_s3.jmk2idd5rs.spf.dmarc.bluebyte.dk has no NS records.
NS records for this zone are defined at dmarc.bluebyte.dk.
NS records for this zone are defined at dmarc.bluebyte.dk.
Question and response
Question
dig _s3.jmk2idd5rs.spf.dmarc.bluebyte.dk. NS
Answer
The response has no answer records.
Authority
dmarc.bluebyte.dk. 900 SOA ns-437.awsdns-54.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0