SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
shima-office.com
SSL/TLS Certificate
SSL/TLS Certificate for shima-office.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- *.shima-office.com
- Valid from
- Jun 5, 2026
- Valid until
- Sep 3, 2026 (41 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 063DC8A60F969440511AC3ECDB8CFD17B5FE
- SHA-256 fingerprint
- 15:FB:68:D4:22:F7:FA:7F:8E:41:F0:2E:D5:A9:D4:11:BE:FE:1F:C7:59:41:41:4E:05:35:7F:D4:26:68:ED:35
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (comodoca.com, letsencrypt.org).
Never get surprised by shima-office.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch shima-office.com continuously, notifying you the moment anything moves across all three signals:
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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