ns1.stks.ac.id has one IP number , but the reverse is ns1.tahoe.everydns.net. i521.info, tingvn.com, cvclan.org, ns2.230.ro, ns.ljsf.org and at least 60 other hosts point to the same IP. stks.ac.id is delegated to eight nameservers, however four delegated nameservers are missing in the zone. There are four duplicated IP numbers. Some of them are on the same IP network. Incoming mail for stks.ac.id is handled by seven mailservers having a total of 28 IP numbers. Some of them are on the same IP network. stks.ac.id has one IP number. ns1.stks.ac.id is hosted on a server in United States even though the hostname implies Indonesia.