SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
lifetime-desktop-app.com
SSL/TLS Certificate
SSL/TLS Certificate for lifetime-desktop-app.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- lifetime-desktop-app.com
- Valid from
- Oct 6, 2026
- Valid until
- Jan 4, 2027 (87 days remaining)
- Public key
- EC 256-bit
- Serial
- 058F5B87AD77883AABE3F7F79CE831B1FDC4
- SHA-256 fingerprint
- 29:E4:D8:47:B0:EC:DB:05:49:89:EB:7F:95:48:51:FF:32:41:85:87:67:B4:CA:1E:3D:C2:A2:AC:E4:80:B1:AC
- Chain
- YE1 → 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.
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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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