DNS delegation of sigw.sinet.ad.jp updated: May 26, 2013 12:00:59 AM
Delegation
step
query
auth
servers
1
sigw.sinet.ad.jp.
.
(m,b,a,j,d,k,f,g,l,e,h,i,c).root-servers.net.
2
sigw.sinet.ad.jp.
jp.
(g,c,a,f,d,b,e).dns.jp.
3
sigw.sinet.ad.jp.
sinet.ad.jp.
(dns,jpnac).sinet.ad.jp.
We pick m.root-servers.net, one of the 13 root servers (1), and ask it about sigw.sinet.ad.jp and learn that jp is delegated to seven name servers (2), so we ask g.dns.jp where we learn that sinet.ad.jp is delegated to two name servers, including dns.sinet.ad.jp (3), so we ask that one and get the following answer: