teams-3cx.wiretech-inc.com has no MX records.
Question and response
Question
dig wiretechnologies.3cx.us. MX
Answer
The response has no answer records.
Authority
3cx.us. 1800 SOA alina.ns.cloudflare.com. dns.cloudflare.com. 2397376098 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0