mail.iws.pl has one IP number , via cname to ghs.google.com , but the reverse is vw-in-f121.1e100.net. mecog.de, jswmail.com, asp-pro.com, mail.dmc.tv, mail.tma.org and at least 100 other hosts point to the same IP. iws.pl is a domain controlled by two nameservers at az.pl. They are on the same IP network. Incoming mail for iws.pl is handled by seven mailservers having a total of 28 IP numbers. Some of them are on the same IP network. iws.pl has one IP number. mail.iws.pl is hosted on a server in United States even though the hostname implies Poland.