sarenet.es CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig sarenet.es. NS

Answer

sarenet.es. 4 NS ns2.sarenet.es. sarenet.es. 4 NS ns1.sarenet.es.

Authority

The response has no authority records.

Additional

ns1.sarenet.es. 4 A 194.30.0.101 ns2.sarenet.es. 4 A 212.81.130.10 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0