OpenDNS Troubleshooting

less than 1 minute read

Description:

So every now and then, I will notice that our OpenDNS service will not be blocking queries. I usually perform the following steps to resolve.

To Resolve:

  1. Login to each DNS server and “Clear DNS Cache”, then wait 5 minutes.

  2. Pull up a command prompt and type:

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    ping 208.67.222.222
    nslookup whoami.akamai.net.
    netsh interface ip show dns
    nslookup -type=txt debug.opendns.com
    
  3. Go to OpenDNS

  4. Go to the test blocked site

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