mail.agsird.edu has one IP number , via cname to ns0.ovh.net , which also has a corresponding reverse pointer. mail.itg.gp, pop3.nyu.ch, smtp.nyu.ch, mail.upg.ch, mail.nyu.ch and at least 100 other hosts point to the same IP. agsird.edu is a domain controlled by two nameservers at ovh.net. They are on the same IP network. Incoming mail for agsird.edu is handled by three mailservers having a total of twelve IP numbers. All of them are on the same IP network. agsird.edu has one IP number. mail.agsird.edu is hosted on a server in France.