Question and response
Question
dig smtp.infracom.nl. NS
Answer
smtp.infracom.nl. 5 CNAME smtp.routit.net.
smtp.routit.net. 5 NS auth02-peer.ib.routit.net.
smtp.routit.net. 5 NS auth01-peer.ib.routit.net.
Authority
The response has no authority records.
Additional
auth01-peer.ib.routit.net. 2 A 213.144.232.181
auth02-peer.ib.routit.net. 2 A 213.144.232.182
auth01-peer.ib.routit.net. 2 AAAA 2a02:22a0:0:0:0:0:0:a1
auth02-peer.ib.routit.net. 2 AAAA 2a02:22a0:ffff:ffff:0:0:0:a1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0