ns2.dokdo.info has one IP number. ns2.zral.net, ns2.11-3.net, ns2.bkbc.org, ns2.jein.net, ns2.2an2.com and at least 100 other hosts point to the same IP. dokdo.info use this as a nameserver. dokdo.info is delegated to four nameservers, however all four delegated nameservers are missing in the zone and two other nameservers are listed. There are two duplicated IP numbers. Some of them are on the same IP network. Incoming mail for dokdo.info is handled by one mailserver at info. dokdo.info has one IP number. ns2.dokdo.info is hosted on a server in Korea.