, 0x51, 0x78, 0xc9, 0xde, 0x1e, 0x6e, 0xb5, 0xad, 0xbd,
+	0xd5, 0xea, 0xca, 0x42, 0x68, 0xfe, 0xf5, 0x39, 0x2d, 0x94, 0x38, 0xf5, 0x7f, 0x2e, 0xaa, 0x15,
+	0x7a, 0x9b, 0x62, 0x89, 0x38, 0x75, 0xbf, 0xde, 0xb2, 0xac, 0x25, 0x4b, 0x53, 0x46, 0x32, 0x2f,
+	0xaf, 0x95, 0x72, 0x3c, 0x20, 0x22, 0x26, 0x82, 0x39, 0x7d, 0xb4, 0x05, 0xcd, 0x97, 0x7c, 0x30,
+	0x60, 0x5a, 0xd3, 0x1e, 0xba, 0x0b, 0xc1, 0x39, 0x2d, 0xc2, 0xca, 0x46, 0xe5, 0xd1, 0x22, 0x36,
+	0x47, 0x84, 0x60, 0xae, 0x47, 0x34, 0x09, 0xab, 0x56, 0x65, 0xcf, 0xd1, 0x6f, 0x15, 0x58, 0xf8,
+	0x31, 0xd3, 0xb2, 0x78, 0x2b, 0x7a, 0x44, 0x53, 0xf4, 0x0c, 0xea, 0xb9, 0x3d, 0x59, 0xaf, 0x85,
+	0x4e, 0xd4, 0xbe, 0xae, 0x97, 0xf6, 0x31, 0x4b, 0x32, 0xda, 0xdb, 0x3f, 0xc1, 0x3e, 0x02, 0xfd,
+	0x00, 0xcd, 0x6e, 0x99, 0x3e, 0x0c, 0x6c, 0xf8, 0xe6, 0xf5, 0xe1, 0xa3, 0x4a, 0xf1, 0x38, 0x2a,
+	0xca, 0xa1, 0x66, 0xab, 0x41, 0x0f, 0x01, 0x9c, 0x76, 0x40, 0x33, 0xed, 0x9b, 0x98, 0xd0, 0xa0,
+	0x03, 0x58, 0x21, 0xb9, 0x3e, 0xe3, 0x92, 0x5d, 0xd0, 0x5e, 0x6c, 0x70, 0x0c, 0xab, 0x1b, 0xc1,
+	0xfb, 0x33, 0x1e, 0xe5, 0xa7, 0x29, 0xeb, 0xee, 0xd3, 0x02, 0x2f, 0x8f, 0x63, 0xf7, 0x69, 0xa1,
+	0xa2, 0x3f, 0x2b, 0xd0, 0x1c, 0x59, 0x51, 0x0b, 0xe6, 0x69, 0xaf, 0xb3, 0xbd, 0xbd, 0xf5, 0xd4,
+	0x25, 0xde, 0xbd, 0x83, 0x4b, 0x05, 0xfa, 0x0e, 0xfe, 0x2f, 0x15, 0x89, 0x87, 0x54, 0xb2, 0x7e,
+	0xc1, 0xb2, 0x24, 0x56, 0x67, 0xa4, 0xb3, 0xbd, 0x13, 0x3f, 0x79, 0xfc, 0x4d, 0xc7, 0x01, 0xbb,
+	0x7b, 0x07, 0xaf, 0x49, 0x45, 0x4e, 0x4a, 0x8f, 0x63, 0xeb, 0x60, 0xec, 0xa8, 0x03, 0xab, 0xb4,
+	0xdb, 0x9b, 0x0a, 0x17, 0x9d, 0xed, 0x1d, 0x8b, 0x95, 0x89, 0x43, 0xd6, 0x3a, 0x8a, 0x3c, 0xea,
+	0x6c, 0xef, 0xbc, 0x00, 0x68, 0x9c, 0xd3, 0xc2, 0xd2, 0x2b, 0xea, 0x40, 0x63, 0x9f, 0x16, 0x27,
+	0x24, 0xcd, 0xe9, 0x8c, 0xf1, 0xae, 0x42, 0x6d, 0x68, 0x4c, 0x7e, 0xbe, 0x4e, 0x88, 0xfe, 0xa8,
+	0x42, 0xa3, 0x9c, 0x14, 0xfa, 0x1e, 0x9a, 0xe6, 0x61, 0xce, 0xad, 0x72, 0xd3, 0x80, 0xcb, 0x5c,
+	0xd8, 0x54, 0xe0, 0xb2, 0x62, 0x00, 0xc5, 0x92, 0x8c, 0xe8, 0x5c, 0xd2, 0x12, 0xf1, 0xce, 0xcd,
