168.167.253.21


DNS delegation of 168.167.253.21 updated: February 9, 2012 07:51

Delegation

stepqueryauthservers
121.253.167.168.in-addr.arpa..(d,a,c,g,m,e,b,h,i,f,k,l,j).root-servers.net.
221.253.167.168.in-addr.arpa.in-addr.arpa.(d,f,c,b,e,a).in-addr-servers.arpa.
321.253.167.168.in-addr.arpa.168.in-addr.arpa.(w,x,dill,u,v,y,t,z).arin.net.
421.253.167.168.in-addr.arpa.167.168.in-addr.arpa.(vpsm,ns1,ns4).btc.bw.
We pick d.root-servers.net, one of the 13 root servers (1), and ask it about 21.253.167.168.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 168.in-addr.arpa is delegated to eight name servers, including w.arin.net (3), so we ask that one and learn that 167.168.in-addr.arpa is delegated to three name servers (4), so we ask vpsm.btc.bw and get the following answer:

Authoritative answer

ANSWER for 21.253.167.168.in-addr.arpa.
21.253.167.168.in-addr.arpa.144000 PTR vpsm.btc.bw.
AUTHORITATIVE for 21.253.167.168.in-addr.arpa.
253.167.168.in-addr.arpa.144000 NS vpsm.btc.bw.
144000 NS ns1.btc.bw.
144000 NS ns4.btc.bw.
ADDITIONAL for 21.253.167.168.in-addr.arpa.
ns1.btc.bw.86400 A168.167.168.34
ns4.btc.bw.86400 A168.167.253.20
vpsm.btc.bw.86400 A168.167.253.21
21. bw. net. arpa. btc.bw. 253.21. arin.net. z.arin.net. w.arin.net. v.arin.net. y.arin.net. ns4.btc.bw. ns1.btc.bw. 167.253.21. u.arin.net. t.arin.net. x.arin.net. vpsm.btc.bw. in-addr.arpa. dill.arin.net. 168.167.253.21. root-servers.net. 168.in-addr.arpa. a.root-servers.net. h.root-servers.net. g.root-servers.net. m.root-servers.net. j.root-servers.net. d.root-servers.net. i.root-servers.net. l.root-servers.net. k.root-servers.net. f.root-servers.net. c.root-servers.net. b.root-servers.net. e.root-servers.net. in-addr-servers.arpa. 167.168.in-addr.arpa. b.in-addr-servers.arpa. f.in-addr-servers.arpa. e.in-addr-servers.arpa. c.in-addr-servers.arpa. d.in-addr-servers.arpa. a.in-addr-servers.arpa. 253.167.168.in-addr.arpa. 21.253.167.168.in-addr.arpa.
whois btc.bw
whois arin.net
whois in-addr.arpa
whois root-servers.net
whois in-addr-servers.arpa

deep analysis of: 168.167.253.21

RBL listing of 168.167.253.21
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