DNS outage impacting builds

[runfoapp]

Runfo Tracking Issue: DNS outage

Definition	Build	Kind	Job Name
aspnetcore-ci	1072106	PR 31497	Test: Templates - Windows Server 2016 x64
aspnetcore-ci	1055529	Rolling	Build: Windows ARM
aspnetcore-ci	1055474	PR 31199	Test: Templates - Windows Server 2016 x64
aspnetcore-ci	1052768	PR 31156	Build: Windows x64/x86
aspnetcore-ci	1052562	PR 31153	Build: Windows ARM64
aspnetcore-ci	1048296	PR 30907	Test: Windows Server 2016 x64
aspnetcore-ci	1048296	PR 30907	Test: Windows Server 2016 x64
aspnetcore-ci	1048096	Rolling	Build: Windows x64/x86
aspnetcore-ci	1047610	PR 30874	Build: Windows x64/x86
aspnetcore-ci	1046361	Rolling	Test: Windows Server 2016 x64
aspnetcore-ci	1045863	PR 31033	Test: Windows Server 2016 x64
aspnetcore-ci	1043504	PR 30999	Tests: Helix x64

Build Result Summary

Day Hit Count	Week Hit Count	Month Hit Count
0	0	11

[Tratcher]

This only seems to count the azdo feed errors, not the java, yarn, etc. failures.

https://dev.azure.com/dnceng/public/_build/results?buildId=1049392&view=logs&j=1b89928a-2219-5ef9-602f-f95beb3da4dc&t=bcce746a-741e-59b7-adec-a4a82d8c5e52&l=604
error An unexpected error occurred: "https://registry.yarnpkg.com/set-value/-/set-value-3.0.2.tgz: getaddrinfo ENOTFOUND registry.yarnpkg.com registry.yarnpkg.com:443". 
https://dev.azure.com/dnceng/public/_build/results?buildId=1050015&view=ms.vss-test-web.build-test-results-tab&runId=32449912&resultId=123814&paneView=dotnet-dnceng.dnceng-build-release-tasks.helix-test-information-tab
EXEC : error : Failed to download webkit
https://dev.azure.com/dnceng/public/_build/results?buildId=1049719&view=ms.vss-test-web.build-test-results-tab&runId=32443034&resultId=123558&paneView=dotnet-dnceng.dnceng-build-release-tasks.helix-test-information-tab
Could not GET 'https://repo.maven.apache.org/maven2/com/google/code/gson/gson/2.8.5/gson-2.8.5.pom'.
https://dev.azure.com/dnceng/public/_build/results?buildId=1049204&view=logs&j=8c9dd6ae-5017-5a70-997c-c2386fed4e85&t=08f03346-66e4-5e90-efbd-e93e009e9dd6&l=1393
error : getaddrinfo ENOTFOUND playwright.azureedge.net

Also this weird one:

https://dev.azure.com/dnceng/public/_build/results?buildId=1048272&view=ms.vss-test-web.build-test-results-tab&runId=32412644&resultId=100349&paneView=debug
      [2021-03-19T21:17:15Z] [Severe] http://127.0.0.1:52737/app/_framework/blazor.webassembly.js 0:40695 Uncaught TypeError: Failed to fetch
      [2021-03-19T21:17:15Z] [Severe] http://127.0.0.1:52737/app/_framework/Microsoft.VisualBasic.Core.dll - Failed to load resource: net::ERR_NETWORK_CHANGED
https://dev.azure.com/dnceng/public/_build/results?buildId=1048330&view=ms.vss-test-web.build-test-results-tab&runId=32412804&resultId=100379&paneView=debug
http://127.0.0.1:53435/_framework/System.Net.WebSockets.dll - Failed to load resource: net::ERR_NETWORK_CHANGED\r\n[2021-03-19T21:23:20Z] [Severe] 

[dougbu]

Core-Eng has closed related issues and we're not seeing recent instances of the problem Closing…