+	0x14, 0xb1, 0x07, 0x17, 0x64, 0xc7, 0x8b, 0x27, 0x9e, 0x82, 0x5a, 0xd0, 0x10, 0x92, 0x0e, 0x19,
+	0xcf, 0x95, 0x43, 0x02, 0x8f, 0xe4, 0xd6, 0x5b, 0x58, 0xb9, 0x14, 0x3a, 0xd9, 0x78, 0xd3, 0x35,
+	0xfe, 0xd5, 0x64, 0xe3, 0x0b, 0x9d, 0xb5, 0xb6, 0xdb, 0x9d, 0x57, 0x2c, 0x61, 0x9a, 0xa4, 0x69,
+	0xe1, 0xaa, 0xf0, 0x80, 0x3c, 0xab, 0x7e, 0x5b, 0x89, 0xde, 0x41, 0xe3, 0x30, 0xd7, 0x44, 0x33,
+	0x9e, 0x4d, 0x30, 0xbe, 0x72, 0x6b, 0xc6, 0x3f, 0x86, 0x9a, 0x90, 0x9c, 0xf7, 0x7d, 0xe6, 0x56,
+	0x7b, 0xb4, 0xa8, 0x87, 0x44, 0x1c, 0x50, 0xd2, 0xdf, 0xcb, 0xba, 0x69, 0xae, 0x18, 0xcf, 0xb0,
+	0x73, 0x8c, 0x18, 0xac, 0xbc, 0xa6, 0xda, 0x81, 0x40, 0x7f, 0xce, 0xa9, 0xd2, 0x68, 0x1d, 0xe6,
+	0x73, 0x45, 0x65, 0xcc, 0x7a, 0xbe, 0xa9, 0xba, 0x11, 0xf7, 0x7a, 0xe8, 0x3e, 0xd4, 0x89, 0x10,
+	0x46, 0x5f, 0xb5, 0xfa, 0x1a, 0x11, 0x62, 0xaf, 0x87, 0x3e, 0x83, 0x95, 0x3e, 0x93, 0x4a, 0xc7,
+	0x5a, 0x52, 0x1a, 0x2b, 0x76, 0x41, 0x2d, 0x6c, 0x01, 0x5e, 0xb2, 0xea, 0x37, 0x92, 0xd2, 0x63,
+	0x76, 0x41, 0xa3, 0x7f, 0xaa, 0x70, 0x77, 0x9c, 0x4b, 0x09, 0x9e, 0x29, 0x8a, 0x3e, 0x81, 0xe6,
+	0x50, 0xf6, 0x63, 0x57, 0xb5, 0x23, 0x4f, 0x63, 0x28, 0xfb, 0x47, 0x46, 0x9e, 0x5e, 0xe0, 0xea,
+	0xc7, 0x2c, 0x30, 0x7a, 0x0a, 0x90, 0x52, 0x52, 0x26, 0x08, 0x6e, 0x84, 0xa5, 0x69, 0xbc, 0x5d,
+	0xf6, 0x2f, 0x20, 0x50, 0x03, 0x19, 0xce, 0xd9, 0x98, 0xf5, 0x71, 0x8c, 0x43, 0xfd, 0x90, 0x08,
+	0xcc, 0xb9, 0xc6, 0xc6, 0x07, 0x75, 0xa0, 0x91, 0xf2, 0x24, 0x96, 0x9c, 0xeb, 0xb0, 0x36, 0xdb,
+	0xff, 0x80, 0x27, 0xd6, 0x7f, 0x3e, 0x75, 0x07, 0xf4, 0x39, 0xac, 0x98, 0x98, 0x2e, 0xcf, 0x14,
+	0x53, 0xda, 0xb4, 0x12, 0xd6, 0x37, 0x82, 0x47, 0x8b, 0x78, 0x39, 0xe5, 0xc9, 0xcb, 0xb1, 0x16,
+	0x6d, 0xc2, 0x92, 0x71, 0x64, 0x65, 0x8d, 0xe1, 0xbc, 0x75, 0x5b, 0x4c, 0x79, 0x32, 0xaa, 0xdb,
+	0xdc, 0x18, 0xeb, 0x07, 0x4c, 0x39, 0x74, 0x77, 0x99, 0xd2, 0xfc, 0x03, 0x06, 0xba, 0x0a, 0x35,
+	0xa5, 0x89, 0xd4, 0x16, 0xdb, 0x00, 0x3b, 0xc1, 0x8c, 0x44, 0x90, 0x64, 0x62, 0x92, 0x35, 0xdc,
+	0x30, 0x0a, 0x33, 0xc4, 0x09, 0x0e, 0xcc, 0xdd, 0xc0, 0x81, 0xda, 0x2c, 0x0e, 0xfc, 0x02, 0xe1,
