If that is your actual domain, you kinda left quite a few records out…
pollux:~$ host xsxtc.uk
xsxtc.uk has address 77.68.100.23
xsxtc.uk mail is handled by 10 mx00.ionos.co.uk.
xsxtc.uk mail is handled by 10 mx01.ionos.co.uk.
pollux:~$ host www.xsxtc.uk
www.xsxtc.uk has address 77.68.100.23
pollux:~$ host mail.xsxtc.uk
Host mail.xsxtc.uk not found: 3(NXDOMAIN)
pollux:~$ host admin.xsxtc.uk
Host admin.xsxtc.uk not found: 3(NXDOMAIN)
pollux:~$ host webmail.xsxtc.uk
Host webmail.xsxtc.uk not found: 3(NXDOMAIN)