smtp1.far.fo has no CNAME records.
Question and response
Question
dig smtp1.far.fo. NS
Answer
The response has no answer records.
Authority
far.fo. 8773 SOA ns1.xn--kisnavn-p1a.fo. root.ns1.olivant.fo. 2025124637 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0