Show HN: Sinkzone DNS forwarder that blocks everything except your allowlist

Most site blockers work by blacklisting distractions. That never worked for me, the internet is too big, and there’s always something new to waste time on.

I wanted the opposite: allowlist‑only browsing. Block everything by default, and explicitly allow only what I need.

So I built Sinkzone: a local DNS forwarder with two modes:

Monitor mode: lets all traffic through, but logs every domain so you can decide what to allow.

Focus mode: only allowlisted domains resolve; everything else

20d | Hacker news

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