Yes, 90ten.co.uk can receive emails.
Yes, 90ten.co.uk seems to be a legitimate domain.
A record
77.68.6.111
MX records
90ten.co.uk.mx4.fusemail.net
192.162.217.4
90ten.co.uk.mx5.fusemail.net
192.162.216.4
90ten.co.uk.mx6.fusemail.net
192.162.217.4