Summary

mail.att.net.mx has one IP number , via cname to cluster.alestra.net.mx , which also has a corresponding reverse pointer. mail.silza.com, pop.alestra.net.mx and smtp.alestra.net.mx point to the same IP. att.net.mx is a domain controlled by three nameservers having a total of four IP numbers. Some of them are on the same IP network. Incoming mail for att.net.mx is handled by four mailservers having a total of 24 IP numbers. Some of them are on the same IP network. att.net.mx has one IP number. mail.att.net.mx is hosted on a server in Mexico.

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