fbcdn.com

• Delegation
• Authoritative answer
• Related hostnames

Delegation

Authoritative answer

ANSWER for fbcdn.com.
fbcdn.com.	900	SOA	a.ns.facebook.com. dns.facebook.com. ( 2013061800 7200 1800 604800 900 )
	172800	NS	a.ns.facebook.com.
	172800	NS	b.ns.facebook.com.
	900	AAAA	2a03:2880:2110:df07:face:b00c:0:1
	900	A	173.252.110.27
ADDITIONAL for fbcdn.com.
a.ns.facebook.com.	172800	A	69.171.239.12
b.ns.facebook.com.	172800	A	69.171.255.12

Related hostnames

Whyfacebook.com, feceboock.com, facebok.com, facebookdownloader.com, facebook.no and at least 16 other hosts point to the same IP and also shares name servers. Facebook.lv, oglint.org, facebook.org, faacebook.com, facebook-domain-names.com and at least 77 other hosts point to the same IP. Friendfeed-api.com, facebookappmail.com, facebook.net, thefacebook.com, facebook-studio.com and at least 72 other hosts share name servers with this domain. Fbcdn.net, fbcdn.in, fbcdn.me, fbcdn.pl, fbcdn.us and at least nine other hosts are similar domain names.

Also check www.fbcdn.com.

Fbcdn.com is ranked #30400002 world wide. It has 26 inlinks.

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: 235.171.69.in-addr.arpa, 229.171.69.in-addr.arpa and 156.220.66.in-addr.arpa ).
• Every fifth of them point only to the IP number 173.252.110.27 (example: facebook.co, facebook.bs and facebook.nl ).
• Six percent of them 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", (example: facebook.mobi, 79.13.31.in-addr.arpa and zuckerberg.com ).
• Six of them point only to the IP number 69.171.233.18 (example: friendfeed-media.com and ffbymail.com ).

The name server a.ns.facebook.com

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

• Most of those use name server group 1 (example: 112.252.173.in-addr.arpa, 70.252.173.in-addr.arpa and 182.63.69.in-addr.arpa ).
• Every fifth of them point only to the IP number 173.252.110.27 (example: oglint.com, facebookembed.com and facebook.be ).
• Six percent of them use name server group 2.
• Six of them point only to the IP number 69.171.233.18.

The IP number 173.252.110.27

There are about ninety host names that point to the IP number 173.252.110.27.

• Most of those point only to that ip number (example: facbook.com, oglint.net and facebook.cl ).
• Most of them use name server group 1 (example: facebook.jp, facebokc.com and facebook.com.mx ).
• Two of them use the two mail servers mxa-00082601 and mxb-00082601.gslb.pphosted.com together, hereafter referred to as "mail server group 1", (example: fb.com ).
• Two of them use name server group 2 (example: fb.me ).

The IP number 173.252.110.27 only

There are about ninety host names that point only to the IP number 173.252.110.27.

• Most of those use name server group 1 (example: facebook-login.com, faceebok.com and facebooklogin.com ). Worth noting is that every fifth of the domains that use name server group 1 point only to the IP number 173.252.110.27.
• Two of them use name server group 2.
• Two of them use mail server group 1.

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

There are more than two hundred domains that use name server group 1.

• Every fifth of those point only to the IP number 173.252.110.27. Worth noting is that half of the host names that point only to the IP number 173.252.110.27 use name server group 1.
• Six of them use mail server group 1.
• Six of them point only to the IP number 69.171.233.18.
• Six of them use only the mail server mx.snc1.tfbnw.net.

The IP number 69.171.255.12

All of the six host names that point to the IP number 69.171.255.12 point only to that ip number (example: ns2.facebook.com, ns7.facebook.com and b.ns.facebook.com ).

The IP number 69.171.239.12

All of the five host names that point to the IP number 69.171.239.12 point only to that ip number (example: a.ns.fbcdn.net, a.ns.facebook.com and ns6.facebook.com ).