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 banah.ch
Untrusted chain- Issued by (CA)
- Let's Encrypt
- Subject
- banah.ch
- Valid from
- Jun 10, 2026
- Valid until
- Sep 8, 2026 (46 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 062392F034D0271ADB5317D0CB0B1492ADA5
- SHA-256 fingerprint
- 42:C0:2B:3F:8B:E6:58:C1:9F:56:3F:76:AD:2B:D1:9D:90:01:CD:76:D3:E0:7D:D2:D0:5C:D7:24:67:AA:00:20
- Chain
- YR2
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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Uptime
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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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