SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
asa-ff.de
SSL/TLS Certificate
SSL/TLS Certificate for asa-ff.de
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- www.asa-ff.de
- Valid from
- Aug 30, 2026
- Valid until
- Mar 16, 2027 (170 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 2EFFA98C646C19293D456484BFF6B137
- SHA-256 fingerprint
- E3:C3:D9:0A:73:F6:10:EF:94:DD:70:14:75:C8:36:6E:F7:07:07:49:FE:BD:A5:66:0A:1B:EA:06:B4:4B:D2:F1
- Chain
- Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
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 16, 2026.
Never get surprised by asa-ff.de's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch asa-ff.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.