DNS server

[chandana]

Whats the difference between DNS Server and External IP Address? When I dump Ipconfig /all into a .txt file I see that it shows three seperate values for the DNS Server. My question is, since ipconfig /all does not give an external IP address, are they the same? Why are theyre three?
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[DoesItMatter]

Multiple DNS servers is always a good thing

DNS = Domain Name System

DNS is responsible for resolving IP addresses

Example - when you type in - http://www.google.com
your computer looks up the IP address and goes to that IP
It does this all behind the scenes

Multiple DNS means that if for some reason, the first DNS is
down, it will look at the next one to try and resolve the name.

DNS usually are in pairs, but its possible to have a 3 or more as well

External IP address is what the world see's as your IP.

I.E. - internal network may be 192.168.1.x

But, the external IP is the one that is given to you by your ISP

That IP is usually shown in the WAN settings of the router.