ffbymail.com

• Delegation
• Authoritative answer
• Related hostnames

Delegation

Authoritative answer

ANSWER for ffbymail.com.
ffbymail.com.	3600	SOA	a.ns.facebook.com. dns.friendfeed.com. ( 2012100100 14400 1800 604800 3600 )
	172800	NS	a.ns.facebook.com.
	172800	NS	b.ns.facebook.com.
	7200	A	69.171.233.18
	7200	MX	10 mx.ffbymail.com.
	7200	TXT	"v=spf1 a mx include:aspmx.googlemail.com include:facebook.com ?all"
ADDITIONAL for ffbymail.com.
a.ns.facebook.com.	172800	A	69.171.239.12
b.ns.facebook.com.	172800	A	69.171.255.12
mx.ffbymail.com.	7200	A	69.171.233.18

Related hostnames

Ffbymail.com is a domain controlled by two domain name servers at facebook.com. Both are on different IP networks. Incoming mail for ffbymail.com is handled by one mail server at ffbymail.com themselves. Ffbymail.com has one IP number (69.171.233.18), but the reverse is www-02-10-prn1.friendfeed.com.

Ffbymale.com point to the same IP and also shares both name servers and mail servers. Friendfeed-inc.com, friendfeedapi.com, friendfeedmedia.com, frendfeed.com, friendfed.com and at least two other hosts point to the same IP and also shares name servers. Friendfeed.com, friendfeed-media.com, freindfeed.com, ff.im, www.friendfeed-media.com and at least five other hosts point to the same IP. Facebook.jp, facebook.org, facebookmail.com, facebookformobileoperators.com, somethingtoputhere.com and at least 127 other hosts share name servers with this domain. Mx.ffbymail.com and www.ffbymail.com are hosts under this domain.

Also check www.ffbymail.com.

Ffbymail.com is hosted on a server in Palo Alto, CA, United States.

The IP number 69.171.233.18

There are about twenty host names that point to the IP number 69.171.233.18.

• All of those point only to that ip number (example: www.frendfeed.com, www.friendfeed.com and *.friendfeed-media.com ).
• Eleven of them use the name server b.ns.facebook.com. Worth noting is that seven of the domains that use the name server b.ns.facebook.com point to the IP number 69.171.233.18.
• Eleven of them use the name server a.ns.facebook.com. Worth noting is that eleven of the domains that use the name server a.ns.facebook.com point to the IP number 69.171.233.18.

The name server b.ns.facebook.com

There are more than two hundred domains that use the name server b.ns.facebook.com.

• Most of those use the two name servers a and b.ns.facebook.com together, hereafter referred to as "name server group 1", (example: 117.252.173.in-addr.arpa, 89.252.173.in-addr.arpa and 255.171.69.in-addr.arpa ).
• A third of them point to the IP number 173.252.110.27 (example: facepok.com, facebook.com.br and facebook.us ).

The two name servers a and b.ns.facebook.com together

A third of the more than two hundred domains that use name server group 1 point only to the IP number 173.252.110.27 (example: fbcdn.net, facebook.vn and facebook-marketplace.com ).

The IP number 69.171.233.18 only

Seven of the about twenty host names that point only to the IP number 69.171.233.18 use the five name servers ns3.facebook.com, ns4.facebook.com, ns5.facebook.com, a.ns.facebook.com and b.ns.facebook.com together, hereafter referred to as "name server group 2". Worth noting is that seven of the domains that use name server group 2 point only to the IP number 69.171.233.18.

The name server a.ns.facebook.com

Seven percent of the more than two hundred domains that use the name server a.ns.facebook.com point to the IP number 69.171.233.18. Worth noting is that eleven of the host names that point to the IP number 69.171.233.18 use the name server a.ns.facebook.com.