mta7.am0.yahoodns.net
DNS delegation of mta7.am0.yahoodns.net updated: May 24, 2013 3:01:44 AM
Delegation
step query auth servers 1 mta7.am0.yahoodns.net. . (k,c,l,b,e,g,j,f,a,d,m,i,h).root-servers.net. 2 mta7.am0.yahoodns.net. net. (d,a,k,g,e,b,i,c,l,f,m,j,h).gtld-servers.net. 3 mta7.am0.yahoodns.net. yahoodns.net. (ns2,ns5,ns4,ns1,ns3).yahoo.com. 4 mta7.am0.yahoodns.net. am0.yahoodns.net. (yf1,yf2).yahoo.com.
We pick k.root-servers.net , one of the 13 root servers (1), and ask it about mta7.am0.yahoodns.net and learn that net is delegated to 13 name servers (2), so we ask d.gtld-servers.net where we learn that yahoodns.net is delegated to five name servers, including ns2.yahoo.com (3), so we ask that one and learn that am0.yahoodns.net is delegated to two name servers (4), so we ask yf1.yahoo.com and get the following answer:
Authoritative answer
net. com. yahoo.com. yahoodns.net. ns2.yahoo.com. ns5.yahoo.com. ns1.yahoo.com. ns4.yahoo.com. yf1.yahoo.com. ns3.yahoo.com. yf2.yahoo.com. am0.yahoodns.net. root-servers.net. gtld-servers.net. m.root-servers.net. a.root-servers.net. g.gtld-servers.net. e.gtld-servers.net. j.root-servers.net. i.gtld-servers.net. f.gtld-servers.net. m.gtld-servers.net. k.gtld-servers.net. h.root-servers.net. d.root-servers.net. d.gtld-servers.net. i.root-servers.net. h.gtld-servers.net. l.root-servers.net. k.root-servers.net. g.root-servers.net. b.gtld-servers.net. f.root-servers.net. c.gtld-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. mta7.am0.yahoodns.net.
whois net whois com whois yahoo.com whois yahoodns.net whois root-servers.net whois gtld-servers.net whois yahoodns.net , yahoodns.net yahoodns.net Mta7.am0.yahoodns.net has 16 IP numbers (66.196.118.35 , 98.138.112.32 , 66.196.118.240 , 98.138.112.33 , 66.196.118.34 , 98.136.217.202 , 98.138.112.37 , 98.136.216.25 , 98.136.217.203 , 98.138.112.34 , 98.138.112.35 , 66.196.118.36 , 66.196.118.33 , 98.136.216.26 , 66.196.118.37 , 98.138.112.38 ). Some of them are on the same IP network.
Mta1.am0.yahoodns.net , mta5.am0.yahoodns.net , mta4.am0.yahoodns.net , mta2.am0.yahoodns.net , mta6.am0.yahoodns.net and at least 17 other hosts point to the same IP.
Also check www.yahoodns.net and yahoodns.net .
Mta7.am0.yahoodns.net is hosted on 16 servers in Sunnyvale, CA, United States.
The IP number 98.138.112.38 Three of the four host names that point to the IP number 98.138.112.38 point to the 16 IP numbers 66.196.118.33 , 66.196.118.34 , 66.196.118.35 , 66.196.118.36 , 66.196.118.37 , 66.196.118.240 , 98.136.216.25 , 98.136.216.26 , 98.136.217.202 , 98.136.217.203 , 98.138.112.32 , 98.138.112.33 , 98.138.112.34 , 98.138.112.35 , 98.138.112.37 and 98.138.112.38 together.
robtex on mta7.am0.yahoodns.net mta7.am0.yahoodns.net mnw
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Other "mta7" domains: com , 29clearing.com , 8mailer.com , ffivision.com
