ns01.pf has no CNAME records.
Question and response
Question
dig ns01.pf. NS
Answer
The response has no answer records.
Authority
pf. 8305 SOA ns1.mana.pf. system.mana.pf. 2026030201 3600 900 1209600 43200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0