---
title: Troubleshooting
description: Troubleshoot common Cloudflare DNS issues.
image: https://developers.cloudflare.com/core-services-preview.png
---

> 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.

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# Troubleshooting

The following topics are useful for troubleshooting DNS issues.

Filter resources...

[FAQs — DNS Firewall](https://developers.cloudflare.com/dns/dns-firewall/faq/)[Troubleshooting DNSSEC](https://developers.cloudflare.com/dns/dnssec/troubleshooting/)[FAQ](https://developers.cloudflare.com/dns/faq/)[Cannot verify a domain with CNAME](https://developers.cloudflare.com/dns/manage-dns-records/troubleshooting/cname-domain-verification/)[Existing NS records block new record creation](https://developers.cloudflare.com/dns/manage-dns-records/troubleshooting/existing-ns-record/)[Exposed IP addresses](https://developers.cloudflare.com/dns/manage-dns-records/troubleshooting/exposed-ip-address/)[Cannot add DNS records with the same name](https://developers.cloudflare.com/dns/manage-dns-records/troubleshooting/records-with-same-name/)[Stale response for upstream DNS resolution](https://developers.cloudflare.com/dns/manage-dns-records/troubleshooting/stale-response/)[Unexpected DNS records](https://developers.cloudflare.com/dns/manage-dns-records/troubleshooting/unexpected-dns-records/)[Troubleshooting](https://developers.cloudflare.com/dns/private-origins/troubleshooting/)[Enforce DNS-only](https://developers.cloudflare.com/dns/proxy-status/enforce-dns-only/)[Available debug endpoints](https://developers.cloudflare.com/dns/troubleshooting/dns-debug-endpoints/)[General DNS issues](https://developers.cloudflare.com/dns/troubleshooting/dns-issues/)[Fix DNS\_PROBE\_FINISHED\_NXDOMAIN](https://developers.cloudflare.com/dns/troubleshooting/dns-probe-finished-nxdomain/)[Fix DNS\_PROBE\_POSSIBLE error](https://developers.cloudflare.com/dns/troubleshooting/dns-probe-possible/)[Troubleshooting email issues](https://developers.cloudflare.com/dns/troubleshooting/email-issues/)[Troubleshooting primary setup (full)](https://developers.cloudflare.com/dns/zone-setups/full-setup/troubleshooting/)[Cannot add domain to Cloudflare](https://developers.cloudflare.com/dns/zone-setups/troubleshooting/cannot-add-domain/)[Delete all DNS records](https://developers.cloudflare.com/dns/zone-setups/troubleshooting/delete-all-records/)[Domain deleted from Cloudflare](https://developers.cloudflare.com/dns/zone-setups/troubleshooting/domain-deleted/)[Zone stuck in Pending Nameserver Update](https://developers.cloudflare.com/dns/zone-setups/troubleshooting/pending-nameservers/)[Troubleshooting secondary nameservers](https://developers.cloudflare.com/dns/zone-setups/zone-transfers/troubleshooting/)

```json
{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/directory/","name":"Directory"}},{"@type":"ListItem","position":2,"item":{"@id":"/dns/","name":"DNS"}},{"@type":"ListItem","position":3,"item":{"@id":"/dns/troubleshooting/","name":"Troubleshooting"}}]}
```