7.150.in-addr.arpa
DNS delegation of 7.150.in-addr.arpa updated: Jun 20, 2013 11:06:38 AM
Delegation
step query auth servers
1 7.150.in-addr.arpa. . (j,b,c,g,k,i,m,a,e,f,d,l,h).root-servers.net. 2 7.150.in-addr.arpa. in-addr.arpa. (d,b,f,c,e,a).in-addr-servers.arpa. 3 7.150.in-addr.arpa. 150.in-addr.arpa. sec1.authdns.ripe.net. tinnie.arin.net. ns1.apnic.net. ns4.apnic.net. ns3.apnic.net. apnic1.dnsnode.net. ns2.lacnic.net. 4 7.150.in-addr.arpa. 7.150.in-addr.arpa. (shonan,kamome).u-tokai.ac.jp.
We pick j.root-servers.net , one of the 13 root servers (1), and ask it about 7.150.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 150.in-addr.arpa is delegated to seven name servers, including sec1.authdns.ripe.net (3), so we ask that one and learn that 7.150.in-addr.arpa is delegated to two name servers (4), so we ask shonan.u-tokai.ac.jp and get the following answer:
Authoritative answer
jp. net. arpa. ac.jp. ripe.net. arin.net. apnic.net. lacnic.net. dnsnode.net. in-addr.arpa. ns4.apnic.net. u-tokai.ac.jp. ns3.apnic.net. ns1.apnic.net. ns2.lacnic.net. tinnie.arin.net. root-servers.net. 150.in-addr.arpa. authdns.ripe.net. m.root-servers.net. a.root-servers.net. j.root-servers.net. 7.150.in-addr.arpa. 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. mugen.u-tokai.ac.jp. shonan.u-tokai.ac.jp. in-addr-servers.arpa. kamome.u-tokai.ac.jp. 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 jp whois net whois arpa whois ac.jp whois arin.net whois ripe.net whois apnic.net whois lacnic.net whois dnsnode.net whois in-addr.arpa whois root-servers.net whois in-addr-servers.arpa
whois in-addr.arpa , in-addr.arpa domain info api in-addr.arpa The name server kamome.u-tokai.ac.jp There are about thirty domains that use the name server kamome.u-tokai.ac.jp .
The name server shonan.u-tokai.ac.jp There are about thirty domains that use the name server shonan.u-tokai.ac.jp .
The name server mugen.u-tokai.ac.jp There are about thirty domains that use the name server mugen.u-tokai.ac.jp .
The two name servers kamome and mugen.u-tokai.ac.jp together All of the one domains that use name server group 3 use only the mail server mail.tokai-u.jp .
The IP number 150.7.12.1 All of the one host names that point to the IP number 150.7.12.1 point only to that ip number (example: mugen.u-tokai.ac.jp ).
The three name servers kamome, mugen and shonan.u-tokai.ac.jp together One of the about twenty domains that use name server group 1 use only the mail server mail.tokai-u.jp .
The three name servers mugen.u-tokai.ac.jp, shonan.u-tokai.ac.jp and nsv.ycc.u-tokai.ac.jp together… All of the one domains that use name server group 4 use only the mail server mail.tokai-u.jp .
The IP number 150.7.1.11 All of the one host names that point to the IP number 150.7.1.11 point only to that ip number (example: kamome.u-tokai.ac.jp ).
robtex on 7.150.in-addr.arpa RBL listing of 7.150.in-addr.arpa mnw
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