SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
sz-foto.com
SSL/TLS Certificate
SSL/TLS Certificate for sz-foto.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- sz-foto.ch
- Valid from
- Oct 11, 2026
- Valid until
- Jan 9, 2027 (79 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05E92FF2C559E7B7CF13029A3F422DC33CE4
- SHA-256 fingerprint
- CB:76:73:A0:62:BD:D8:48:08:7E:74:B6:0E:4D:F2:67:A3:BA:EA:9F:7C:97:3C:8B:78:A1:63:A5:AC:C7:1F:BF
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by sz-foto.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch sz-foto.com 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, CNAME, TXT 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.