mail1076.e.greatuniversal.com has no CNAME records.
Question and response
Question
dig mail1076.e.greatuniversal.com. NS
Answer
The response has no answer records.
Authority
greatuniversal.com. 973 SOA ns1.atom.com. hostmaster.greatuniversal.com. 2025061703 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0