mxprotect1.hosts.co.uk has no CNAME records.
Question and response
Question
dig mxprotect1.hosts.co.uk. NS
Answer
The response has no answer records.
Authority
hosts.co.uk. 10800 SOA ns0.phase8.net. support.phase8.net. 2025022701 28800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0