We pick k.root-servers.net, one of the 13 root servers (1), and ask it about afilias-nst.asia and learn that asia is delegated to six name servers (2), so we ask b0.asia.afilias-nst.asia where we learn that afilias-nst.asia is delegated to four name servers, including ns1.mia1.afilias-nst.info (3), so we ask that one and get the following answer:
Afilias-nst.asia is a domain controlled by five domain name servers at afilias-nst.info having a total of nine IP numbers. Two of them are on the same IP network. Incoming mail for afilias-nst.asia is handled by one mail server at .. We are missing the IP:s of one server: ..