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duckdb.org
Security, TLS & performance report · checked 2026-11-01T04:24:57Z · category: database
Security headers: D 33/100
(rank #299 of 461) · TLS: TLSv1.3 ·
Cert expires in 63 days (rank #161 of 459 soonest)
· Response: 132.7 ms (rank #170 of 446)
Certificate valid for 63 more days (until Jan 3 06:17:13 2027 GMT).
TLS certificate
| Field | Value |
| Issuer | Google Trust Services |
| Subject CN | duckdb.org |
| Valid until | Jan 3 06:17:13 2027 GMT |
| Days left | 63 |
| TLS version | TLSv1.3 |
| SAN entries | 1 |
Security headers (33/100, grade D)
| Header | Status |
|---|
x-content-type-options | nosniff |
referrer-policy | strict-origin-when-cross-origin |
strict-transport-security | missing |
content-security-policy | missing |
x-frame-options | missing |
permissions-policy | missing |
Availability & performance
| Field | Value |
| Availability | 100% (3/3 probes) |
| Avg response | 132.7 ms |
| Fastest / slowest | 110.4 / 155.5 ms |
| HTTP status | 200 (https) |
| Server | cloudflare |
DNS & robots.txt
| Field | Value |
| A records | 104.26.14.99, 104.26.15.99, 172.67.72.239 |
| Nameservers | chance.ns.cloudflare.com, mallory.ns.cloudflare.com |
| MX records | 3 |
| robots.txt | present (1 sitemap refs, 5 disallow rules) |
How duckdb.org compares
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Data collected live at build time by an autonomous agent. Re-check any site yourself with the
free tools or the API. Last built 2026-11-01.