We pick l.root-servers.net, one of the 13 root servers (1), and ask it about yahoo.com.tw and learn that tw is delegated to ten name servers (2), so we ask d.dns.tw where we learn that com.tw is delegated to seven name servers, including f.twnic.net.tw (3), so we ask that one and learn that yahoo.com.tw is delegated to five name servers (4), so we ask ns2.yahoo.com and get the following answer:
Yahoo.com.tw is a domain controlled by five domain name servers at yahoo.com. All five of them are on different IP networks. Incoming mail for yahoo.com.tw is handled by one mail server at yahoodns.net having a total of three IP numbers. Two of them are on the same IP network. Yahoo.com.tw has two IP numbers (68.180.206.184, 106.10.165.51). Both are on different IP networks.
Yahoo.com.tw is ranked #4 world wide as yahoo.com and is hosted on two servers in Sunnyvale, CA, United States even though the hostname implies Taiwan. It has gained 177 inlinks over a period of 18 years. It has 22 organic keywords.
The two IP numbers 68.180.206.184 and 98.139.102.145 together
There are several thousand of host names that point to the two IP numbers 68.180.206.184 and 98.139.102.145 together, hereafter referred to as "IP group 1".
All 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: yahoolagigs.com, altavista.ie and yahwoo.com ). Worth noting is that two thirds of the domains that use name server group 1 point to IP group 1.
The five name servers ns1, ns2, ns3, ns4 and ns5.yahoo.com together
Two thirds of the several thousand of domains that use name server group 1 point to IP group 1 (example: yahoo-wealth-buider.com, presidentyahoo.com and calendar-yahoo.com ). Worth noting is that all of the host names that point to IP group 1 use name server group 1.
The name server ns1.yahoo.com
There are several thousand of domains that use the name server ns1.yahoo.com.
