66.220.151.20


DNS delegation of 66.220.151.20 updated: May 23, 2013 1:09:57 PM

Delegation

stepqueryauthservers
120.151.220.66.in-addr.arpa..(c,m,b,l,k,g,h,f,e,i,j,d,a).root-servers.net.
220.151.220.66.in-addr.arpa.in-addr.arpa.(d,f,b,a,c,e).in-addr-servers.arpa.
320.151.220.66.in-addr.arpa.66.in-addr.arpa.(z,v,x,w,r,u,t,y).arin.net.
420.151.220.66.in-addr.arpa.151.220.66.in-addr.arpa.(b,a).ns.facebook.com.
We pick c.root-servers.net, one of the 13 root servers (1), and ask it about 20.151.220.66.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask d.in-addr-servers.arpa where we learn that 66.in-addr.arpa is delegated to eight name servers, including z.arin.net (3), so we ask that one and learn that 151.220.66.in-addr.arpa is delegated to two name servers (4), so we ask b.ns.facebook.com and get the following answer:

Authoritative answer

ANSWER for 20.151.220.66.in-addr.arpa.
20.151.220.66.in-addr.arpa.7200 PTR ns3.facebook.com.
AUTHORITATIVE for 20.151.220.66.in-addr.arpa.
151.220.66.in-addr.arpa.172800 NS a.ns.facebook.com. 151.220.66.in-addr.arpa use a.ns.facebook.com as name server.
172800 NS b.ns.facebook.com. 151.220.66.in-addr.arpa use b.ns.facebook.com as name server.
ADDITIONAL for 20.151.220.66.in-addr.arpa.
a.ns.facebook.com.172800 A69.171.239.12
b.ns.facebook.com.172800 A69.171.255.12
20. net. com. arpa. 151.20. arin.net. z.arin.net. u.arin.net. w.arin.net. t.arin.net. v.arin.net. y.arin.net. 220.151.20. r.arin.net. x.arin.net. in-addr.arpa. facebook.com. 66.220.151.20. 66.in-addr.arpa. ns.facebook.com. ns3.facebook.com. root-servers.net. a.ns.facebook.com. b.ns.facebook.com. m.root-servers.net. a.root-servers.net. j.root-servers.net. h.root-servers.net. d.root-servers.net. i.root-servers.net. l.root-servers.net. k.root-servers.net. g.root-servers.net. f.root-servers.net. c.root-servers.net. b.root-servers.net. e.root-servers.net. 220.66.in-addr.arpa. in-addr-servers.arpa. b.in-addr-servers.arpa. e.in-addr-servers.arpa. c.in-addr-servers.arpa. d.in-addr-servers.arpa. f.in-addr-servers.arpa. a.in-addr-servers.arpa. 151.220.66.in-addr.arpa. 20.151.220.66.in-addr.arpa.
whois 20
whois net
whois com
whois arpa
whois 151.20
whois arin.net
whois in-addr.arpa
whois facebook.com
whois root-servers.net
whois in-addr-servers.arpa

whois 151.20
deep analysis of: 66.220.151.20, 151.20
domain info api 151.20

RBL listing of 66.220.151.20
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