pbx.usapathway.com has no MX records.
Question and response
Question
dig portal.gigtel.com. MX
Answer
The response has no answer records.
Authority
portal.gigtel.com. 3600 SOA pns101.cloudns.net. support.cloudns.net. 2026022402 7200 1800 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0