Check if your ISP is intercepting DNS queries

dig +short which.opendns.com txt @208.67.220.220
It's somewhat common ISPs to intercept DNS queries at port 53 and resolve them at their own. To check if your ISP is intercepting your DNS queries just type this command in the terminal. "#.abc" it's an OK answer. But if you get something like "I am not an OpenDNS resolver.", yep, you are beign cheated by your ISP.

18
By: dinorox
2014-02-09 19:24:33

What Others Think

On second thought, if your ISP intercept your queries and forward them to OpenDNS servers, this command will fail to detect it.
dinorox · 245 weeks ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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