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ns.itu.ch
DNS delegation of ns.itu.ch updated: February 7, 2012 15:15
Delegation
| step | query | auth | servers |
|---|
| 1 | ns.itu.ch. | . | (c,d,m,l,g,h,f,i,j,a,b,k,e).root-servers.net. | | 2 | ns.itu.ch. | ch. | (h,f,d,b,a,e,c).nic.ch. | | 3 | ns.itu.ch. | itu.ch. | ns1.ip-plus.net. ns.itu.ch. ns.isi.edu. |
We pick c.root-servers.net, one of the 13 root servers (1), and ask it about ns.itu.ch and learn that ch is delegated to seven name servers (2), so we ask h.nic.ch where we learn that itu.ch is delegated to three name servers, including ns1.ip-plus.net (3), so we ask that one and get the following answer:
Authoritative answer
ch. edu. net. itu.ch. nic.ch. isi.edu. d.nic.ch. e.nic.ch. c.nic.ch. h.nic.ch. a.nic.ch. b.nic.ch. f.nic.ch. ns.itu.ch. ns.isi.edu. ip-plus.net. smtp-in.itu.ch. ns1.ip-plus.net. root-servers.net. 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.
whois itu.ch
whois nic.ch
whois isi.edu
whois ip-plus.net
whois root-servers.net
whois itu.ch, itu.ch
domain info api itu.ch
Incoming mail for ns.itu.ch is handled by one mail server at itu.ch having a total of two IP numbers. Both are on the same IP network. ns.itu.ch has one IP number (156.106.192.121), which also has a...
RBL listing of ns.itu.ch
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