SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
biz-connect.ch
SSL/TLS Certificate
SSL/TLS Certificate for biz-connect.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- biz-connect.ch
- Valid from
- Oct 2, 2026
- Valid until
- Dec 31, 2026 (49 days remaining)
- Public key
- EC 256-bit
- Serial
- 05E9537F2C994CC9682ECFC98514D7AD66A2
- SHA-256 fingerprint
- F3:54:3E:59:C8:90:AB:26:76:98:5C:E7:CE:9B:FB:C8:D4:23:BA:A9:39:C0:CA:E4:C7:D9:19:89:36:EF:0D:60
- Chain
- YE2 → Root YE → ISRG Root X2 → 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 9, 2026.
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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.
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