arius-www.zen.co.uk has one IP number , which also has a corresponding reverse pointer. umc.co.uk, rcchr.com, rasini.com, pullans.com, simoney.net and at least 66 other hosts point to the same IP. zen.co.uk is a domain controlled by two nameservers at zen.co.uk themselves. They are on the same IP network. Incoming mail for zen.co.uk is handled by one mailserver having a total of six IP numbers. All of them are on the same IP network. zen.co.uk has one IP number. arius-www.zen.co.uk is hosted on a server in United Kingdom.