isc.org CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig isc.org. NS

Answer

isc.org. 5 NS ns1.isc.org. isc.org. 5 NS nsp.dnsnode.net. isc.org. 5 NS ns3.isc.org. isc.org. 5 NS ns.isc.afilias-nst.info. isc.org. 5 NS ns2.isc.org.

Authority

The response has no authority records.

Additional

ns1.isc.org. 5 A 149.20.2.26 ns2.isc.org. 5 A 199.6.1.52 ns3.isc.org. 5 A 51.75.79.143 ns1.isc.org. 5 AAAA 2001:500:6b:2:0:0:0:26 ns2.isc.org. 5 AAAA 2001:500:60:d:0:0:0:52 ns3.isc.org. 5 AAAA 2001:41d0:701:1100:0:0:0:2c92 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0