SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
blackfilm.org
SSL/TLS Certificate
SSL/TLS Certificate for blackfilm.org
Hostname mismatch- Issued by (CA)
- GlobalSign nv-sa
- Subject
- blackfilm.com
- Valid from
- Jun 25, 2026
- Valid until
- Jan 10, 2027 (69 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 12060E20B1CA22F4627ECA04
- SHA-256 fingerprint
- 27:FE:A8:5B:F1:12:A0:06:65:D8:22:DE:9B:64:DC:C7:C6:E1:A4:77:66:25:1E:C2:13:80:3E:B2:3A:A8:DE:42
- Chain
- GlobalSign GCC R3 DV TLS CA 2020 → GlobalSign
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, 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.
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