sites.rvu.nl has one IP number , via cname to virt01.mediamatic.nl , which also has a corresponding reverse pointer. wkc.nl, ydi.nl, ccaa.nl, ikrip.nl, reboot.dk and at least 58 other hosts point to the same IP. rvu.nl is a domain controlled by two nameservers at omroep.nl. They are on the same IP network. Incoming mail for rvu.nl is handled by four mailservers at mail.omroep.nl. All of them are on the same IP network. rvu.nl has one IP number. sites.rvu.nl is hosted on a server in Netherlands.