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Cloudflare Docs

Overview
Concepts
Zone setups
Full setup

Setup

Partial (CNAME) setup

Setup
Convert to full setup
DNS resolution

DNS Zone transfers

Cloudflare as Primary

Setup

Cloudflare as Secondary

Setup
Proxy traffic
DNSSEC options

Access Control Lists (ACLs)

Cloudflare IP addresses
Create ACL

Troubleshooting

Subdomain setup

Setup
Migrate to new account
Enable DNSSEC

Reference

Domain statuses
Nameserver assignment
Records quick scan

Troubleshooting

Nameservers
Cannot add domain
Domain deleted from Cloudflare
DNS records
How to

Manage DNS records
Import and export records
Create zone apex record
Create subdomain records
Set up email records
Use dynamic IP addresses
Round-robin DNS
Delegating Subdomains

Reference

Proxy status
DNS record types
Time to Live (TTL)
Record attributes
Wildcard DNS records
Vendor-specific DNS records

Troubleshooting

Add records
Exposed IP addresses
DNSSEC
Multi-signer DNSSEC

About
Setup

DNSSEC states
Migration tutorial
Troubleshooting
CNAME flattening
Setup
Example diagram
Additional options
Custom nameservers

Zone level
Account level
Tenant level

Analytics and logs
Reverse zones and PTR records
DNS Firewall
Setup
Analytics
FAQ
Random prefix attack mitigation

About
Setup
Reference
Analytics API properties
Recommended third-party tools
Features and plans
Troubleshooting

Reference — DNS records