SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
queryspectrum.com
SSL/TLS Certificate
SSL/TLS Certificate for queryspectrum.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- queryspectrum.com
- Valid from
- Sep 9, 2026
- Valid until
- Dec 8, 2026 (80 days remaining)
- Public key
- EC 256-bit
- Serial
- 069CEB2DA13C7A4F2C3C4A7EBB4035FB8C52
- SHA-256 fingerprint
- 3F:37:39:70:91:40:CE:AC:03:B6:DC:B9:74:93:62:7E:15:02:5F:61:51:8D:59:8F:99:03:A0:5E:CE:09:F1:43
- 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 Sep 19, 2026.
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Uptime
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DNS changes
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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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