Summary
rc.yahoo.com has one IP number , via cname to
rc.fy.b.yahoo.com , but the reverse is
w2.rc.vip.re4.yahoo.com.
www.av.com,
la.yahoo.com,
www.yahoo.ro,
www.yahoo.hk,
www.yahoo.sk and at least 100 other hosts cnames to this hostname.
av.com,
yahoo.pk,
yahoo.sg,
yimg.com,
yahoo.ca and at least 100 other hosts point to the same IP.
au.rc.yahoo.com,
tw.rc.yahoo.com,
nz.rc.yahoo.com,
eur.rc.yahoo.com and
search.rc.yahoo.com are subdomains to this hostname.
yahoo.com is a domain controlled by five nameservers at
yahoo.com themselves. All of them are on different IP networks. Incoming mail for
yahoo.com is handled by six mailservers having a total of ten IP numbers. Some of them are on the same IP network.
yahoo.com has three IP numbers. All of them are on different IP networks.
rc.yahoo.com is hosted on a server in United States.