SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
opselix.work
SSL/TLS Certificate
SSL/TLS Certificate for opselix.work
Valid- Issued by (CA)
- Amazon
- Subject
- opselix.work
- Valid from
- Aug 26, 2026
- Valid until
- Mar 11, 2027 (163 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0C80765D499730A60037C7B8C808933F
- SHA-256 fingerprint
- 36:3D:B9:B6:17:3A:00:5D:35:27:75:80:53:AF:28:DB:88:8D:05:57:BF:8E:8A:32:3A:6F:F7:AB:0F:7C:9C:38
- 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 Sep 22, 2026.
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This is today's certificate. Turn on monitoring and we'll watch opselix.work 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.
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