smtp.furrymate.com has no CNAME records.
Question and response
Question
dig smtp.furrymate.com. NS
Answer
The response has no answer records.
Authority
furrymate.com. 3436 SOA ns1.way3.com. dnsadmin.way3.com. 2025091627 3600 1800 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0