SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
shukugawa-soleil.ed.jp
SSL/TLS Certificate
SSL/TLS Certificate for shukugawa-soleil.ed.jp
Hostname mismatch- Issued by (CA)
- Sectigo Limited
- Subject
- konishi-p.co.jp
- Valid from
- Oct 16, 2026
- Valid until
- Jan 14, 2027 (62 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 4EB13F4422879C12285C84A95D22B28C
- SHA-256 fingerprint
- 61:6C:B3:2B:79:62:88:46:29:E0:A4:13:F9:3C:89:5D:27:BE:57:D6:EE:20:98:75:47:D4:C0:23:E1:2E:35:84
- 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.
Never get surprised by shukugawa-soleil.ed.jp's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch shukugawa-soleil.ed.jp 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, 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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.