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DNS Servers

I love DNS servers. I really do. You ask a question, they give an answer. Here are some of the more popular ones.

LEVEL 3 DNS SERVERS

4.2.2.1
4.2.2.2
4.2.2.3
4.2.2.4
4.2.2.5

 

GOOGLE DNS SERVERS

8.8.8.8
8.8.4.4

 

NETWARE DNS SERVERS

137.65.1.1
137.65.1.2
137.65.1.3

 

COMCAST DNS SERVER

75.75.75.75
75.75.76.76

 

OPENDNS SERVERS

208.67.222.222
208.67.220.220

You can use OPENDNS as a web content filtering tool to automatically block inappropriate content and keep children safe.

 


 

HOW TO ASK QUESTIONS

To ask a question you can use DIG (*nix) or NSLOOKUP (Windows). I prefer DIG and install it on Windows rather easily via GNUWIN.

  • -open shell of some kind (putty, command, power, etc)
  • -type: dig daknetworks.com
  • -type: nslookup daknetworks.com

To ask a question of a specific server:

  • -type: dig daknetworks.com @4.2.2.2
  • -type: nslookup daknetworks.com 4.2.2.2

To ask a specific type of record:

  • -type: dig -t mx daknetworks.com
  • -type: nslookup set type=mx daknetworks.com

To ask for an authoritative record:

  • -type: dig -t ns daknetworks.com
  • -type: nslookup -type=soa daknetworks.com

To ask for all the info:

  • -type: nslookup -debug daknetworks.com 1.2.3.4

Contact Dak Networks

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