Name Resolution Tools

Question 1

what handles all lookups for me for Name Resolution most of the time?

Answer 1

My OS

Question 2

What is the most common command line tool for running DNS lookups?

Answer 2

nslookup

Question 3

Finding what server was used to perform the request and the resolution result

Answer 3

nslookup <host></host>

Question 4

how to find the IP address for twitter.com?

Answer 4

nslookup twitter.com

Question 5

What is the response to nslookup called?

Answer 5

the a record

Question 6

What does an interactive nslookup session let me do?

Answer 6

set additional options and run lots of queries in a row.

Question 7

how do I start an interactive nslookup session?

Answer 7

nslookup, without any host name following.

Question 8

what does interactive mode of nslookup look like?

Answer 8

I’ll get to the next line, and I’ll see an > acting as my prompt. From here, I can make lots of requests in a row and make configurations.

Question 9

In interactive mode, what happens if I type
server <address>

Answer 9

all the following name resolution queries will be attempted to be made using that server instead of the default name server.

Question 10

in interactive mode, what happens if I enter set type equals, followed by a resource record type?

Answer 10

by default, nslookup will return A records, but I can ask for any of these https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/nslookup-set-type

Question 11

I really want to see what’s going on, which will allow the tool to display the full response packets, Including any intermediary requests and all of their contents. Warning; tons of data.

Warning, this is a lot of data and can contain details like the TTL left if it’s a cached response all the way to the serial number of the zone file the request was made against.

Answer 11

set debug