f.u-tokyo.ac.jp
DNS delegation of f.u-tokyo.ac.jp updated: May 19, 2013 3:36:03 AM
Delegation
step query auth servers 1 f.u-tokyo.ac.jp. . (i,k,e,a,l,c,f,b,d,j,g,h,m).root-servers.net. 2 f.u-tokyo.ac.jp. jp. (g,a,c,f,e,d,b).dns.jp. 3 f.u-tokyo.ac.jp. u-tokyo.ac.jp. (dns2,dns1,dns3).nc.u-tokyo.ac.jp.
We pick i.root-servers.net , one of the 13 root servers (1), and ask it about f.u-tokyo.ac.jp and learn that jp is delegated to seven name servers (2), so we ask g.dns.jp where we learn that u-tokyo.ac.jp is delegated to three name servers, including dns2.nc.u-tokyo.ac.jp (3), so we ask that one and get the following answer:
Authoritative answer
jp. net. ac.jp. dns.jp. g.dns.jp. a.dns.jp. d.dns.jp. b.dns.jp. c.dns.jp. e.dns.jp. f.dns.jp. u-tokyo.ac.jp. f.u-tokyo.ac.jp. root-servers.net. nc.u-tokyo.ac.jp. 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. ns3.f.u-tokyo.ac.jp. ns.nc.u-tokyo.ac.jp. ns0.f.u-tokyo.ac.jp. mol.f.u-tokyo.ac.jp. ns2.nc.u-tokyo.ac.jp. dns2.nc.u-tokyo.ac.jp. dns1.nc.u-tokyo.ac.jp. dns3.nc.u-tokyo.ac.jp.
whois jp whois net whois ac.jp whois dns.jp whois u-tokyo.ac.jp whois root-servers.net whois u-tokyo.ac.jp , u-tokyo.ac.jp u-tokyo.ac.jp F.u-tokyo.ac.jp is a domain controlled by seven domain name servers at u-tokyo.ac.jp having a total of eleven IP numbers. Some of them are on the same IP network. Incoming mail for f.u-tokyo.ac.jp is handled by one mail server also at u-tokyo.ac.jp .
46.11.133.in-addr.arpa share both name servers and mail servers with this domain. U-tokyo.ac.jp , nc.u-tokyo.ac.jp , 69.130.in-addr.arpa , icrr.u-tokyo.ac.jp , iam.u-tokyo.ac.jp and at least 91 other hosts share name servers with this domain. Itc.u-tokyo.ac.jp , utf.u-tokyo.ac.jp , ccr.u-tokyo.ac.jp , ori.u-tokyo.ac.jp , s.u-tokyo.ac.jp and at least 84 other hosts share name servers under another name with this domain. Ns3.f.u-tokyo.ac.jp , ns0.f.u-tokyo.ac.jp and mol.f.u-tokyo.ac.jp are hosts under this domain. F.org , f.mw , f.pn , f.co , f.gg and at least 67 other hosts are similar domain names.
Also check www.u-tokyo.ac.jp and u-tokyo.ac.jp .
The name server dns3.nc.u-tokyo.ac.jp There are more than hundred domains that use the name server dns3.nc.u-tokyo.ac.jp .
The name server dns2.nc.u-tokyo.ac.jp There are more than hundred domains that use the name server dns2.nc.u-tokyo.ac.jp .
Four of those use the five name servers dns1.nc.u-tokyo.ac.jp , dns2.nc.u-tokyo.ac.jp , dns3.nc.u-tokyo.ac.jp , ns1.s.u-tokyo.ac.jp and ns2.s.u-tokyo.ac.jp together (example: 3.11.133.in-addr.arpa , 2.11.133.in-addr.arpa and 4.11.133.in-addr.arpa ). Four of them use the four name servers penguin.iis.u-tokyo.ac.jp , dns1.nc.u-tokyo.ac.jp , dns2.nc.u-tokyo.ac.jp and dns3.nc.u-tokyo.ac.jp together (example: 150.82.157.in-addr.arpa , 157.82.157.in-addr.arpa and 154.82.157.in-addr.arpa ). Four of them use the four name servers ns.a.u-tokyo.ac.jp , dns1.nc.u-tokyo.ac.jp , dns2.nc.u-tokyo.ac.jp and dns3.nc.u-tokyo.ac.jp together (example: 224.11.133.in-addr.arpa , a.u-tokyo.ac.jp and 43.11.133.in-addr.arpa ). The name server dns1.nc.u-tokyo.ac.jp There are more than hundred domains that use the name server dns1.nc.u-tokyo.ac.jp .
robtex on f.u-tokyo.ac.jp f.u-tokyo.ac.jp mnw
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