DNS fails only when resolving images on AWS

Solution Unverified - Updated -

Issue

  • oc new-app fails
  • oc build fails
  • Error like this appears "Failed to pull image "nexus.example.com:6001/xyz-image-details:0.0.12": rpc error: code = Unknown desc = error pinging docker registry nexus.example.com:6001: Get https://nexus.example.com:6001/v2/: dial tcp: lookup nexus.example.com:6001 on 10.12.13.2:53: no such host

Environment

  • Red Hat OpenShift Dedicated (OSD)
  • Red Hat Integration (RHMI)
  • Red Hat OpenShift Container Platform (OCP)
  • Amazon Web Services (AWS)
  • Configured DNS (Domain Name Service) operator or CoreDNS
  • Creating new a pod or build from an image in an external repository

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