SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
gssc.tech
SSL/TLS Certificate
SSL/TLS Certificate for gssc.tech
Expired- Issued by (CA)
- Sectigo Limited
- Subject
- gssc.tech
- Valid from
- Apr 11, 2025
- Valid until
- May 12, 2026 (expired 113 days ago)
- Public key
- RSA 2048-bit
- Serial
- 5E67CFF5D08B6939CDD55213F4CA944E
- SHA-256 fingerprint
- 32:94:6D:94:57:E3:ED:7A:74:D5:9F:41:34:30:46:10:69:32:40:87:78:A2:2E:2F:47:F4:31:75:11:D6:58:9A
- Chain
- Sectigo RSA Domain Validation Secure Server CA → USERTrust RSA Certification Authority
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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