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DIG and your DNS

dig-dns is a split-DNS resolver: it makes .dig addresses (http://<storeId>.dig/) work, and it does that without touching how anything else on your computer resolves names.

What it touches — and what it doesn't​

  • Claims only .dig. dig-dns answers lookups for the .dig top-level domain and nothing else. Every other domain — .com, .net, your work VPN's internal names, anything — keeps resolving exactly as it did before dig-dns was installed.
  • Never takes over your system DNS. dig-dns doesn't become your machine's default resolver. It wires a narrow, .dig-scoped rule instead — OS split-DNS, or an NRPT rule on Windows — plus a PAC proxy file as a fallback for browsers that bypass the OS resolver (for example, one that forces its own DNS-over-HTTPS). Either path alone is enough for .dig addresses to load.
  • Non-invasive. It never edits /etc/hosts, never rewrites URLs, and never intercepts TLS.

Check the current state any time with:

dig-dns doctor

which reports exactly which .dig resolution path is live and gives a fix hint for anything that isn't.

Its own lookup is encrypted too​

dig-dns makes exactly one outbound name lookup of its own: rpc.dig.net, the public gateway it falls back to only when no local dig-node answers. By default, that one lookup goes out over encrypted DNS (DNS-over-HTTPS / DNS-over-TLS) instead of your network's plain resolver — so even dig-dns's own resolution isn't visible to whoever operates that resolver.

It tries, in order: Mullvad (encrypted), then Quad9 (encrypted) as a fallback. If every encrypted provider is unreachable — some networks block DoH/DoT — dig-dns falls back to your OS's ordinary resolver so rpc.dig.net still resolves and nothing stops working; dig-dns doctor reports this state as degraded, so you know encryption fell back on this network.

Toggle it with an environment variable, default on:

DIG_DNS_SECURE_UPSTREAM=off dig-dns serve   # use the plain OS resolver for this lookup instead

off restores the OS resolver unconditionally for that one lookup; every other behavior — the .dig resolution above, dig.local, localhost — is unchanged either way.