It's impossible to spawn cluster with default cr.yaml settings if kubernetes cluster domain is not default
https://forums.percona.com/t/mongodb-error-code-127/24049/13?u=nickolay.ihalainen

{“t”:{“$date”:“2023-08-01T10:55:20.250+00:00”},“s”:“W”, “c”:“NETWORK”, “id”:21207, “ctx”:“conn9”,“msg”:“getaddrinfo() failed”,“attr”:{“host”:“mongodb-percona-cfg-1.mongodb-percona-cfg.psmdb.svc.cluster.local”,“error”:“Name or service not known”}}

Ideal solution could be detect the cluster domain automatically on the operator side