s4.loopia.se has one IP number , which also has a corresponding reverse pointer. chum.se, ofva.se, gps2.se, ubrf.nu, dynga.se and at least 100 other hosts point to the same IP. xn--utvecklingaffrer-7nb.com use this as a nameserver. loopia.se is a domain controlled by four nameservers at loopia.se themselves. All of them are on the same IP network. Incoming mail for loopia.se is handled by two mailservers also at loopia.se. They are on the same IP network. loopia.se has one IP number. s4.loopia.se is hosted on a server in Sweden.