SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
sincha-click.kr
SSL/TLS Certificate
SSL/TLS Certificate for sincha-click.kr
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- sincha-click.kr
- Valid from
- Jul 19, 2026
- Valid until
- Feb 2, 2027 (126 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 536B4604CAFE75C67EEA54AE3DF57912
- SHA-256 fingerprint
- 5C:28:10:76:FB:39:C3:DE:FE:16:94:C6:7C:1F:F5:2B:85:75:C6:B8:01:EA:51:13:13:C3:EF:8C:31:A9:25:EC
- 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.
This certificate has been served since Sep 7, 2026.
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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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