www.y7mail.com has one IP number , via cname to rc.yahoo.com , but the reverse is w2.rc.vip.re4.yahoo.com. av.com, yehoo.nl, yahoo.pk, yahoo.sg, yimg.com and at least 100 other hosts point to the same IP. y7mail.com is a domain controlled by five nameservers at yahoo.com. All of them are on different IP networks. Incoming mail for y7mail.com is handled by six mailservers having a total of eight IP numbers. Some of them are on the same IP network. y7mail.com has two IP numbers. They are on different IP networks. www.y7mail.com is hosted on a server in United States. Vendor reliability and privacy of this site is unsatisfactory. (more on reputation).