DNS delegation of pphosted.com updated: May 21, 2013 5:03:59 PM
We pick i.root-servers.net, one of the 13 root servers (1), and ask it about pphosted.com and learn that com is delegated to 13 name servers (2), so we ask a.gtld-servers.net where we learn that pphosted.com is delegated to two name servers, including ns3.proofpoint.com (3), so we ask that one and get the following answer:
Pphosted.com is a domain controlled by two domain name servers at proofpoint.com having a total of four IP numbers. All four of them are on different IP networks. Incoming mail for pphosted.com is handled by two mail servers at pphosted.com themselves having a total of three IP numbers. There are three duplicated IP numbers. All three of them are on different IP networks.