ns2.centos-fr.org has one IP number , via cname to ns40.domaincontrol.com , which also has a corresponding reverse pointer. onfps.net, onfps.org and ip-208-109-255-20.ip.secureserver.net point to the same IP. centos-fr.org use this as a nameserver. centos-fr.org is delegated to two nameservers, however two extra nameservers are listed in the zone. There are two duplicated IP numbers. Some of them are on the same IP network. Incoming mail for centos-fr.org is handled by five mailservers having a total of twelve IP numbers. Some of them are on the same IP network. centos-fr.org has one IP number. ns2.centos-fr.org is hosted on a server in United States.