Understanding NS TTL: What is Time to Live in DNS?
Learn about NS TTL (Time to Live) and its impact on DNS caching and performance in this concise Q&A video.
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NS TTL (Time to Live) is a DNS record setting determining the duration a name server response is cached. Lower TTL values mean quicker updates and less caching, but can increase DNS lookup load. Adjust TTL based on the desired balance between performance and update frequency.**
FAQs & Answers
- What does NS TTL mean? NS TTL stands for Name Server Time to Live, which indicates how long a DNS response is cached.
- How does TTL affect DNS performance? Lower TTL values lead to more frequent updates but can increase DNS lookup loads, impacting performance.
- When should I change my NS TTL settings? Adjust your NS TTL settings based on your need for quick updates versus overall DNS performance.
- What is the recommended TTL value for general use? The recommended TTL value varies, but many suggest starting with 3600 seconds (1 hour) for general use.