216.239.36.21


DNS delegation of 216.239.36.21 updated: May 19, 2013 8:17:43 PM

Delegation

stepqueryauthservers
121.36.239.216.in-addr.arpa..(f,c,i,h,g,m,j,d,b,e,a,k,l).root-servers.net.
221.36.239.216.in-addr.arpa.in-addr.arpa.(d,a,b,f,e,c).in-addr-servers.arpa.
321.36.239.216.in-addr.arpa.216.in-addr.arpa.(w,v,u,z,x,t,r,y).arin.net.
421.36.239.216.in-addr.arpa.36.239.216.in-addr.arpa.(ns2,ns3,ns1,ns4).google.com.
We pick f.root-servers.net, one of the 13 root servers (1), and ask it about 21.36.239.216.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 216.in-addr.arpa is delegated to eight name servers, including w.arin.net (3), so we ask that one and learn that 36.239.216.in-addr.arpa is delegated to four name servers (4), so we ask ns2.google.com and get the following answer:

Authoritative answer

ANSWER for 21.36.239.216.in-addr.arpa.
21.36.239.216.in-addr.arpa.86400 PTR any-in-2415.1e100.net.
21. net. com. arpa. 36.21. arin.net. 239.36.21. 1e100.net. z.arin.net. u.arin.net. w.arin.net. t.arin.net. google.com. v.arin.net. y.arin.net. r.arin.net. x.arin.net. in-addr.arpa. 216.239.36.21. ns3.google.com. ns4.google.com. ns1.google.com. ns2.google.com. 216.in-addr.arpa. root-servers.net. 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. 239.216.in-addr.arpa. in-addr-servers.arpa. any-in-2415.1e100.net. 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. 36.239.216.in-addr.arpa. 21.36.239.216.in-addr.arpa.
whois 21
whois net
whois com
whois arpa
whois 36.21
whois arin.net
whois 1e100.net
whois google.com
whois in-addr.arpa
whois root-servers.net
whois in-addr-servers.arpa

whois 36.21
deep analysis of: 216.239.36.21, 36.21
domain info api 36.21

RBL listing of 216.239.36.21
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