+	0xd5, 0x2a, 0x3d, 0x15, 0x5e, 0x40, 0xdd, 0x6e, 0x84, 0x0a, 0x2b, 0x76, 0x8f, 0xbf, 0xbc, 0x7e,
+	0xd4, 0x97, 0x69, 0x84, 0x7d, 0x24, 0x7a, 0x00, 0x90, 0xd1, 0x77, 0x3a, 0x9e, 0x6c, 0xab, 0x69,
+	0x34, 0xc7, 0x46, 0x11, 0xfd, 0x55, 0x01, 0xe4, 0x5e, 0x2c, 0xff, 0x05, 0xe3, 0xd1, 0x2e, 0x2c,
+	0x52, 0x93, 0x27, 0xf6, 0x0b, 0xed, 0xa8, 0xf4, 0xe9, 0xf5, 0x7d, 0x4d, 0xbc, 0xf9, 0xf0, 0x02,
+	0x1d, 0x0b, 0xd1, 0x4f, 0x70, 0x6f, 0xaa, 0x6e, 0x0f, 0xd9, 0xf3, 0x72, 0xdf, 0xdd, 0x55, 0x71,
+	0x1b, 0xc4, 0xfc, 0xfe, 0xff, 0x5e, 0x81, 0x7b, 0xaf, 0xa9, 0x2e, 0x6f, 0x1f, 0x55, 0x42, 0xb2,
+	0x0a, 0x35, 0x2a, 0x78, 0xf7, 0xcc, 0x3e, 0x39, 0xc0, 0x4e, 0x98, 0xd5, 0x78, 0x75, 0x56, 0xe3,
+	0x0f, 0x00, 0x2c, 0x85, 0x34, 0x3f, 0xa7, 0x99, 0xc5, 0xa6, 0x89, 0x2d, 0xa9, 0xde, 0x18, 0xc5,
+	0x34, 0xc3, 0xe6, 0xa6, 0x19, 0x16, 0xfd, 0x5d, 0x85, 0xd5, 0xe9, 0x8a, 0x7c, 0xb3, 0xb3, 0x4b,
+	0xf2, 0x5b, 0x5a, 0xbd, 0xe5, 0x96, 0x06, 0x1f, 0xbf, 0xa5, 0x73, 0x1f, 0xb6, 0xa5, 0xb5, 0xab,
+	0x5b, 0x8a, 0x9e, 0x43, 0x73, 0x50, 0xf6, 0x65, 0xb7, 0xfd, 0xbd, 0xd7, 0x7b, 0x09, 0x01, 0x1e,
+	0x07, 0x99, 0x09, 0x58, 0x82, 0x4f, 0xc0, 0x3b, 0x6f, 0xe1, 0x5d, 0x32, 0xea, 0xa3, 0x12, 0xe2,
+	0x68, 0xcd, 0x82, 0xf8, 0x8a, 0x0f, 0x08, 0xcb, 0xf6, 0xb2, 0x3e, 0xf7, 0x73, 0x8d, 0x7e, 0xad,
+	0xc0, 0xfd, 0x4b, 0x06, 0x0f, 0xef, 0x06, 0x04, 0x29, 0x4f, 0x3c, 0x93, 0x96, 0xc7, 0xc0, 0x98,
+	0xa1, 0x62, 0x63, 0x32, 0x1e, 0x03, 0x22, 0x3c, 0xd4, 0x57, 0x3c, 0x06, 0x44, 0xa0, 0x4d, 0x08,
+	0x86, 0xb2, 0xbc, 0x66, 0xff, 0xd7, 0xf6, 0x9f, 0x93, 0xe3, 0xef, 0x1c, 0x63, 0x3d, 0xad, 0xdb,
+	0x8f, 0xc3, 0x27, 0xff, 0x06, 0x00, 0x00, 0xff, 0xff, 0x87, 0x52, 0x53, 0x62, 0xb6, 0x0a, 0x00,
+	0x00,
 }
diff --git a/core/proto/keytransparency_v1_types/keytransparency_v1_types.proto b/core/proto/keytransparency_v1_types/keytransparency_v1_types.proto
index 1636eb61b..f406f5c8e 100644
--- a/core/proto/keytransparency_v1_types/keytransparency_v1_types.proto
+++ b/core/proto/keytransparency_v1_types/keytransparency_v1_types.proto
@@ -21,6 +21,7 @@ syntax = "proto3";
 // associated with it.
 package keytransparency.v1.types;
 
