protection.office365.us CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig protection.office365.us. NS

Answer

protection.office365.us. 5 NS ns2-35.azuregov-dns.us. protection.office365.us. 5 NS ns4-35.azuregov-dns.us. protection.office365.us. 5 NS ns1-35.azuregov-dns.us. protection.office365.us. 5 NS ns3-35.azuregov-dns.us.

Authority

The response has no authority records.

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0