SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
sankei-chem.com
SSL/TLS Certificate
SSL/TLS Certificate for sankei-chem.com
Valid- Issued by (CA)
- Nijimo, Inc.
- Subject
- www.sankei-chem.com
- Valid from
- Oct 16, 2025
- Valid until
- Nov 15, 2026 (92 days remaining)
- Public key
- RSA 2048-bit
- Serial
- C20DADBEA35CF870C73F70271FF46C97
- SHA-256 fingerprint
- D4:F3:D0:F9:70:2C:2A:43:13:D1:30:03:8F:1E:60:0C:F8:8A:0A:F8:02:23:5A:7C:DF:FA:DF:D5:15:9C:02:7F
- Chain
- FujiSSL RSA Domain Validation Secure Server CA 2 → 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
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
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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