66.220.145.65


DNS delegation of 66.220.145.65 updated: Jun 18, 2013 8:50:42 PM

Delegation

stepqueryauthservers
165.145.220.66.in-addr.arpa..(f,m,d,a,j,b,i,l,g,c,h,e,k).root-servers.net.
265.145.220.66.in-addr.arpa.in-addr.arpa.(c,b,f,e,a,d).in-addr-servers.arpa.
365.145.220.66.in-addr.arpa.66.in-addr.arpa.(w,z,u,x,v,y,r,t).arin.net.
465.145.220.66.in-addr.arpa.145.220.66.in-addr.arpa.(a,b).ns.facebook.com.
We pick f.root-servers.net, one of the 13 root servers (1), and ask it about 65.145.220.66.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask c.in-addr-servers.arpa where we learn that 66.in-addr.arpa is delegated to eight name servers, including w.arin.net (3), so we ask that one and learn that 145.220.66.in-addr.arpa is delegated to two name servers (4), so we ask a.ns.facebook.com and get the following answer:

Authoritative answer

ANSWER for 65.145.220.66.in-addr.arpa.
65.145.220.66.in-addr.arpa.7200 PTR ns5.facebook.com.
AUTHORITATIVE for 65.145.220.66.in-addr.arpa.
145.220.66.in-addr.arpa.172800 NS ns4.facebook.com. 145.220.66.in-addr.arpa use ns4.facebook.com as name server.
172800 NS ns5.facebook.com. 145.220.66.in-addr.arpa use ns5.facebook.com as name server.
172800 NS a.ns.facebook.com. 145.220.66.in-addr.arpa use a.ns.facebook.com as name server.
172800 NS b.ns.facebook.com. 145.220.66.in-addr.arpa use b.ns.facebook.com as name server.
172800 NS ns3.facebook.com. 145.220.66.in-addr.arpa use ns3.facebook.com as name server.
ADDITIONAL for 65.145.220.66.in-addr.arpa.
a.ns.facebook.com.172800 A69.171.239.12
b.ns.facebook.com.172800 A69.171.255.12
ns3.facebook.com.3600 A66.220.151.20
ns4.facebook.com.3600 A69.171.245.32
ns5.facebook.com.3600 A66.220.145.65
65. net. com. arpa. 145.65. arin.net. z.arin.net. u.arin.net. w.arin.net. t.arin.net. 220.145.65. v.arin.net. y.arin.net. r.arin.net. x.arin.net. in-addr.arpa. facebook.com. 66.220.145.65. 66.in-addr.arpa. ns.facebook.com. ns3.facebook.com. ns5.facebook.com. ns4.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. 145.220.66.in-addr.arpa. 65.145.220.66.in-addr.arpa.
whois 65
whois net
whois com
whois arpa
whois 145.65
whois arin.net
whois in-addr.arpa
whois facebook.com
whois root-servers.net
whois in-addr-servers.arpa

whois 145.65
deep analysis of: 66.220.145.65, 145.65
domain info api 145.65

RBL listing of 66.220.145.65
mnw
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