SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
fasil-koeln.de
SSL/TLS Certificate
SSL/TLS Certificate for fasil-koeln.de
Valid- Issued by (CA)
- ZeroSSL GmbH
- Subject
- fasil-koeln.de
- Valid from
- Oct 5, 2026
- Valid until
- Jan 3, 2027 (74 days remaining)
- Public key
- EC 256-bit
- Serial
- 64FC0C2736FF89E67863905CD3458DE6
- SHA-256 fingerprint
- 76:EF:CE:59:FD:C4:71:E2:40:1A:AF:D4:31:C2:FC:3F:5C:63:90:D9:B3:D6:DE:D1:60:11:25:A1:67:C2:95:74
- Chain
- ZeroSSL ECC DV SSL CA 2 → Sectigo Public Server Authentication Root E46
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 Aug 26, 2026.
Never get surprised by fasil-koeln.de's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch fasil-koeln.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.