SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
ec2-16-54-147-145.ca-central-1.compute.amazonaws.com
SSL/TLS Certificate
SSL/TLS Certificate for ec2-16-54-147-145.ca-central-1.compute.amazonaws.com
Self-signed- Issued by (CA)
- Plesk
- Subject
- Plesk
- Valid from
- May 15, 2026
- Valid until
- May 15, 2027 (281 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 6A0787ED
- SHA-256 fingerprint
- 43:02:3C:78:5D:8C:E0:C9:1F:BB:6A:26:F2:92:6F:BA:6F:DE:3C:33:2C:A2:97:06:AE:43:F0:72:72:8F:7E:C1
- Chain
- Plesk
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by ec2-16-54-147-145.ca-central-1.compute.amazonaws.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch ec2-16-54-147-145.ca-central-1.compute.amazonaws.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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.