dnsserv.uk has no MX records.
Question and response
Question
dig dnsserv.uk. MX
Answer
The response has no answer records.
Authority
dnsserv.uk. 300 SOA ns1.dnsserv.se. registry.dnsserv.se. 2025101609 86400 7200 3600000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0