+import "crypto/keyspb/keyspb.proto";
 import "crypto/sigpb/sigpb.proto";
 import "trillian.proto";
 import "trillian_map_api.proto";
@@ -100,8 +101,8 @@ message SignedKV {
 message Mutation {
   // update contains the actual mutation information.
   SignedKV update = 1;
-  // proof contains a leaf and an inclusion proof in the map.
-  // This is used by Storage-less monitors.
+  // proof contains a leaf and an inclusion proof in the map of the previous
+  // epoch. This is used by Storage-less monitors.
   trillian.MapLeafInclusion proof = 2;
 }
 
@@ -236,3 +237,17 @@ message GetMutationsResponse {
   // results.
   string next_page_token = 7;
 }
+
+// GetDomainInfoRequest contains an empty request to query the GetDomainInfo
+// APIs.
+message GetDomainInfoRequest {}
+
+// GetDomainInfoResponse contains the results of GetDomainInfo APIs.
+message GetDomainInfoResponse {
+  // Log contains the Log-Tree's info.
+  trillian.Tree log = 1;
+  // Map contains the Map-Tree's info.
+  trillian.Tree map = 2;
+  // Vrf contains the VRF public key.
+  keyspb.PublicKey vrf = 3;
+}
diff --git a/impl/proto/keytransparency_v1_service/keytransparency_v1_service.pb.go b/impl/proto/keytransparency_v1_service/keytransparency_v1_service.pb.go
index 671988f09..8023aec19 100644
--- a/impl/proto/keytransparency_v1_service/keytransparency_v1_service.pb.go
+++ b/impl/proto/keytransparency_v1_service/keytransparency_v1_service.pb.go
@@ -64,6 +64,12 @@ type KeyTransparencyServiceClient interface {
 	// Returns the current user profile.
 	// Clients must retry until this function returns a proof containing the desired value.
 	UpdateEntry(ctx context.Context, in *keytransparency_v1_types.UpdateEntryRequest, opts ...grpc.CallOption) (*keytransparency_v1_types.UpdateEntryResponse, error)
+	// GetDomainInfo returns all info tied to the specified domain.
+	//
+	// This API to get all necessary data needed to verify a particular
+	// key-server. Data contains for instance the tree-info, like for instance the
+	// log-/map-id and the corresponding public-keys.
+	GetDomainInfo(ctx context.Context, in *keytransparency_v1_types.GetDomainInfoRequest, opts ...grpc.CallOption) (*keytransparency_v1_types.GetDomainInfoResponse, error)
 }
 
