www.www.facebook.com
DNS delegation of www.www.facebook.com updated: May 25, 2013 1:37:35 PM
Delegation
step query auth servers 1 www.www.facebook.com. . (e,l,i,j,a,m,g,d,c,b,h,k,f).root-servers.net. 2 www.www.facebook.com. com. (j,a,e,m,b,h,f,i,k,d,g,c,l).gtld-servers.net. 3 www.www.facebook.com. facebook.com. (a,b).ns.facebook.com.
We pick e.root-servers.net , one of the 13 root servers (1), and ask it about www.www.facebook.com and learn that com is delegated to 13 name servers (2), so we ask j.gtld-servers.net where we learn that facebook.com 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 www.www.facebook.com. facebook.com. 120 SOA a.ns.facebook.com. dns.facebook.com. ( 2013052301 7200 1800 604800 120 )
com. net. facebook.com. ns.facebook.com. www.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. www.www.facebook.com.
whois net whois com whois facebook.com whois root-servers.net whois gtld-servers.net whois facebook.com , facebook.com facebook.com robtex on www.www.facebook.com www.www.facebook.com mnw
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