[Gateway] Internal DNS in resolver policies

[maxvp]

PCX-14395

[hyperlint-ai]

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PR Change Summary

Added support for Internal DNS in resolver policies, enhancing DNS management for private networks.

• Introduced Internal DNS feature for managing DNS records on private networks
• Added guidance for resolving internal DNS queries with resolver policies
• Included Local Domain Fallback configuration details for devices

Modified Files

• src/content/docs/cloudflare-one/policies/gateway/resolver-policies.mdx

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[github-actions]

Preview URL: https://b1283230.preview.developers.cloudflare.com
Preview Branch URL: https://max-gw-internal-dns.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/cloudflare-one/policies/gateway/resolver-policies/	https://max-gw-internal-dns.preview.developers.cloudflare.com/cloudflare-one/policies/gateway/resolver-policies/