imap.vini.pf has no CNAME records.
Question and response
Question
dig imap.vini.pf. NS
Answer
The response has no answer records.
Authority
vini.pf. 8024 SOA ns1.vini.pf. system.onati.pf. 2026021101 3600 900 1209600 43200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0