ghtexchange.exchange.gearheart.com has no MX records.
Question and response
Question
dig ghtexchange.exchange.gearheart.com. MX
Answer
The response has no answer records.
Authority
gearheart.com. 3600 SOA ns1.eastky.net. noc.mis.net. 2026030401 3600 600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0