DigiCert
For DigiCert, maximum validity (days) is 199; effective date of current limit is 2026-02-24; next reduction limit (days) is 99; still issuing tls certificates is yes; notes is DigiCert's maxima are one day shorter than the CA/Browser Forum ceiling; the 99-day maximum applies between early 2027 and early 2029, with a 46-day maximum from early 2029, recorded from its source on 2026-08-18.
- Certificate Authority
- DigiCert verified
- Maximum validity (days)
- 199 verified
- Effective date of current limit
- 2026-02-24 our reading
- Next reduction limit (days)
- 99 verified
- Still issuing TLS certificates
- yes our reading
- Notes
- DigiCert's maxima are one day shorter than the CA/Browser Forum ceiling; the 99-day maximum applies between early 2027 and early 2029, with a 46-day maximum from early 2029. 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.
What the source says
Additionally, all public TLS certificates issued on or after February 24, 2026, cannot exceed the new 199-day maximum validity.
— knowledge.digicert.com, retrieved 2026-08-18
Source
- knowledge.digicert.comhttps://knowledge.digicert.com/alerts/public-tls-certificates-199-day-validity