mx-eu.mail.am0.yahoodns.net
DNS delegation of mx-eu.mail.am0.yahoodns.net updated: May 19, 2013 11:03:43 PM
Delegation
step query auth servers 1 mx-eu.mail.am0.yahoodns.net. . (e,m,d,j,h,f,k,g,a,i,l,b,c).root-servers.net. 2 mx-eu.mail.am0.yahoodns.net. net. (m,i,c,l,j,b,a,h,e,k,f,g,d).gtld-servers.net. 3 mx-eu.mail.am0.yahoodns.net. yahoodns.net. (ns2,ns5,ns4,ns3,ns1).yahoo.com. 4 mx-eu.mail.am0.yahoodns.net. am0.yahoodns.net. (yf2,yf1).yahoo.com.
We pick e.root-servers.net , one of the 13 root servers (1), and ask it about mx-eu.mail.am0.yahoodns.net and learn that net is delegated to 13 name servers (2), so we ask m.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 yf2.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. mail.am0.yahoodns.net. mx-eu.mail.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 Mx-eu.mail.am0.yahoodns.net has two IP numbers (77.238.177.9 , 188.125.69.79 ). Both are on different IP networks.
Mx1.mail.eu.yahoo.com , mta-v2.mail.vip.ird.yahoo.com and mta-v1.mail.vip.ir2.yahoo.com point to the same IP. Yahoo.fr , yahoo.cz , yahoo.no , yahoo.pt , yahoo.at and at least 22 other hosts use mx-eu.mail.am0.yahoodns.net as a mail server. Yahoo.ee , yahoo.es , yahoo.hu , yahoo.dk , sky.com and at least 17 other hosts use mx-eu.mail.am0.yahoodns.net as a mail server under another name.
Also check www.yahoodns.net and yahoodns.net .
Mx-eu.mail.am0.yahoodns.net is hosted on two servers in United Kingdom.
robtex on mx-eu.mail.am0.yahoodns.net mx-eu.mail.am0.yahoodns.net mnw
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