us3.hesk.com has no TXT records.
Question and response
Question
dig us3.hesk.com. TXT
Answer
The response has no answer records.
Authority
hesk.com. 180 SOA ns11.constellix.com. dns.constellix.com. 2015012076 43200 3600 1209600 180
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0