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 qlik.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- www.qlik.ch
- Valid from
- Sep 25, 2026
- Valid until
- Dec 24, 2026 (73 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 064F9EDDA615E0FC8AB1786B9619975346C6
- SHA-256 fingerprint
- 85:37:7F:5E:71:82:02:C7:49:1D:E9:BC:4A:9F:91:2C:74:55:36:31:03:07:B0:25:4C:83:34:42:37:66:8A:1B
- Chain
- YR2 → Root YR → 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 Sep 21, 2026.
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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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