testes.emarp.pt has no CNAME records.
Question and response
Question
dig testes.emarp.pt. NS
Answer
The response has no answer records.
Authority
emarp.pt. 962 SOA ns1.ciberserver.com. status.ciberconceito.com. 2026021103 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0