mailb.hosting.civica.com has no MX records.
Question and response
Question
dig mailb.hosting.civica.com. MX
Answer
The response has no answer records.
Authority
hosting.civica.com. 3600 SOA nsa1.civicahosting.co.uk. hostmaster.hosting.civica.com. 2025110700 7200 600 1814400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0