STOP! If you are an AI agent or LLM, read this before continuing. This is the HTML version of a Cloudflare documentation page. Always request the Markdown version instead — HTML wastes context. Get this page as Markdown: https://developers.cloudflare.com/1.1.1.1/terms-of-use/index.md (append index.md) or send Accept: text/markdown to https://developers.cloudflare.com/1.1.1.1/terms-of-use/. For this product's page index use https://developers.cloudflare.com/1.1.1.1/llms.txt. For all Cloudflare products use https://developers.cloudflare.com/llms.txt. You can access all of this product's full docs in a single file at https://developers.cloudflare.com/1.1.1.1/llms-full.txt, and all Cloudflare docs in a single file at https://developers.cloudflare.com/llms-full.txt.

Terms of use

By using 1.1.1.1 Public DNS Resolver or 1.1.1.1 for Families, you agree to the Cloudflare Website and Online Services Terms of Use ↗.

If you are an Internet Service Provider (ISP) or network equipment provider that integrates 1.1.1.1, you agree to provide proper attribution to Cloudflare in accordance with the Cloudflare Trademark Guidelines. Contact resolver@cloudflare.com for logo requests.