SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
dr-jach.ch
SSL/TLS Certificate
SSL/TLS Certificate for dr-jach.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- dr-jach.ch
- Valid from
- Sep 19, 2026
- Valid until
- Dec 18, 2026 (56 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06AC1A5697A8F9DE7D373E79F2245D270026
- SHA-256 fingerprint
- EC:E2:CD:CD:52:80:B5:F6:A8:C3:0F:BF:49:C7:F8:0D:74:09:3E:B0:CB:35:35:C0:49:ED:2A:4B:EB:AD:54:B5
- 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.
We've observed 1 previous certificate for this host. This certificate has been served since Sep 25, 2026.
Never get surprised by dr-jach.ch's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch dr-jach.ch 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.