DNS delegation of p10gvh4.ir updated: May 23, 2013 5:57:40 PM
ns5.univie.ac.at. a.nic.ir. ns.irnic.ir.
We pick g.root-servers.net, one of the 13 root servers (1), and ask it about p10gvh4.ir and learn that ir is delegated to three name servers (2), so we ask ns5.univie.ac.at and get the following answer: