ipconfig/displaydns and ipconfig/flushdns can be used to show and clear DNS records obtained by the host. ![]() This is ALL of the DNS information about my host. This part explains how the ipconfig tool can show TCP/IP information for your host. This gives the IP address 98.139.102.145 Through a quick google search I found this website to look up IP addresses: and confirmed that this is a Yahoo! server. So, I’m going to flip them around so it uses the server of yahoo mail to lookup ns.ceu.hu so that I get the server’s IP that way. This only provides the IP of the server used, ns.ceu.hu. However it timed out and all I got was this. In the example in the lab, they typed nslookup server-to-be-lookedup authoritative-server, so I typed nslookup ns.ceu.hu. Run nslookup so that one of the DNS servers obtained in Question 2 is queried for the mail servers for Yahoo! mail. The primary name server is the authoritative DNS server. To determine the authoritative DNS servers, you must use -type=NS like in the second example in the lab. I decided to use the Central European University. Run nslookup to determine the authoritative DNS servers for a university in Europe. The default server is an eastern server.Ģ. This is a non-authoritative answer which the lab explained means the answer came from some other server and not AIT’s server itself. The first request timed out, so I did it again and got the IP address 203.159.12.3 I used google to find a webserver and decided to use the server for AIT Asian Institute of Technology. Run nslookup to obtain the IP address of a Web server in Asia. After explaining nslookup, its syntax and how to understand the result, it asks me to run it and answer a few questions.ġ. The lab then explained the nslookup tool and how it is run in the command prompt. ![]() This lab coincides with section 2.5 of the text.
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