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 s-con.se
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- *.s-con.se
- Valid from
- Jun 24, 2026
- Valid until
- Sep 22, 2026 (60 days remaining)
- Public key
- EC 256-bit
- Serial
- 05938EEF6AE40975833F74D60EEC139C5DA6
- SHA-256 fingerprint
- 01:C6:5C:6E:2D:A0:67:A5:10:A9:21:99:08:0E:05:42:B4:15:AD:AF:E5:62:D1:F2:01:5D:4B:1E:62:77:D6:2F
- Chain
- YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by s-con.se's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch s-con.se 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.