179.151.190.in-addr.arpa CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig 179.151.190.in-addr.arpa. NS

Answer

179.151.190.in-addr.arpa. 5 NS gcasrv.explora.com.sv.

Authority

The response has no authority records.

Additional

gcasrv.explora.com.sv. 5 A 190.151.191.2 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0