intermittent github ssl error

gistfile1.txt

https://github.com/webpack/react-starter/blob/master/lib/server.js

Unable to communicate securely with peer: requested domain name does not match the server's certificate.

HTTP Strict Transport Security: true
HTTP Public Key Pinning: false

Certificate chain:

-----BEGIN CERTIFICATE-----
MIIEpDCCA4ygAwIBAgICUg0wDQYJKoZIhvcNAQELBQAwRzELMAkGA1UEBhMCVVMx
FjAUBgNVBAoTDUdlb1RydXN0IEluYy4xIDAeBgNVBAMTF1JhcGlkU1NMIFNIQTI1
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BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxV45ribGIVPSmp8pFbGig0iCG3Uo
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BQUHAQEESzBJMB8GCCsGAQUFBzABhhNodHRwOi8vZ3Yuc3ltY2QuY29tMCYGCCsG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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
MIIEJTCCAw2gAwIBAgIDAjp3MA0GCSqGSIb3DQEBCwUAMEIxCzAJBgNVBAYTAlVT
MRYwFAYDVQQKEw1HZW9UcnVzdCBJbmMuMRswGQYDVQQDExJHZW9UcnVzdCBHbG9i
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MEMwQQYKYIZIAYb4RQEHNjAzMDEGCCsGAQUFBwIBFiVodHRwOi8vd3d3Lmdlb3Ry
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gP8L8mJMcCaY
-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
MIIDfTCCAuagAwIBAgIDErvmMA0GCSqGSIb3DQEBBQUAME4xCzAJBgNVBAYTAlVT
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-----END CERTIFICATE-----