TTL (Time to Live) is a setting that defines how long DNS records are cached by DNS servers and resolvers. A shorter TTL allows DNS changes to propagate more quickly, which is useful when making frequent updates—but it can increase the number of DNS queries, adding load to your server. A longer TTL reduces server load but can delay the visibility of changes when DNS records are updated.
The standard TTL value is 14400 seconds (4 hours), offering a good balance between performance and flexibility. Choose your TTL based on how often you anticipate making DNS changes.
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