SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
ch-designstudio.fr
SSL/TLS Certificate
SSL/TLS Certificate for ch-designstudio.fr
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- *.ch-designstudio.fr
- Valid from
- Aug 17, 2026
- Valid until
- Feb 27, 2027 (104 days remaining)
- Public key
- RSA 2048-bit
- Serial
- B559CC060B4BADD069D14458CE7D1900
- SHA-256 fingerprint
- CB:69:EE:9B:42:46:F2:03:55:5A:AF:5E:E4:10:98:66:62:D3:D0:6A:B2:D5:EA:12:9A:35:7C:51:05:36:6B:11
- 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 Nov 4, 2026.
Never get surprised by ch-designstudio.fr's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch ch-designstudio.fr 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.