Master DNS configuration with this comprehensive guide covering all record types including A, AAAA, CNAME, TXT, and more.
What You'll Learn
- Understanding different DNS record types
- When to use each record type
- Step-by-step configuration guides
- Best practices and optimization
- Troubleshooting common issues
DNS Record Types Overview
A Records
Maps a domain to IPv4 addresses
- Direct domain to IP mapping
- Multiple A records for load balancing
- Subdomain configuration
AAAA Records
Maps a domain to IPv6 addresses
- IPv6 support
- Dual-stack configurations
- Future-proof setup
CNAME Records
Creates aliases for your domain
- Domain aliasing
- Subdomain management
- Service integration
TXT Records
Stores text-based information
- SPF records
- DKIM verification
- Domain verification
Configuration Guides
A Records Configuration
Basic A Record Setup
- Access your DNS management console
- Create a new A record
- Enter your domain/subdomain
- Enter the IPv4 address
- Set appropriate TTL
- Save the record
AAAA Records Configuration
Basic AAAA Record Setup
- Access your DNS management console
- Create a new AAAA record
- Enter your domain/subdomain
- Enter the IPv6 address
- Set appropriate TTL
- Save the record
CNAME Records Configuration
Basic CNAME Record Setup
- Access your DNS management console
- Create a new CNAME record
- Enter your alias domain/subdomain
- Enter the target canonical name
- Set appropriate TTL
- Save the record
TXT Records Configuration
Basic TXT Record Setup
- Access your DNS management console
- Create a new TXT record
- Enter your domain/subdomain
- Enter the text value
- Set appropriate TTL
- Save the record
Best Practices
General DNS Best Practices
- Use appropriate TTL values
- Implement redundancy where needed
- Regular monitoring and maintenance
- Document all DNS changes
- Regular security audits
Troubleshooting
Propagation Issues
DNS changes can take time to propagate. Wait for the TTL period to expire before assuming there's an issue.
Conflicting Records
Ensure there are no conflicting records for the same domain/subdomain.
Conclusion
Understanding and properly configuring DNS records is crucial for maintaining a healthy online presence. Each record type serves a specific purpose, and knowing when and how to use them will help you manage your domain effectively.