mx2.goldenwest.com has no CNAME records.
Question and response
Question
dig mx2.goldenwest.com. NS
Answer
The response has no answer records.
Authority
goldenwest.com. 60 SOA ns1.ispservices.us. hostmaster.ispservices.us. 2026020601 3600 3600 1209600 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0