 type keyTransparencyServiceClient struct {
@@ -101,6 +107,15 @@ func (c *keyTransparencyServiceClient) UpdateEntry(ctx context.Context, in *keyt
 	return out, nil
 }
 
+func (c *keyTransparencyServiceClient) GetDomainInfo(ctx context.Context, in *keytransparency_v1_types.GetDomainInfoRequest, opts ...grpc.CallOption) (*keytransparency_v1_types.GetDomainInfoResponse, error) {
+	out := new(keytransparency_v1_types.GetDomainInfoResponse)
+	err := grpc.Invoke(ctx, "/keytransparency.v1.service.KeyTransparencyService/GetDomainInfo", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // Server API for KeyTransparencyService service
 
 type KeyTransparencyServiceServer interface {
@@ -118,6 +133,12 @@ type KeyTransparencyServiceServer interface {
 	// Returns the current user profile.
 	// Clients must retry until this function returns a proof containing the desired value.
 	UpdateEntry(context.Context, *keytransparency_v1_types.UpdateEntryRequest) (*keytransparency_v1_types.UpdateEntryResponse, error)
+	// GetDomainInfo returns all info tied to the specified domain.
+	//
+	// This API to get all necessary data needed to verify a particular
+	// key-server. Data contains for instance the tree-info, like for instance the
+	// log-/map-id and the corresponding public-keys.
+	GetDomainInfo(context.Context, *keytransparency_v1_types.GetDomainInfoRequest) (*keytransparency_v1_types.GetDomainInfoResponse, error)
 }
 
 func RegisterKeyTransparencyServiceServer(s *grpc.Server, srv KeyTransparencyServiceServer) {
@@ -178,6 +199,24 @@ func _KeyTransparencyService_UpdateEntry_Handler(srv interface{}, ctx context.Co
 	return interceptor(ctx, in, info, handler)
 }
 
+func _KeyTransparencyService_GetDomainInfo_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(keytransparency_v1_types.GetDomainInfoRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(KeyTransparencyServiceServer).GetDomainInfo(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/keytransparency.v1.service.KeyTransparencyService/GetDomainInfo",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(KeyTransparencyServiceServer).GetDomainInfo(ctx, req.(*keytransparency_v1_types.GetDomainInfoRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _KeyTransparencyService_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "keytransparency.v1.service.KeyTransparencyService",
 	HandlerType: (*KeyTransparencyServiceServer)(nil),
@@ -194,6 +233,10 @@ var _KeyTransparencyService_serviceDesc = grpc.ServiceDesc{
 			MethodName: "UpdateEntry",
 			Handler:    _KeyTransparencyService_UpdateEntry_Handler,
 		},
+		{
+			MethodName: "GetDomainInfo",
+			Handler:    _KeyTransparencyService_GetDomainInfo_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "keytransparency_v1_service.proto",
@@ -202,24 +245,27 @@ var _KeyTransparencyService_serviceDesc = grpc.ServiceDesc{
 func init() { proto.RegisterFile("keytransparency_v1_service.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
-	// 300 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x94, 0x91, 0xbf, 0x4a, 0xc4, 0x40,
-	0x10, 0xc6, 0x39, 0x05, 0x91, 0x68, 0x21, 0x2b, 0x5a, 0xe4, 0x14, 0xc4, 0xab, 0x4e, 0x34, 0x4b,
-	0xce, 0xce, 0x5e, 0x14, 0xb4, 0xf2, 0x4f, 0x1d, 0xf6, 0x92, 0x21, 0xb7, 0xa8, 0xbb, 0xeb, 0xce,
-	0x24, 0xb0, 0x88, 0x16, 0xbe, 0x82, 0xd8, 0xfa, 0x4e, 0xe2, 0x2b, 0xf8, 0x20, 0x72, 0xc9, 0x06,
-	0x8e, 0x90, 0xc0, 0x59, 0xa5, 0x98, 0xdf, 0x7c, 0xdf, 0x2f, 0xb3, 0xc1, 0xc1, 0x03, 0x38, 0xb2,
-	0x42, 0xa1, 0x11, 0x16, 0x54, 0xea, 0x92, 0x32, 0x4e, 0x10, 0x6c, 0x29, 0x53, 0x88, 0x8c, 0xd5,
-	0xa4, 0x59, 0xd8, 0x22, 0xa2, 0x32, 0x8e, 0x3c, 0x11, 0x66, 0xb9, 0xa4, 0x59, 0x31, 0x8d, 0x52,
-	0xfd, 0xc4, 0x73, 0xad, 0xf3, 0x47, 0xe0, 0x2d, 0x9a, 0xa7, 0xda, 0x02, 0xaf, 0x92, 0x78, 0x47,
-	0x15, 0x39, 0x03, 0xd8, 0x3b, 0xa8, 0x0d, 0xc2, 0x3d, 0x1f, 0x2d, 0x8c, 0xe4, 0x42, 0x29, 0x4d,
-	0x82, 0xa4, 0x56, 0x7e, 0x3a, 0xf9, 0x5e, 0x0d, 0x76, 0xaf, 0xc0, 0xdd, 0x2d, 0x04, 0xdc, 0xd6,
-	0x7a, 0xec, 0x2d, 0x58, 0xbf, 0x00, 0x3a, 0x57, 0x64, 0x1d, 0x1b, 0x47, 0x1d, 0xff, 0x51, 0xb7,
-	0x34, 0xcc, 0x0d, 0x3c, 0x17, 0x80, 0x14, 0x1e, 0x2d, 0x83, 0xa2, 0xd1, 0x0a, 0xe1, 0x70, 0xf8,
-	0xfe, 0xf3, 0xfb, 0xb1, 0xb2, 0xc3, 0xb6, 0x79, 0x19, 0xf3, 0x02, 0xc1, 0x22, 0x7f, 0x99, 0x7f,
-	0x12, 0x99, 0xbd, 0xb2, 0xaf, 0x41, 0xb0, 0x75, 0x2d, 0xb1, 0x5e, 0xb9, 0x94, 0x48, 0xda, 0x3a,
-	0x16, 0xf7, 0xa7, 0xb7, 0xd9, 0x46, 0x68, 0xf2, 0x9f, 0x15, 0x2f, 0x36, 0xaa, 0xc4, 0xf6, 0xd9,
-	0xb0, 0x43, 0x8c, 0xcf, 0xbc, 0xcb, 0xe7, 0x20, 0xd8, 0xb8, 0x37, 0x99, 0x20, 0xa8, 0x8f, 0x74,
