SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
atias-lumia.com
SSL/TLS Certificate
SSL/TLS Certificate for atias-lumia.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- atias-lumia.com
- Valid from
- Sep 21, 2026
- Valid until
- Dec 20, 2026 (77 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 058FE9BCABBB475024F76CE46B501C0489DA
- SHA-256 fingerprint
- 31:E9:18:91:FF:95:A8:88:20:24:C0:98:E1:61:83:84:FD:BB:6B:02:C5:EA:23:D4:9C:4D:01:F8:2B:F9:76:11
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
We've observed 1 previous certificate for this host. This certificate has been served since Oct 2, 2026.
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This is today's certificate. Turn on monitoring and we'll watch atias-lumia.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.
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