Whois and reverse dns lookup provided by robtex


DNS delegation of www.mazand.medu.ir updated:


2www.mazand.medu.ir.ir.ir.cctld.authdns.ripe.net. ns5.univie.ac.at. a.nic.ir. b.nic.ir.
We pick k.root-servers.net, one of the 13 root servers (1), and ask it about www.mazand.medu.ir and learn that ir is delegated to four name servers (2), so we ask ir.cctld.authdns.ripe.net where we learn that medu.ir is delegated to two name servers, including ns1.medu.ir (3), so we ask that one where we see a CNAME from www.mazand.medu.ir to mazand.medu.ir, so we have to start all over again. We already know that ns1.medu.ir is authoritative for medu.ir (4) and ask it about mazand.medu.ir and get the following answer:

Authoritative answer

ANSWER for www.mazand.medu.ir.
www.mazand.medu.ir.86400 CNAME mazand.medu.ir.
ANSWER for mazand.medu.ir.
mazand.medu.ir.86400 A217.218.26.200 mazand.medu.ir points to
86400SOAns1.medu.ir. root.medu.ir.mazand.medu.ir. ( 135742 10800 900 604800 86400 )
86400 NS ns1.medu.ir. mazand.medu.ir use ns1.medu.ir as name server.
86400 MX 10 mx1.medu.ir. mazand.medu.ir use mx1.medu.ir as mail server.
ADDITIONAL for mazand.medu.ir.
ns1.medu.ir.10800 A217.218.26.220

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