-	0xdc, 0x5f, 0xb4, 0x80, 0x35, 0x5a, 0x27, 0x4b, 0xd2, 0xde, 0x68, 0x5c, 0x19, 0x8d, 0xc2, 0xae,
-	0x53, 0x9d, 0x6d, 0xc2, 0x9c, 0x4d, 0x8a, 0x6a, 0x6f, 0xba, 0x56, 0x3d, 0xed, 0xe9, 0x5f, 0x00,
-	0x00, 0x00, 0xff, 0xff, 0x47, 0xf4, 0xa4, 0xe3, 0x9e, 0x02, 0x00, 0x00,
+	// 343 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x94, 0x92, 0x4f, 0x4b, 0x33, 0x31,
+	0x10, 0x87, 0xe9, 0xcb, 0x8b, 0xc8, 0xaa, 0xa8, 0x11, 0x15, 0xb6, 0x0a, 0x62, 0x4f, 0x15, 0xdd,
+	0xb0, 0xf5, 0xe6, 0x59, 0xa9, 0xa2, 0x27, 0xff, 0x9c, 0x97, 0x74, 0x77, 0xda, 0x06, 0x6d, 0x66,
+	0x4d, 0xb2, 0x0b, 0x41, 0xf4, 0xe0, 0xcd, 0xb3, 0x78, 0xf5, 0x4b, 0x79, 0xf6, 0xe6, 0x07, 0x91,
+	0x66, 0xb3, 0x58, 0xca, 0x56, 0xd6, 0x53, 0x0e, 0xf3, 0xcc, 0x6f, 0x9e, 0x4c, 0xe2, 0xed, 0xdc,
+	0x82, 0xd1, 0x92, 0x09, 0x95, 0x32, 0x09, 0x22, 0x36, 0x51, 0x1e, 0x46, 0x0a, 0x64, 0xce, 0x63,
+	0x08, 0x52, 0x89, 0x1a, 0x89, 0x3f, 0x45, 0x04, 0x79, 0x18, 0x38, 0xc2, 0x4f, 0x06, 0x5c, 0x0f,
+	0xb3, 0x5e, 0x10, 0xe3, 0x88, 0x0e, 0x10, 0x07, 0x77, 0x40, 0xa7, 0x68, 0x1a, 0xa3, 0x04, 0x6a,
+	0x93, 0x68, 0xc5, 0x28, 0x6d, 0x52, 0x50, 0x33, 0x0b, 0x85, 0x81, 0xbf, 0xe5, 0xa2, 0x59, 0xca,
+	0x29, 0x13, 0x02, 0x35, 0xd3, 0x1c, 0x85, 0xab, 0x76, 0x3e, 0xff, 0x7b, 0x1b, 0xe7, 0x60, 0xae,
+	0x27, 0x02, 0xae, 0x0a, 0x3d, 0xf2, 0xe4, 0xcd, 0x77, 0x41, 0x9f, 0x08, 0x2d, 0x0d, 0x69, 0x07,
+	0x15, 0xf7, 0x28, 0xa6, 0x94, 0xcc, 0x25, 0xdc, 0x67, 0xa0, 0xb4, 0xbf, 0x57, 0x07, 0x55, 0x29,
+	0x0a, 0x05, 0xbb, 0xcd, 0xe7, 0x8f, 0xaf, 0xd7, 0x7f, 0xeb, 0x64, 0x8d, 0xe6, 0x21, 0xcd, 0x14,
+	0x48, 0x45, 0x1f, 0xc6, 0x47, 0xc4, 0x93, 0x47, 0xf2, 0xde, 0xf0, 0x56, 0x2e, 0xb8, 0x2a, 0x5a,
+	0x4e, 0xb9, 0xd2, 0x28, 0x0d, 0x09, 0x67, 0xa7, 0x4f, 0xb3, 0xa5, 0x50, 0xe7, 0x2f, 0x2d, 0x4e,
+	0xac, 0x65, 0xc5, 0xb6, 0x49, 0xb3, 0x42, 0x8c, 0x0e, 0x9d, 0xcb, 0x5b, 0xc3, 0x5b, 0xb8, 0x49,
+	0x13, 0xa6, 0xa1, 0x58, 0xd2, 0xfe, 0xec, 0x41, 0x13, 0x58, 0xa9, 0x75, 0x50, 0x93, 0x76, 0x46,
+	0x6d, 0x6b, 0xd4, 0xf2, 0xab, 0x56, 0x75, 0xb4, 0x08, 0x63, 0x36, 0xca, 0x6c, 0x1f, 0x79, 0x69,
+	0x78, 0x4b, 0x5d, 0xd0, 0xc7, 0x38, 0x62, 0x5c, 0x9c, 0x89, 0x3e, 0x92, 0xe0, 0xd7, 0x37, 0xf9,
+	0x01, 0x4b, 0x37, 0x5a, 0x9b, 0x77, 0x76, 0x9b, 0xd6, 0x6e, 0x95, 0x2c, 0x8f, 0xed, 0x12, 0x5b,
+	0xa7, 0x5c, 0xf4, 0xb1, 0x37, 0x67, 0xbf, 0xd9, 0xe1, 0x77, 0x00, 0x00, 0x00, 0xff, 0xff, 0xa0,
+	0xc2, 0x1d, 0xdb, 0x2a, 0x03, 0x00, 0x00,
 }
diff --git a/impl/proto/keytransparency_v1_service/keytransparency_v1_service.pb.gw.go b/impl/proto/keytransparency_v1_service/keytransparency_v1_service.pb.gw.go
index 6a7ab7eac..8739077e2 100644
--- a/impl/proto/keytransparency_v1_service/keytransparency_v1_service.pb.gw.go
+++ b/impl/proto/keytransparency_v1_service/keytransparency_v1_service.pb.gw.go
@@ -137,6 +137,15 @@ func request_KeyTransparencyService_UpdateEntry_0(ctx context.Context, marshaler
 
