SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
nak-kaiserslautern.de
SSL/TLS Certificate
SSL/TLS Certificate for nak-kaiserslautern.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- nak-kaiserslautern.de
- Valid from
- Sep 7, 2026
- Valid until
- Dec 6, 2026 (30 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 068F2D39377514C38F10102C9ECFA1CC2D28
- SHA-256 fingerprint
- D1:08:E6:09:10:DE:AD:67:33:18:44:89:D9:01:5D:F8:66:43:89:A2:DC:3A:60:25:04:9C:BD:13:0F:40:22:84
- 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.
This certificate has been served since Oct 5, 2026.
Never get surprised by nak-kaiserslautern.de's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch nak-kaiserslautern.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, 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.