frodo.ptwebserv.net has one IP number , which also has a corresponding reverse pointer. jme.pt, fpe.pt, iuken.com, dezrc.com, jsqimo.com and at least 78 other hosts point to the same IP. ptwebserv.net is a domain controlled by three nameservers at ptwebserv.net themselves. All of them are on different IP networks. Incoming mail for ptwebserv.net is handled by two mailservers having a total of four IP numbers. All of them are on the same IP network. ptwebserv.net has one IP number. frodo.ptwebserv.net is hosted on a server in Portugal.