---
description: Connect to the Internal DNS Gateway resolver.
title: Connect to Gateway resolver
image: https://developers.cloudflare.com/og-docs.png
---

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> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/dns/llms.txt  
> Use this file to discover all available pages before exploring further.

# Connect to Gateway resolver

Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://e8aee267.previews.developers.cloudflare.com/dns/internal-dns/connectivity/index.md)|[Agent setup](https://e8aee267.previews.developers.cloudflare.com/agent-setup/)

To connect to Cloudflare Gateway resolver - which is [required to reach private resources in Internal DNS](https://e8aee267.previews.developers.cloudflare.com/dns/internal-dns/#architecture-overview) \- you can use the following options:

* DNS endpoints supported with [DNS locations](https://e8aee267.previews.developers.cloudflare.com/cloudflare-one/networks/resolvers-and-proxies/dns/locations/)  
  * DNS over UDP/TCP port 53 (IPv4 or IPv6)
  * DNS over TLS
  * DNS over HTTPS
* [Proxy Auto-Configuration (PAC) files](https://e8aee267.previews.developers.cloudflare.com/cloudflare-one/networks/resolvers-and-proxies/proxy-endpoints/)
* [WARP device client](https://e8aee267.previews.developers.cloudflare.com/cloudflare-one/team-and-resources/devices/cloudflare-one-client/)
* [Clientless browser isolation](https://e8aee267.previews.developers.cloudflare.com/cloudflare-one/remote-browser-isolation/setup/clientless-browser-isolation/#filter-dns-queries)
* [Cloudflare WAN](https://e8aee267.previews.developers.cloudflare.com/cloudflare-wan/zero-trust/cloudflare-gateway/)

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