121.14.9.23


DNS delegation of 121.14.9.23 updated: May 23, 2013 9:24:28 AM

Delegation

stepqueryauthservers
123.9.14.121.in-addr.arpa..(m,c,e,i,f,g,h,k,a,l,b,j,d).root-servers.net.
223.9.14.121.in-addr.arpa.in-addr.arpa.(e,b,f,d,c,a).in-addr-servers.arpa.
323.9.14.121.in-addr.arpa.121.in-addr.arpa.ns1.apnic.net. ns4.apnic.net. apnic1.dnsnode.net. ns2.lacnic.net. tinnie.arin.net. ns3.apnic.net. sec1.authdns.ripe.net.
423.9.14.121.in-addr.arpa.14.121.in-addr.arpa.(dns,ns).guangzhou.gd.cn.
We pick m.root-servers.net, one of the 13 root servers (1), and ask it about 23.9.14.121.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask e.in-addr-servers.arpa where we learn that 121.in-addr.arpa is delegated to seven name servers, including ns1.apnic.net (3), so we ask that one and learn that 14.121.in-addr.arpa is delegated to two name servers (4), so we ask dns.guangzhou.gd.cn and get the following answer:

Authoritative answer

AUTHORITATIVE for 23.9.14.121.in-addr.arpa.
14.121.in-addr.arpa.172800SOAdns.guangzhou.gd.cn. root.dns.guangzhou.gd.cn. ( 2013050316 86400 86400 3628800 172800 )
cn. 23. net. 9.23. arpa. gd.cn. 14.9.23. ripe.net. arin.net. apnic.net. lacnic.net. 121.14.9.23. dnsnode.net. in-addr.arpa. ns4.apnic.net. ns3.apnic.net. ns1.apnic.net. ns2.lacnic.net. guangzhou.gd.cn. tinnie.arin.net. 121.in-addr.arpa. root-servers.net. authdns.ripe.net. m.root-servers.net. a.root-servers.net. ns.guangzhou.gd.cn. j.root-servers.net. apnic1.dnsnode.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. 14.121.in-addr.arpa. dns.guangzhou.gd.cn. in-addr-servers.arpa. sec1.authdns.ripe.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.
whois cn
whois 23
whois net
whois 9.23
whois arpa
whois gd.cn
whois ripe.net
whois arin.net
whois apnic.net
whois lacnic.net
whois dnsnode.net
whois in-addr.arpa
whois guangzhou.gd.cn
whois root-servers.net
whois in-addr-servers.arpa

whois 9.23
deep analysis of: 121.14.9.23, 9.23
domain info api 9.23

RBL listing of 121.14.9.23
mnw
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