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itu.ch
International Telecommunication Union
DNS delegation of itu.ch updated: February 4, 2012 21:39
Delegation
| step | query | auth | servers |
|---|
| 1 | itu.ch. | . | (e,i,g,j,a,l,b,k,c,d,m,f,h).root-servers.net. | | 2 | itu.ch. | ch. | (e,c,h,f,b,a,d).nic.ch. | | 3 | itu.ch. | itu.ch. | ns.isi.edu. ns1.ip-plus.net. ns.itu.ch. |
We pick e.root-servers.net, one of the 13 root servers (1), and ask it about itu.ch and learn that ch is delegated to seven name servers (2), so we ask e.nic.ch where we learn that itu.ch is delegated to three name servers, including ns.isi.edu (3), so we ask that one and get the following answer:
Authoritative answer
ch. net. edu. com. 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. psmtp.com. ns.isi.edu. ip-plus.net. ns1.ip-plus.net. s201a1.psmtp.com. s201b1.psmtp.com. root-servers.net. s201b2.psmtp.com. s201a2.psmtp.com. 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. ch.s201b1.psmtp.com. ch.s201b2.psmtp.com. ch.s201a2.psmtp.com. ch.s201a1.psmtp.com. itu.ch.s201a2.psmtp.com. itu.ch.s201b1.psmtp.com. itu.ch.s201a1.psmtp.com. itu.ch.s201b2.psmtp.com.
whois nic.ch
whois itu.ch
whois isi.edu
whois psmtp.com
whois ip-plus.net
whois root-servers.net
whois itu.ch
domain info api itu.ch
Itu.ch is a domain controlled by three domain name servers at itu.ch, isi.edu and ip-plus.net. All three of them are on different IP networks. The primary name server is ns.itu.ch. Incoming mail for...
RBL listing of itu.ch
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