DNS delegation of music.tucows.com updated: May 25, 2013 1:59:06 PM
Delegation
step
query
auth
servers
1
music.tucows.com.
.
(c,e,a,d,m,l,b,i,g,f,j,h,k).root-servers.net.
2
music.tucows.com.
com.
(h,k,d,g,j,f,b,a,m,c,i,e,l).gtld-servers.net.
3
music.tucows.com.
tucows.com.
(ns1,ns3,ns2).tucows.com.
4
www.tucows.com.
tucows.com.
(ns1,ns3,ns2).tucows.com.
We pick c.root-servers.net, one of the 13 root servers (1), and ask it about music.tucows.com and learn that com is delegated to 13 name servers (2), so we ask h.gtld-servers.net where we learn that tucows.com is delegated to three name servers, including ns1.tucows.com (3), so we ask that one where we see a CNAME from music.tucows.com to www.tucows.com, so we have to start all over again. We already know that ns1.tucows.com is authoritative for tucows.com (4) and ask it about www.tucows.com and get the following answer: