j.u-tokyo.ac.jp
DNS delegation of j.u-tokyo.ac.jp updated: Jun 19, 2013 10:17:11 AM
Delegation
step query auth servers 1 j.u-tokyo.ac.jp. . (f,d,c,g,h,a,e,l,k,b,i,j,m).root-servers.net. 2 j.u-tokyo.ac.jp. jp. (a,c,b,d,g,f,e).dns.jp. 3 j.u-tokyo.ac.jp. u-tokyo.ac.jp. (dns1,dns2,dns3).nc.u-tokyo.ac.jp.
We pick f.root-servers.net , one of the 13 root servers (1), and ask it about j.u-tokyo.ac.jp and learn that jp is delegated to seven name servers (2), so we ask a.dns.jp where we learn that u-tokyo.ac.jp is delegated to three name servers, including dns1.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. j.u-tokyo.ac.jp. root-servers.net. nc.u-tokyo.ac.jp. ecc.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. dns2.nc.u-tokyo.ac.jp. dns1.nc.u-tokyo.ac.jp. dns3.nc.u-tokyo.ac.jp. dns.ecc.u-tokyo.ac.jp. dns101.ecc.u-tokyo.ac.jp. antispam003.nc.u-tokyo.ac.jp. antispam001.nc.u-tokyo.ac.jp. antispam002.nc.u-tokyo.ac.jp.
whois jp whois net whois ac.jp whois dns.jp whois root-servers.net whois ac.jp , ac.jp ac.jp P.u-tokyo.ac.jp , l.u-tokyo.ac.jp , k.u-tokyo.ac.jp , m.u-tokyo.ac.jp , adm.u-tokyo.ac.jp and at least six other hosts share both name servers and mail servers with this domain. Utnet.org , isp.ac , u-tokyo.ac.jp , eri.u-tokyo.ac.jp , lib.u-tokyo.ac.jp and at least 110 other hosts share name servers with this domain. 11.133.in-addr.arpa , iis.u-tokyo.ac.jp , iii.u-tokyo.ac.jp , wow.u-tokyo.ac.jp , 69.130.in-addr.arpa and at least 87 other hosts share name servers under another name with this domain. E.u-tokyo.ac.jp , t.u-tokyo.ac.jp , iam.u-tokyo.ac.jp , itc.u-tokyo.ac.jp , hi.u-tokyo.ac.jp and at least 17 other hosts share mail servers with this domain. Www.j.u-tokyo.ac.jp are hosts under this domain. J.tv , j.mw , j.tl , j.co , j.je and at least 58 other hosts are similar domain names.
Also check www.ac.jp and 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 .
One quarter of those use the three name servers dns1 , dns2 and dns3.nc.u-tokyo.ac.jp together, hereafter referred to as "name server group 1 ", (example: 124.11.133.in-addr.arpa , tscp.u-tokyo.ac.jp and 113.11.133.in-addr.arpa ). Eleven of them use the four name servers dns1.nc.u-tokyo.ac.jp , dns2.nc.u-tokyo.ac.jp , dns3.nc.u-tokyo.ac.jp and ns1.t.u-tokyo.ac.jp together, hereafter referred to as "name server group 2 ", (example: cks.u-tokyo.ac.jp , 134.11.133.in-addr.arpa and 174.11.133.in-addr.arpa ). Nine of them use only the mail server smtp-d.ecc.u-tokyo.ac.jp (example: ims.u-tokyo.ac.jp , um.u-tokyo.ac.jp and lsn.u-tokyo.ac.jp ). Nine of them use only the mail server smtp.ecc.u-tokyo.ac.jp (example: mist.i.u-tokyo.ac.jp , k2.t.u-tokyo.ac.jp and kj.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 .
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 .
The name server dns.ecc.u-tokyo.ac.jp There are twelve domains that use the name server dns.ecc.u-tokyo.ac.jp .
robtex on j.u-tokyo.ac.jp j.u-tokyo.ac.jp mnw
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