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Default TTL: 1-4 hours (3,600-14,400 seconds).
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Lower TTL (e.g., 300s) before DNS changes for faster updates.
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Higher TTL reduces server load but slows propagation.
Example: 300 = 5 minutes, 86400 = 24 hours.
Default TTL: 1-4 hours (3,600-14,400 seconds).
Lower TTL (e.g., 300s) before DNS changes for faster updates.
Higher TTL reduces server load but slows propagation.
Example: 300 = 5 minutes, 86400 = 24 hours.