The Strategic Role of DNS TTL in Server Migrations
Time To Live (TTL) specifies the duration in seconds that intermediate recursive DNS resolvers cache your domain IP address before requesting an updated record from authoritative nameservers.
DNS & Domains
6 min read
Aug 25, 2026
DNS TTL (Time-To-Live) Strategy: Zero-Downtime Server Migration Best Practices
Z
Published by ZodHost Engineering Team
Executive Summary & Key Takeaways
Step-by-step DNS TTL tuning schedule to migrate live domains and websites between servers without a single second of visitor downtime.
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