Sectigo
What is the maximum validity (days) for Sectigo?
For Sectigo, maximum validity (days) is 199; still issuing tls certificates is yes, recorded from its source on 2026-08-18; source re-checked 2026-09-29.
To align with evolving industry requirements, Sectigo will begin enforcing a maximum TLS certificate validity of 199 days starting March 12, 2026.
— sectigo.com, retrieved 2026-08-18
- Certificate Authority
- Sectigo verified
- Maximum validity (days)
- 199 verified
- Still issuing TLS certificates
- yes our reading
- Notes
- 199 days is described as 6 months plus extra time to renew. Domain Control Validation reuse is limited to 198 days from the same date. Sectigo acquired Entrust's public certificate business (completed September 18, 2025). our reading
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
Where each value comes from
The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.
Still issuing TLS certificates
Maximum public TLS/SSL certificate validity will go down to 199 days after March 12, 2026.
— all from sectigo.com, retrieved 2026-08-18
Source
- sectigo.comhttps://www.sectigo.com/resource-library/shorter-validity-periods-for-tls-certificates-and-dcv