bcg3cj.1270502t.atitesting.com has no CNAME records.
Question and response
Question
dig bcg3cj.1270502t.atitesting.com. NS
Answer
The response has no answer records.
Authority
atitesting.com. 1800 SOA cass.ns.cloudflare.com. dns.cloudflare.com. 2398231903 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0