can't run correctly beacause of incorrect CA certificates

[truelv]

./speedtest_cli

Retrieving speedtest.net configuration...
curl_easy_perform() failed: Peer certificate cannot be authenticated with given CA certificates
Retrieving speedtest.net server list...
curl_easy_perform() failed: Peer certificate cannot be authenticated with given CA certificates
Testing from ()...
Selecting best server based on ping...
curl_easy_perform() failed: Couldn't resolve host name 0
curl_easy_perform() failed: Couldn't resolve host name 0
curl_easy_perform() failed: Couldn't resolve host name 0
curl_easy_perform() failed: Couldn't resolve host name 0
curl_easy_perform() failed: Couldn't resolve host name 0
Bestest server: (0.00KM)
curl_easy_perform() failed: Couldn't resolve host name 0