srv.vert.no has no CNAME records.
Question and response
Question
dig srv.vert.no. NS
Answer
The response has no answer records.
Authority
vert.no. 8580 SOA srv.vert.no. support.blix.com. 2025052002 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0