SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
ai-plays-slay-the-spire.com
SSL/TLS Certificate
SSL/TLS Certificate for ai-plays-slay-the-spire.com
Valid- Issued by (CA)
- Amazon
- Subject
- ai-plays-slay-the-spire.com
- Valid from
- Oct 8, 2026
- Valid until
- Apr 23, 2027 (165 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0359BC17A55CBF348DB5D8E527EAEE6D
- SHA-256 fingerprint
- 84:88:DB:82:1C:5A:32:83:E4:5E:C7:86:EF:AE:05:E9:42:B1:DD:67:29:12:1C:36:5A:EF:36:4B:7A:FD:0D:6E
- Chain
- Amazon RSA 2048 M04 → Amazon Root CA 1 → Starfield Services Root Certificate Authority - G2
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 Oct 15, 2026.
Never get surprised by ai-plays-slay-the-spire.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch ai-plays-slay-the-spire.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, 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.