mainns.de CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig mainns.de. NS

Answer

mainns.de. 5 NS ns3.mainns.net. mainns.de. 5 NS ns1.mainns.de. mainns.de. 5 NS ns2.mainns.eu.

Authority

The response has no authority records.

Additional

ns1.mainns.de. 5 A 192.174.68.21 ns2.mainns.eu. 5 A 176.97.158.21 ns1.mainns.de. 5 AAAA 2001:67c:1bc:0:0:0:0:21 ns2.mainns.eu. 5 AAAA 2001:67c:10b8:0:0:0:0:21 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0