correo.guerrero.gob.mx has two IP numbers. They are on different IP networks. This hostname cnames to cfsvap08.guerrero.gob.mx. cfsvap08.guerrero.gob.mx point to the same IP. guerrero.gob.mx is delegated to five nameservers, however one delegated nameserver is missing in the zone. All nameservers are having a total of four IP numbers. There are two duplicated IP numbers. All of them are on the same IP network. Incoming mail for guerrero.gob.mx is handled by one mailserver at guerrero.gob.mx themselves. guerrero.gob.mx has two IP numbers. They are on different IP networks. correo.guerrero.gob.mx is hosted on two servers in Mexico.