optus.net.au CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig optus.net.au. NS

Answer

optus.net.au. 5 NS dns0.optus.net.au. optus.net.au. 5 NS dns1.optus.net.au.

Authority

The response has no authority records.

Additional

dns0.optus.net.au. 5 A 198.142.231.61 dns1.optus.net.au. 5 A 198.142.231.63 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0