outbound-mta-2.it.sikt.no has no NS records.
NS records for this zone are defined at it.sikt.no.
NS records for this zone are defined at it.sikt.no.
Question and response
Question
dig outbound-mta-2.it.sikt.no. NS
Answer
The response has no answer records.
Authority
it.sikt.no. 900 SOA ns-526.awsdns-01.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0