SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
digi-aka.cz
SSL/TLS Certificate
SSL/TLS Certificate for digi-aka.cz
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- digiaka.cz
- Valid from
- Aug 15, 2026
- Valid until
- Nov 13, 2026 (43 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 058EBDF2EAD37A0D9ECCC4DFEF9F680816A7
- SHA-256 fingerprint
- 21:8A:8F:E7:47:51:04:51:10:E8:C3:3A:E2:E0:15:79:20:6E:33:A9:5E:6E:30:0B:24:A3:12:03:C6:6C:0B:5D
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Sep 20, 2026.
Never get surprised by digi-aka.cz's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch digi-aka.cz continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
Free for your first domain: uptime, DNS, and certificate together. No credit card.