---
description: Troubleshoot common Cloudflare DNS issues.
title: Troubleshooting
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.

# Troubleshooting

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

The following topics are useful for troubleshooting DNS issues.

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[**FAQs — DNS Firewall**](https://e8aee267.previews.developers.cloudflare.com/dns/dns-firewall/faq/)

[**Troubleshooting DNSSEC**](https://e8aee267.previews.developers.cloudflare.com/dns/dnssec/troubleshooting/)

[**FAQ**](https://e8aee267.previews.developers.cloudflare.com/dns/faq/)

[**Cannot verify a domain with CNAME**](https://e8aee267.previews.developers.cloudflare.com/dns/manage-dns-records/troubleshooting/cname-domain-verification/)

[**Existing NS records block new record creation**](https://e8aee267.previews.developers.cloudflare.com/dns/manage-dns-records/troubleshooting/existing-ns-record/)

[**Exposed IP addresses**](https://e8aee267.previews.developers.cloudflare.com/dns/manage-dns-records/troubleshooting/exposed-ip-address/)

[**Cannot add DNS records with the same name**](https://e8aee267.previews.developers.cloudflare.com/dns/manage-dns-records/troubleshooting/records-with-same-name/)

[**Stale response for upstream DNS resolution**](https://e8aee267.previews.developers.cloudflare.com/dns/manage-dns-records/troubleshooting/stale-response/)

[**Unexpected DNS records**](https://e8aee267.previews.developers.cloudflare.com/dns/manage-dns-records/troubleshooting/unexpected-dns-records/)

[**Troubleshooting**](https://e8aee267.previews.developers.cloudflare.com/dns/private-origins/troubleshooting/)

[**Enforce DNS-only**](https://e8aee267.previews.developers.cloudflare.com/dns/proxy-status/enforce-dns-only/)

[**Available debug endpoints**](https://e8aee267.previews.developers.cloudflare.com/dns/troubleshooting/dns-debug-endpoints/)

[**General DNS issues**](https://e8aee267.previews.developers.cloudflare.com/dns/troubleshooting/dns-issues/)

[**Fix DNS\_PROBE\_FINISHED\_NXDOMAIN**](https://e8aee267.previews.developers.cloudflare.com/dns/troubleshooting/dns-probe-finished-nxdomain/)

[**Fix DNS\_PROBE\_POSSIBLE error**](https://e8aee267.previews.developers.cloudflare.com/dns/troubleshooting/dns-probe-possible/)

[**Troubleshooting email issues**](https://e8aee267.previews.developers.cloudflare.com/dns/troubleshooting/email-issues/)

[**Troubleshooting primary setup (full)**](https://e8aee267.previews.developers.cloudflare.com/dns/zone-setups/full-setup/troubleshooting/)

[**Cannot add domain to Cloudflare**](https://e8aee267.previews.developers.cloudflare.com/dns/zone-setups/troubleshooting/cannot-add-domain/)

[**Delete all DNS records**](https://e8aee267.previews.developers.cloudflare.com/dns/zone-setups/troubleshooting/delete-all-records/)

[**Domain deleted from Cloudflare**](https://e8aee267.previews.developers.cloudflare.com/dns/zone-setups/troubleshooting/domain-deleted/)

[**Zone stuck in Pending Nameserver Update**](https://e8aee267.previews.developers.cloudflare.com/dns/zone-setups/troubleshooting/pending-nameservers/)

[**Troubleshooting secondary nameservers**](https://e8aee267.previews.developers.cloudflare.com/dns/zone-setups/zone-transfers/troubleshooting/)

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