172800 in ns g3nstldcom edu

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Unformatted text preview: delegates a DNS query to a DNS server lower in the hierarchy, by sending back to the DNS client the name of that lower- level DNS ECE374: Homework 2 3 server. First read the man page for dig (e.g., http://linux.die.net/man/1/dig) , and then answer the following questions. a. Starting with a root DNS server (from one of the root servers [a- m].root- servers.net], initiate a sequence of queries for the IP address for your department’s Web server (www.ecs.umass.edu) by using dig. Show the list of the names of DNS servers in the delegation chain in answering your query. b. Repeat part a) for several popular Web sites, such as google.com, yahoo.com, or...
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