Incomplete DNS CNAME response from the DNS server
Issue
Application unable to access a specific CNAME domain due to incomplete DNS response
$ curl -vv https://site1.example.com
* Couldn't resolve host: site1.example.com
* Closing connection 0
* curl: (6) could not resolve host
84356 Jul 4, 2024 04:42:44.340082000 UTC 0.000000000 10.x.x.x 172.30.x.x 45925,53 64 DNS 77 Standard query 0x78b8 A site1.example.com
84357 Jul 4, 2024 04:42:44.340301000 UTC 0.000219000 172.30.x.x 10.x.x.x 53,45925 64 DNS 175 Standard query response 0x78b8 A site1.example.comn CNAME site2.example.com
<No Address record in the response>
Environment
- Red Hat Enterprise Linux
- Red Hat Openshift Container Platform (RHOCP)
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