Summary

mx3.mail.omroep.nl, mx2.mail.omroep.nl, mx0.mail.omroep.nl, mx1.mail.omroep.nl, smtp.mail.omroep.nl and at least twelve other hosts are subdomains to this hostname. omroep.nl is a domain controlled by two nameservers at omroep.nl themselves. They are on the same IP network. Incoming mail for omroep.nl is handled by four mailservers at mail.omroep.nl. All of them are on the same IP network. omroep.nl has one IP number.