Summary
mx1.123-reg.co.uk has ten IP numbers. All of them are on the same IP network.
mail1.conalcaby.net,
smtp4.seldons.co.uk,
mx4.niceltowers.co.uk,
smtp3.solutionpoint.info,
smtp4.grylls-paige.co.uk and at least one other host cnames to this hostname.
mx0.123-reg.co.uk,
mail.biteit.co.uk,
mail.conalcaby.net,
mail.technolise.com,
mail.davronline.com and at least seven other hosts point to the same IP.
compquo.com use this as a nameserver.
bce.com,
j2u.info,
robx.com,
nsvr.net,
cuhp.org and at least 100 other hosts use this as a mailserver.
123-reg.co.uk is a domain controlled by two nameservers at
webfusion.co.uk. They are on different IP networks. Incoming mail for
123-reg.co.uk is handled by one mailserver at
hosteurope.com.
123-reg.co.uk has one IP number.
mx1.123-reg.co.uk is hosted on ten servers in United Kingdom.