Ttl 3600 - [new]

❌ Always reduce TTL to 300 seconds 24–48 hours before changing IPs.

❌ If IP changes frequently, use 300–600. 7. Quick Cheat Sheet | Desired Cache Duration | TTL Value | |------------------------|------------| | 5 minutes | 300 | | 15 minutes | 900 | | 30 minutes | 1800 | | 1 hour | 3600 | | 6 hours | 21600 | | 12 hours | 43200 | | 24 hours | 86400 | 8. Final Recommendation Use ttl 3600 for stable production DNS records where you expect no IP changes within an hour, but still want reasonable failover time. For mission-critical or rapidly changing services, use 300–600. For static infrastructure (e.g., office VPN, corporate mail), 86400+ is fine. ttl 3600

1. What Does ttl 3600 Mean? TTL = Time To Live (in seconds) 3600 = 1 hour (60 seconds × 60 minutes) ❌ Always reduce TTL to 300 seconds 24–48