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Dev tools · August 12, 2025

DNS Chat

LLM chat that survives bad Wi-Fi! @dnschat

DNS Chat launched on August 12, 2025 with 8 votes, #2,487 of 8,530 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 1 year on.

What it does

First React Native app enabling ChatGPT-like conversations through DNS TXT queries. Cross-platform, open source, and protocol-innovative.

The first mobile app to run ChatGPT-style conversations entirely through DNS TXT queries. No HTTP, no web server — just port 53. Open source, iOS and Android.

DNSChat is the first mobile app to run ChatGPT-style conversations entirely through DNS TXT queries. No HTTP. No web server. Just your question, a resolver, and port 53. > simulation — the real app sends actual TXT queries. Try: dig @ch.at "hi" TXT +short Three hops between your keyboard and the model — every one of them speaks plain DNS. Write naturally in the chat. DNSChat encodes your message into a DNS-compatible label, ready to travel as a query name. Your question leaves through the native iOS/Android resolver as a DNS TXT query to ch.at — no HTTP stack involved at any point. The LLM replies inside TXT records. Multi-part responses are reassembled and streamed into the conversation. A…from conhecendotudo.com.br

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