SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
SSL/TLS Certificate for j-mag.ch
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- j-mag.ch
- Valid from
- Mar 6, 2026
- Valid until
- Mar 20, 2027 (228 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 7D9DA19CAF604AA1B764867589041AAF
- SHA-256 fingerprint
- 2B:19:E1:53:13:AA:52:25:02:11:10:6F:9A:FB:53:9A:0B:04:59:12:EB:98:02:53:CE:22:61:12:56:D4:2E:FC
- 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 j-mag.ch's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch j-mag.ch 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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.