domainSummarymx.sf2p.tfbnw.net has one IP number , which also has a corresponding reverse pointer. mxrr.tfbnw.net, mx00.sf2p.tfbnw.net and mx-out.facebook.com point to the same IP. facebook.com and publists.facebook.com use this as a mailserver. mx.sf2p.tfbnw.net is hosted on a server in United States.DNS Records
Thumbnails powered by Thumbshots graphdot ip numbers of hostptrs of ip numbersip numbers using ptr to this hosthostnames sharing ip with a-recordsdomains using this as mailserverfacebook.com(primary) domains using this as mailserver under another namefbookpics.com(primary) nameservers missing in zone
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