mta2.imc.as has no CNAME records.
Question and response
Question
dig mta2.imc.as. NS
Answer
The response has no answer records.
Authority
imc.as. 10800 SOA isp.imc.as. post.imcas.no. 2026020501 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0