SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
nextlab-semi.com
SSL/TLS Certificate
SSL/TLS Certificate for nextlab-semi.com
Self-signed- Issued by (CA)
- Samjung Data Service Co, Ltd
- Subject
- web301.direct.co.kr
- Valid from
- Nov 2, 2020
- Valid until
- Oct 31, 2030 (1477 days remaining)
- Public key
- RSA 2048-bit
- Serial
- D072E301CDCB6014
- SHA-256 fingerprint
- 9D:A4:30:90:70:0D:2A:6F:F7:24:F8:37:BD:35:0F:A2:F3:0E:D5:B2:F7:00:FB:5A:10:B0:04:2D:05:3E:AF:F4
- Chain
- web301.direct.co.kr
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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