Question and response
Question
dig _smtp._tls.esbjerg-gods.dk. NS
Answer
_smtp._tls.esbjerg-gods.dk. 5 CNAME esbjerg-gods-dk._smtp.tls-rpt.tech.
Authority
tls-rpt.tech. 879 SOA ns-54.awsdns-06.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0