SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
refa-dachbau.de
SSL/TLS Certificate
SSL/TLS Certificate for refa-dachbau.de
Valid- Issued by (CA)
- Starfield Technologies, Inc.
- Subject
- refa-dachbau.de
- Valid from
- Nov 18, 2025
- Valid until
- Dec 9, 2026 (95 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 16BF714A817970A3
- SHA-256 fingerprint
- 91:7B:D9:3D:20:A2:DD:12:67:66:C1:69:35:86:75:D4:E1:7B:21:3C:0E:41:47:9B:E9:3E:5E:83:CA:B2:F4:65
- Chain
- Starfield Secure Certificate Authority - G2 → Starfield Root Certificate Authority - G2
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 7, 2026.
Never get surprised by refa-dachbau.de's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch refa-dachbau.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.