teams-3cxlab.wiretech-inc.com has no MX records.
Question and response
Question
dig wtilab3cx.wi.3cx.us. MX
Answer
The response has no answer records.
Authority
wi.3cx.us. 300 SOA ns-cloud-b1.googledomains.com. cloud-dns-hostmaster.google.com. 2 21600 3600 259200 300
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0