SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
file-up.org
SSL/TLS Certificate
SSL/TLS Certificate for file-up.org
Valid- Issued by (CA)
- Google Trust Services
- Subject
- file-up.org
- Valid from
- Sep 17, 2026
- Valid until
- Dec 16, 2026 (76 days remaining)
- Public key
- EC 256-bit
- Serial
- A2DF5F63B262B9F70EF95C1872A0C7CA
- SHA-256 fingerprint
- 29:1D:F9:53:14:BB:15:5A:96:8D:7E:58:53:F6:66:3C:81:3A:24:8C:87:3E:5C:D6:B8:4A:D7:FA:F2:01:E3:48
- Chain
- WE1 → GTS Root R4
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 Sep 26, 2026.
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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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