indexo.dev

dendronet.cz

.cz crawl

First seen 2026-05-24 · Last seen 2026-05-24 · ok HTTP/1.1 200 1868 ms crawled 2026-05-29

CZ · 147.231.201.189 · AS2852 CESNET z.s.p.o.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
DendroNetwork

Open Graph

title
DendroNetwork

Technology

Server
gunicorn

Third-party hosts loaded (1)

  • cdn.jsdelivr.net×1

Contact

Phone

Registration

Registrar
REG-ACTIVE24
Created
2022-06-15
Expires
2028-06-14 744 days left
Updated
2025-07-02
Name servers
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-02 to 2026-07-31
Expires in 61 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)