librenms.net.deic.dk has no NS records.
NS records for this zone are defined at deic.dk.
NS records for this zone are defined at deic.dk.
Question and response
Question
dig librenms.net.deic.dk. NS
Answer
The response has no answer records.
Authority
deic.dk. 3600 SOA mimer.deic.dk. dns.darenet.dk. 1771868412 16384 2048 2097152 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0