portsdns.se CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig portsdns.se. NS

Answer

portsdns.se. 5 NS b.portsdns.net. portsdns.se. 5 NS a.portsdns.se.

Authority

The response has no authority records.

Additional

a.portsdns.se. 5 A 45.54.35.101 a.portsdns.se. 5 AAAA 2607:f740:e009:0:0:0:0:1 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0