ovro.caltech.edu CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig ovro.caltech.edu. NS

Answer

ovro.caltech.edu. 4 NS ovro.ovro.caltech.edu. ovro.caltech.edu. 4 NS mercutio.ni.caltech.edu. ovro.caltech.edu. 4 NS tepid.ni.caltech.edu.

Authority

The response has no authority records.

Additional

ovro.ovro.caltech.edu. 4 A 192.100.16.2 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0