Google Fallback about dns HOT 7 CLOSED

If someone explicitly sets the config, then it shouldn't do the fallback; it should behave exactly as they set the config.

If someone doesn't explicitly set the config, then people just want it to work and so the code should do the best attempt to work.

I don't like sending all DNS queries silently as a fallback to Google.

I trust with my DNS lookups (aka think they are less likely to snoop the data) than I do my ISP, that is far more likely to be in cahoots with GCHQ or other industrial espionage.

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We could also factor it out to a WindowsConfigReader, BindConfigReader and fallback to a EnvConfigReader that reads from a environment variable. This ensures you can always set the DNS nameserver in any application in case your system is weird.

We could also prioritize the environment variable / use it as fallback without the above.

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There's no point in factoring that out...

Also env variables, if we support them, should take priority in any case.

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There's no point in factoring that out...

Accept if you want to fetch the information from another source, but that's not required I guess.

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The man page mentions environment variables for options and local domain, but not for nameservers. http://man7.org/linux/man-pages/man5/resolv.conf.5.html

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Related: https://twitter.com/fudoreaper/status/873926204046405632

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The Google fallback has been removed in the Amp v2 version.

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