We pick a.root-servers.net, one of the 13 root servers (1), and ask it about nic.hu and learn that hu is delegated to seven name servers (2), so we ask b.hu where we learn that nic.hu is delegated to two name servers, including ns-s.nic.hu (3), so we ask that one and get the following answer:
Nic.hu is a domain controlled by two domain name servers at nic.hu and iszt.hu. Both are on different IP networks. Incoming mail for nic.hu is handled by one mail server at iszt.hu having a total of two IP numbers. Both are on different IP networks. Nic.hu has one IP number (193.239.149.113), but the reverse is aramis.iszt.hu.
There are eight host names that point to the IP number 193.239.149.113.
All of those point only to that ip number.
Three of them use the name server ns-s.nic.hu. Worth noting is that three of the domains that use the name server ns-s.nic.hu point to the IP number 193.239.149.113.
Three of them use the name server ns.iszt.hu. Worth noting is that three of the domains that use the name server ns.iszt.hu point to the IP number 193.239.149.113.
The name server ns.iszt.hu
There are ten domains that use the name server ns.iszt.hu.
Three of them point to the IP number 193.239.149.113. Worth noting is that three of the host names that point to the IP number 193.239.149.113 use the name server ns.iszt.hu.