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DNS TTL Calculator

Convert TTL seconds to human-readable format. Look up TTL values for all DNS records of any domain.

TTL Converter

Enter seconds or use presets to convert TTL to days/hours/minutes

1 hour
Presets:

Common TTL Values

Seconds Duration Use case
601 minuteDNS migration / temporary
3005 minutesFrequently updated records
90015 minutesDynamic IP / load balancing
36001 hourStandard for most records
144004 hoursStable records (MX, NS)
864001 dayVery stable, rarely changed
6048001 weekNS / SOA serial records

Domain DNS TTL Lookup

Enter a domain to see TTL values for all its DNS records

Frequently Asked Questions

What is TTL?

TTL (Time To Live) is how long a DNS record stays cached. Determines how long resolvers keep the record without re-querying.

What TTL should I set?

300 sec (5 min) for frequently changing records. 3600 (1 hour) for stable ones. 86400 (1 day) for rarely changing MX/NS.