_dnsauth.itfhosting.dk has no NS records.
NS records for this zone are defined at itfhosting.dk.
NS records for this zone are defined at itfhosting.dk.
Question and response
Question
dig 34447c89.autodns.fairssl.dk. NS
Answer
The response has no answer records.
Authority
autodns.fairssl.dk. 900 SOA ns-1671.awsdns-16.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0