ns0.facebook.com


DNS delegation of ns0.facebook.com updated: May 20, 2013 12:02:15 PM

Delegation

stepqueryauthservers
1ns0.facebook.com..(k,c,a,e,h,g,b,f,l,d,j,i,m).root-servers.net.
2ns0.facebook.com.com.(m,c,a,i,d,e,l,h,f,j,g,b,k).gtld-servers.net.
3ns0.facebook.com.facebook.com.(b,a).ns.facebook.com.
4ns3.facebook.com.facebook.com.(b,a).ns.facebook.com.
We pick k.root-servers.net, one of the 13 root servers (1), and ask it about ns0.facebook.com and learn that com is delegated to 13 name servers (2), so we ask m.gtld-servers.net where we learn that facebook.com is delegated to two name servers, including b.ns.facebook.com (3), so we ask that one where we see a CNAME from ns0.facebook.com to ns3.facebook.com, so we have to start all over again. We already know that b.ns.facebook.com is authoritative for facebook.com (4) and ask it about ns3.facebook.com and get the following answer:

Authoritative answer

ANSWER for ns0.facebook.com.
ns0.facebook.com.3600 CNAME ns3.facebook.com.
ANSWER for ns3.facebook.com.
ns3.facebook.com.3600 A66.220.151.20 ns3.facebook.com points to 66.220.151.20.
AUTHORITATIVE for ns3.facebook.com.
facebook.com.172800 NS b.ns.facebook.com. facebook.com use b.ns.facebook.com as name server.
172800 NS a.ns.facebook.com. facebook.com use a.ns.facebook.com as name server.
ADDITIONAL for ns3.facebook.com.
a.ns.facebook.com.172800 A69.171.239.12
b.ns.facebook.com.172800 A69.171.255.12
net. com. facebook.com. ns.facebook.com. ns3.facebook.com. root-servers.net. ns0.facebook.com. gtld-servers.net. a.ns.facebook.com. b.ns.facebook.com. m.root-servers.net. a.root-servers.net. g.gtld-servers.net. e.gtld-servers.net. j.root-servers.net. i.gtld-servers.net. f.gtld-servers.net. m.gtld-servers.net. k.gtld-servers.net. h.root-servers.net. d.root-servers.net. d.gtld-servers.net. i.root-servers.net. h.gtld-servers.net. l.root-servers.net. k.root-servers.net. g.root-servers.net. b.gtld-servers.net. f.root-servers.net. c.gtld-servers.net. c.root-servers.net. a.gtld-servers.net. b.root-servers.net. l.gtld-servers.net. j.gtld-servers.net. e.root-servers.net.
whois net
whois com
whois facebook.com
whois root-servers.net
whois gtld-servers.net

whois facebook.com, facebook.com
domain info api facebook.com

Ns0.facebook.com has one IP number (66.220.151.20), via cname to ns3.facebook.com, which also has a corresponding reverse pointer.

Facebook.net, friendfeed-inc.com, frendfeed.com, freindfeed.com, friendfed.com and at least 16 other hosts use ns0.facebook.com as a name server under another name.

Also check www.facebook.com and facebook.com.

Ns0.facebook.com is hosted on a server in Menlo Park, CA, United States.

robtex on ns0.facebook.com
RBL listing of ns0.facebook.com
mnw
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