mail.langnesror.no has no CNAME records.
Question and response
Question
dig mail.langnesror.no. NS
Answer
The response has no answer records.
Authority
no. 7200 SOA charm.norid.no. hostmaster.norid.no. 2026022783 7200 1800 2419200 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0