mail.talentadvisorgrp.com has no MX records.
Question and response
Question
dig mail.talentadvisorgrp.com. MX
Answer
The response has no answer records.
Authority
talentadvisorgrp.com. 1800 SOA jakub.ns.cloudflare.com. dns.cloudflare.com. 2397277459 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0