indexo.dev

thunderfly.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 426 ms crawled 2026-06-02

CZ · 37.205.9.208 · AS24971 MasterDC s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
ThunderFly aerospace systems
Description
Development and production of unmanned aerial vehicles designed to operate in unfavorable weather conditions. The key product is a modifiable open-source autogyro carrier, which, given its high stability, provides new solutions to researchers and rescue teams. Modular construction and specific properties of the autogyro UAV enable universal use.
Language
en
Generator
Webflow

Technology

Server
nginx
jQuery
3.4.1 known XSS (<3.5)
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • ajax.googleapis.com×1
  • d3e54v103j8qbb.cloudfront.net×1
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 20 s4.ust.cz
Verified for
  • Google

Email authentication partial

SPF
v=spf1 a:s4.ust.cz ip4:37.205.9.208 ip6:2a03:3b40:fe:14f::1 ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
  • mail: v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnbtcyvIu3gq4RfT7T7hBDMuA5nVwgbTIVsVvamFH7r5GPWv6g6VVeu4guSjqIu8c1+8pk5TieTzP0RleKe/W/…
selectors probed

Certificate (current)

E7
from 2026-05-28 to 2026-08-26
Expires in 85 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://thunderfly.cz/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (3)

Linked from (1)