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DNS Caching Tester

Analyze DNS caching behavior across multiple resolvers. Check TTL values, cache consistency, and identify caching issues.

About DNS Caching

DNS caching stores DNS query results temporarily to reduce lookup times and decrease load on DNS servers. Proper caching configuration is essential for optimal website performance and user experience.

Why Test Caching?

• Identify TTL inconsistencies
• Detect cache poisoning risks
• Optimize DNS performance
• Ensure cache coherence

Best Practices

• Use appropriate TTL values
• Monitor cache hit rates
• Implement cache warming
• Regular cache audits