us.s9a2.psmtp.com
DNS delegation of us.s9a2.psmtp.com updated: Jun 19, 2013 1:48:34 PM
Delegation
step query auth servers 1 us.s9a2.psmtp.com. . (m,i,g,c,f,a,k,d,e,h,b,l,j).root-servers.net. 2 us.s9a2.psmtp.com. com. (f,l,c,a,m,g,i,d,j,b,h,e,k).gtld-servers.net. 3 us.s9a2.psmtp.com. psmtp.com. (ns1,ns4,ns2,ns3).google.com.
We pick m.root-servers.net , one of the 13 root servers (1), and ask it about us.s9a2.psmtp.com and learn that com is delegated to 13 name servers (2), so we ask f.gtld-servers.net where we learn that psmtp.com is delegated to four name servers, including ns1.google.com (3), so we ask that one and get the following answer:
Authoritative answer
AUTHORITATIVE for us.s9a2.psmtp.com. psmtp.com. 60 SOA ns1.google.com. postini-hostmaster.google.com. ( 1524055 7200 3600 3600000 600 )
com. net. psmtp.com. google.com. s9a2.psmtp.com. ns3.google.com. ns4.google.com. ns1.google.com. ns2.google.com. root-servers.net. gtld-servers.net. us.s9a2.psmtp.com. a.root-servers.net. f.gtld-servers.net. h.root-servers.net. h.gtld-servers.net. g.root-servers.net. c.gtld-servers.net. m.root-servers.net. g.gtld-servers.net. e.gtld-servers.net. j.root-servers.net. i.gtld-servers.net. m.gtld-servers.net. k.gtld-servers.net. d.root-servers.net. d.gtld-servers.net. i.root-servers.net. l.root-servers.net. k.root-servers.net. b.gtld-servers.net. f.root-servers.net. c.root-servers.net. a.gtld-servers.net. b.root-servers.net. l.gtld-servers.net. j.gtld-servers.net. e.root-servers.net.
whois net whois com whois psmtp.com whois google.com whois root-servers.net whois gtld-servers.net whois psmtp.com , psmtp.com psmtp.com robtex on us.s9a2.psmtp.com us.s9a2.psmtp.com mnw
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