SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
action-korea.com
SSL/TLS Certificate
SSL/TLS Certificate for action-korea.com
Expired- Issued by (CA)
- GlobalSign nv-sa
- Subject
- www.action-korea.com
- Valid from
- Feb 11, 2025
- Valid until
- Mar 15, 2026 (expired 196 days ago)
- Public key
- RSA 2048-bit
- Serial
- 4CBCBE37E8D47AA4A949746E
- SHA-256 fingerprint
- 20:41:30:B9:FA:B0:F0:FA:F5:EC:DB:41:CE:8E:A2:88:15:4B:9B:72:5A:E4:77:EE:DA:3D:73:2B:BB:BB:96:FD
- Chain
- GlobalSign GCC R6 AlphaSSL CA 2023 → GlobalSign → GlobalSign
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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