mx.bartonhotel-blackpool.com has no TXT records.
Question and response
Question
dig mx.bartonhotel-blackpool.com. TXT
Answer
The response has no answer records.
Authority
bartonhotel-blackpool.com. 3600 SOA dns.bartonhotel-blackpool.com. hostmaster.bartonhotel-blackpool.com. 1213824658 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0