SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
roksa-incheon.or.kr
SSL/TLS Certificate
SSL/TLS Certificate for roksa-incheon.or.kr
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- roksa-incheon.or.kr
- Valid from
- Jul 9, 2026
- Valid until
- Jan 23, 2027 (80 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 8A7CDF6D2ED56AD9E31BB35439F11028
- SHA-256 fingerprint
- 3B:25:81:35:02:AD:06:8E:00:39:70:DF:47:5D:AA:09:B4:49:5E:3E:3F:DE:62:76:78:6E:F7:EB:18:17:A9:9B
- Chain
- Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → 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, CNAME, TXT 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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