Question and response
Question
dig backup-mx.zitcom.dk. NS
Answer
backup-mx.zitcom.dk. 5 CNAME mx.spamfilter.io.
Authority
spamfilter.io. 134 SOA ns1.wannafind.dk. hostmaster.wannafind.dk. 2025112702 14400 3600 1209600 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0