ns3.opencad.com has one IP number , via cname to ns3.everydns.net , which also has a corresponding reverse pointer. ns3.230.ro, g.al.web.id, ns.jwdc.org, ns3.chatq.net, f-root.al.web.id and at least four other hosts point to the same IP. opencad.com is a domain controlled by four nameservers at everydns.net. All of them are on different IP networks. Incoming mail for opencad.com is handled by seven mailservers having a total of 13 IP numbers. Two mailservers have the same IP number. Some of them are on the same IP network. opencad.com has one IP number. ns3.opencad.com is hosted on a server in United States.