 }
 
+func request_KeyTransparencyService_GetDomainInfo_0(ctx context.Context, marshaler runtime.Marshaler, client KeyTransparencyServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq keytransparency_v1_types.GetDomainInfoRequest
+	var metadata runtime.ServerMetadata
+
+	msg, err := client.GetDomainInfo(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
 // RegisterKeyTransparencyServiceHandlerFromEndpoint is same as RegisterKeyTransparencyServiceHandler but
 // automatically dials to "endpoint" and closes the connection when "ctx" gets done.
 func RegisterKeyTransparencyServiceHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) {
@@ -251,6 +260,34 @@ func RegisterKeyTransparencyServiceHandler(ctx context.Context, mux *runtime.Ser
 
 	})
 
+	mux.Handle("GET", pattern_KeyTransparencyService_GetDomainInfo_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(ctx)
+		defer cancel()
+		if cn, ok := w.(http.CloseNotifier); ok {
+			go func(done <-chan struct{}, closed <-chan bool) {
+				select {
+				case <-done:
+				case <-closed:
+					cancel()
+				}
+			}(ctx.Done(), cn.CloseNotify())
+		}
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, req)
+		if err != nil {
+			runtime.HTTPError(ctx, outboundMarshaler, w, req, err)
+		}
+		resp, md, err := request_KeyTransparencyService_GetDomainInfo_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_KeyTransparencyService_GetDomainInfo_0(ctx, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	return nil
 }
 
@@ -260,6 +297,8 @@ var (
 	pattern_KeyTransparencyService_ListEntryHistory_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 1, 0, 4, 1, 5, 2, 2, 3}, []string{"v1", "users", "user_id", "history"}, ""))
 
 	pattern_KeyTransparencyService_UpdateEntry_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 1, 0, 4, 1, 5, 2}, []string{"v1", "users", "user_id"}, ""))
+
+	pattern_KeyTransparencyService_GetDomainInfo_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"v1", "domain", "info"}, ""))
 )
 
 var (
@@ -268,4 +307,6 @@ var (
 	forward_KeyTransparencyService_ListEntryHistory_0 = runtime.ForwardResponseMessage
 
 	forward_KeyTransparencyService_UpdateEntry_0 = runtime.ForwardResponseMessage
+
+	forward_KeyTransparencyService_GetDomainInfo_0 = runtime.ForwardResponseMessage
 )
diff --git a/impl/proto/keytransparency_v1_service/keytransparency_v1_service.proto b/impl/proto/keytransparency_v1_service/keytransparency_v1_service.proto
index 844230e72..dd9a538a4 100644
--- a/impl/proto/keytransparency_v1_service/keytransparency_v1_service.proto
+++ b/impl/proto/keytransparency_v1_service/keytransparency_v1_service.proto
@@ -60,4 +60,13 @@ service KeyTransparencyService {
       body: "entry_update"
     };
   }
+
+  // GetDomainInfo returns all info tied to the specified domain.
+  //
+  // This API to get all necessary data needed to verify a particular
+  // key-server. Data contains for instance the tree-info, like for instance the
+  // log-/map-id and the corresponding public-keys.
+  rpc GetDomainInfo(keytransparency.v1.types.GetDomainInfoRequest) returns (keytransparency.v1.types.GetDomainInfoResponse) {
+    option (google.api.http) = { get: "/v1/domain/info" };
+  }
 }
diff --git a/integration/testutil.go b/integration/testutil.go
index b045c690d..ab7372048 100644
--- a/integration/testutil.go
+++ b/integration/testutil.go
@@ -190,9 +190,10 @@ func NewEnv(t *testing.T) *Env {
 		t.Fatalf("SetLeaves(): %v", err)
 	}
 	tlog := fake.NewFakeTrillianLogClient()
+	tadmin := trillian.NewTrillianAdminClient(nil)
 
-	server := keyserver.New(logID, tlog, mapID, mapsvr, commitments, vrfPriv, mutator,
-		auth, authz, factory, mutations)
+	server := keyserver.New(logID, tlog, mapID, mapsvr, tadmin, commitments,
+		vrfPriv, mutator, auth, authz, factory, mutations)
 	s := grpc.NewServer()
 	pb.RegisterKeyTransparencyServiceServer(s, server)