mail1.tdctech.dk has no NS records.
NS records for this zone are defined at tdctech.dk.
NS records for this zone are defined at tdctech.dk.
Question and response
Question
dig mail1.tdctech.dk. NS
Answer
The response has no answer records.
Authority
tdctech.dk. 900 SOA auth01.ns.tele.dk. dns.eng.tdc.net. 2026021201 14400 7200 604800 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0