SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
ca-roh.de
SSL/TLS Certificate
SSL/TLS Certificate for ca-roh.de
Expired- Issued by (CA)
- Let's Encrypt
- Subject
- wmplus.de
- Valid from
- Apr 12, 2018
- Valid until
- Jul 11, 2018 (expired 3012 days ago)
- Public key
- RSA 2048-bit
- Serial
- 03852E52B66D60A251488E1129C91C9E5E59
- SHA-256 fingerprint
- D8:A6:F1:E4:8B:83:2C:26:F9:FE:C1:57:08:19:01:B4:20:0B:2C:2A:12:AB:A3:61:B7:A1:A9:E7:41:CD:52:E5
- Chain
- Let's Encrypt Authority X3
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 26, 2026.
Never get surprised by ca-roh.de's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch ca-roh.de 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.