bf1.yahoo.com
DNS delegation of bf1.yahoo.com updated: Jun 20, 2013 5:44:49 AM
Delegation
step query auth servers 1 bf1.yahoo.com. . (h,a,f,g,c,e,j,k,b,l,m,i,d).root-servers.net. 2 bf1.yahoo.com. com. (e,c,i,d,k,g,a,b,m,f,h,j,l).gtld-servers.net. 3 bf1.yahoo.com. yahoo.com. (ns2,ns1,ns3,ns4,ns5).yahoo.com.
We pick h.root-servers.net , one of the 13 root servers (1), and ask it about bf1.yahoo.com and learn that com is delegated to 13 name servers (2), so we ask e.gtld-servers.net where we learn that yahoo.com is delegated to five name servers, including ns2.yahoo.com (3), so we ask that one and get the following answer:
Authoritative answer
net. com. yahoo.com. ns2.yahoo.com. ns5.yahoo.com. ns1.yahoo.com. ns4.yahoo.com. ns3.yahoo.com. bf1.yahoo.com. 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.
whois net whois com whois yahoo.com whois root-servers.net whois gtld-servers.net whois yahoo.com , yahoo.com yahoo.com Yahoochem.com , yahoodk.com , pheteyahoo.com , yahooobetting.com , yahoocontentadvisor.com and at least 200 other hosts share name servers with this domain. Yahoh.com , mailyahoologin.com , adultfriendfinderyahoo.com , rocketmail.org , directpayyahoo.com and at least 87 other hosts share name servers under another name with this domain. Bf1.jp , bf1.us , bf1.cn , bf1.com , bf1.pl and at least seven other hosts are similar domain names.
Also check www.yahoo.com and yahoo.com .
The name server ns3.yahoo.com There are several thousand of domains that use the name server ns3.yahoo.com .
Three quarter of those use the five name servers ns1 , ns2 , ns3 , ns4 and ns5.yahoo.com together, hereafter referred to as "name server group 1 ", (example: 244.139.98.in-addr.arpa , yahoohoroscop.com and wwwyahooweather.com ). Three quarter of them use only the mail server . (example: y-telecom.com , wwwwyahoo.com and yahoolivecam.com ). Half of them point to the two IP numbers 68.180.206.184 and 98.139.102.145 together, hereafter referred to as "IP group 1 ", (example: launch3d.net , 1-800myyahoo.net and myyahoowebhosting.com ). Ten percent of them use the four name servers ns1 , ns2 , ns3 and ns5.yahoo.com together (but not ns4.yahoo.com ), hereafter referred to as "name server group 2 ", (example: yahoomessener.com , yhooligan.com and yooholagans.com ). The name server ns4.yahoo.com There are several thousand of domains that use the name server ns4.yahoo.com .
The name server ns1.yahoo.com There are several thousand of domains that use the name server ns1.yahoo.com .
The name server ns2.yahoo.com There are several thousand of domains that use the name server ns2.yahoo.com .
The five name servers ns1, ns2, ns3, ns4 and ns5.yahoo.com together There are several thousand of domains that use name server group 1 .
The name server ns5.yahoo.com There are several thousand of domains that use the name server ns5.yahoo.com .
The four name servers ns1, ns2, ns3 and ns5.yahoo.com together All of the more than a thousands domains that use name server group 2 use only the mail server . (example: yahoopo.com , yaboom.com and alyhoo.com ).
robtex on bf1.yahoo.com bf1.yahoo.com mnw
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Other "bf1" domains: co , biz , cn , com , net , us , pl , jp , de , org , uni-lj.si , com.br , yahoo.com , resnet.iup.edu
