RRSIG Planner
Suggest RRSIG validity windows (inception/expiration) based on TTLs and desired overlap, with renewal lead-time guidance for automated DNSSEC signature management.
Current Signature Window
Next Signature Window
Implementation Guidelines
Automation Schedule:
- Monitor renewal times continuously
- Generate new signatures 1d before expiration
- Maintain 1d overlap period
- Account for 1h clock skew tolerance
Best Practices:
- Test signature generation before deployment
- Monitor DNSSEC validation after updates
- Keep backup signatures for rollback
- Log all signature generation events
RRSIG Timing
RRSIG records have inception and expiration timestamps that define when the signature is valid. Proper timing ensures continuous DNSSEC validation during key transitions.
Overlap Strategy
Overlapping signature validity periods prevent validation failures during rollover. New signatures should be generated before old ones expire.
Clock Skew Tolerance
Account for time differences between authoritative servers and validators. Start signatures slightly in the past to accommodate clock skew.
Automation Benefits
Automated RRSIG generation reduces manual errors and ensures consistent timing. Plan renewal schedules based on TTL values and operational requirements.