mail1.qnova.se has no CNAME records.
Question and response
Question
dig mail1.qnova.se. NS
Answer
The response has no answer records.
Authority
qnova.se. 10800 SOA ns1.svenskadomaner.se. admin.svenskadomaner.se. 2026021600 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0