SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
grouptech.com
SSL/TLS Certificate
SSL/TLS Certificate for grouptech.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- grouptech.com
- Valid from
- Jun 28, 2026
- Valid until
- Sep 26, 2026 (67 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05C2E64B9448A9391F8B59917321D2F9FB89
- SHA-256 fingerprint
- 6F:4F:24:73:45:5C:E6:FB:62:E2:59:C7:FE:24:C0:2A:53:81:C5:2F:5D:49:D7:EE:2B:41:C9:90:5F:27:B1:5E
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is not among the authorities this domain's CAA records authorize (www.digicert.com). This can indicate a misconfiguration or an unexpected issuance.