hphotos-snc3.fbcdn.net
DNS delegation of hphotos-snc3.fbcdn.net updated: May 19, 2013 6:51:24 AM
Delegation
step query auth servers
1 hphotos-snc3.fbcdn.net. . (a,m,g,b,j,l,c,e,f,k,d,i,h).root-servers.net. 2 hphotos-snc3.fbcdn.net. net. (e,i,c,h,b,f,l,m,k,a,j,g,d).gtld-servers.net. 3 hphotos-snc3.fbcdn.net. fbcdn.net. (a,b).ns.facebook.com.
We pick a.root-servers.net , one of the 13 root servers (1), and ask it about hphotos-snc3.fbcdn.net and learn that net is delegated to 13 name servers (2), so we ask e.gtld-servers.net where we learn that fbcdn.net is delegated to two name servers, including a.ns.facebook.com (3), so we ask that one and get the following answer:
Authoritative answer
AUTHORITATIVE for hphotos-snc3.fbcdn.net. fbcdn.net. 900 SOA a.ns.facebook.com. dns.facebook.com. ( 2013051300 7200 1800 604800 900 )
com. net. fbcdn.net. facebook.com. ns.facebook.com. root-servers.net. gtld-servers.net. b.ns.facebook.com. a.ns.facebook.com. a.root-servers.net. f.gtld-servers.net. h.root-servers.net. h.gtld-servers.net. g.root-servers.net. c.gtld-servers.net. m.root-servers.net. g.gtld-servers.net. e.gtld-servers.net. j.root-servers.net. i.gtld-servers.net. m.gtld-servers.net. k.gtld-servers.net. d.root-servers.net. d.gtld-servers.net. i.root-servers.net. l.root-servers.net. k.root-servers.net. b.gtld-servers.net. f.root-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. hphotos-snc3.fbcdn.net.
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