SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
SSL/TLS Certificate for jw-i.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- juergen-weiss-immobilien.com
- Valid from
- May 28, 2026
- Valid until
- Aug 26, 2026 (31 days remaining)
- Public key
- EC 256-bit
- Serial
- 054DB3D58D32578B537EDF746DFAEE23F5FE
- SHA-256 fingerprint
- EE:03:42:93:39:1A:5B:B0:60:23:8B:95:3C:DA:97:9A:B9:50:EE:E3:DE:34:B6:3F:C7:52:BB:64:E5:36:F2:93
- Chain
- E8 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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This is today's certificate. Turn on monitoring and we'll watch jw-i.com 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.
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