Tips
What is a CNAME Record?
A CNAME (Canonical Name) record is a type of DNS record that allows you to alias one domain to another. It's especially useful when multiple domains need to point to the same service.
CNAME Applications
1. CDN service configuration
2. Multiple domains pointing to one service
3. Domain service migration
How to Use the CNAME Lookup Tool?
1. Enter domain to lookup
2. Select CNAME type
3. Get results showing:
- Target domain (CNAME points to)
- Final resolved IP address
- TTL value
- Response time
CNAME Usage Tips
1. Avoid long CNAME chains
2. Note MX and CNAME conflicts
3. Set appropriate TTL values
Common Troubleshooting
1. CDN configuration validation
2. Resolution chain analysis
3. Domain pointing verification