RHEL AI 1.2 yum/dnf failure due to curl error (6)

Issue

During a yum or dnf transaction, it fails with the following error:

Updating Subscription Management repositories.
Red Hat Enterprise Linux 9 for x86_64 - BaseOS (RPMs)                                                                                                23 MB/s |  35 MB     00:01
Red Hat Enterprise Linux 9 for x86_64 - AppStream (RPMs)                                                                                             30 MB/s |  43 MB     00:01
Red Hat CodeReady Linux Builder for RHEL 9 x86_64 (RPMs)                                                                                            9.6 MB/s | 9.5 MB     00:00
RHEL AI 1.2 RHEL 9 RPMs                                                                                                                             0.0  B/s |   0  B     00:00
Errors during downloading metadata for repository 'rhelai-1.2':
  - Curl error (6): Couldn't resolve host name for https://rhsm-pulp.corp.redhat.com/content/dist/layered/rhel9/x86_64/rhelai/1.2/os/repodata/repomd.xml [Could not resolve host: rhsm-pulp.corp.redhat.com]
Error: Failed to download metadata for repo 'rhelai-1.2': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried