ns2.webb.se has one IP number , but the reverse is ns2.nameisp.info. ns2.nameisp.info point to the same IP. 20.se, ip.nu, foo.se, inc.se, data.se and at least 48 other hosts use this as a nameserver. webb.se is a domain controlled by two nameservers at webb.se themselves. They are on the same IP network. Incoming mail for webb.se is handled by seven mailservers having a total of 28 IP numbers. Some of them are on the same IP network. webb.se has one IP number. ns2.webb.se is hosted on a server in Sweden.