mail.42n.dk has no NS records.
NS records for this zone are defined at 42n.dk.
NS records for this zone are defined at 42n.dk.
Question and response
Question
dig mail.42n.dk. NS
Answer
The response has no answer records.
Authority
42n.dk. 300 SOA ns0240.secondary.cloudflare.com. hostmaster.norlys.dk. 2026032703 86400 7800 1209600 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0