DNS delegation of br.inter.edu updated: May 21, 2013 8:25:26 PM
We pick h.root-servers.net, one of the 13 root servers (1), and ask it about br.inter.edu and learn that edu is delegated to six name servers (2), so we ask g.edu-servers.net where we learn that inter.edu is delegated to two name servers, including dns.inter.edu (3), so we ask that one and learn that br.inter.edu is delegated to two name servers (4), so we ask dns1.br.inter.edu and get the following answer:
Br.inter.edu is a domain controlled by two domain name servers at inter.edu. Both are on the same IP network. Incoming mail for br.inter.edu is handled by one mail server at microsoft.com having a total of six IP numbers. Two of them are on the same IP network. Br.inter.edu has one IP number (18.104.22.168), which also has a corresponding reverse pointer.