SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for nora-jakub.sk

Valid
Issued by (CA)
Let's Encrypt
Subject
nora-jakub.sk
Valid from
Jul 2, 2026
Valid until
Sep 30, 2026 (52 days remaining)
Public key
EC 256-bit
Serial
05DDE21535C6B0DE3BBB4EF0D6AE92B82E28
SHA-256 fingerprint
C2:77:75:BC:0E:B0:BE:1C:AB:10:F5:97:C9:05:04:18:A5:B1:30:54:0E:6F:8D:F2:00:B3:F8:B4:42:08:0D:34
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
*.nora-jakub.sk, nora-jakub.sk

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.

Never get surprised by nora-jakub.sk's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch nora-jakub.sk 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.

Monitor this certificate free

Free for your first domain: uptime, DNS, and certificate together. No credit card.