indexo.dev

zsjesenice.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 878 ms crawled 2026-06-01

DE · 213.239.220.187 · AS24940 Hetzner Online GmbH

Reputation 100/100

Classifying

HTML metadata

Title
ZŠ Jesenice, okr. Rakovník |
Language
cs

Open Graph

url
https://zsjesenice.cz/
title
ZŠ Jesenice, okr. Rakovník
locale
cs
site name
ZŠ Jesenice, okr. Rakovník

Technology

jQuery
3.3.1 known XSS (<3.5)

Third-party hosts loaded (4)

  • www.facebook.com×4
  • cdnjs.cloudflare.com×1
  • code.jquery.com×1
  • stackpath.bootstrapcdn.com×1

Contact

Email
Phone

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 10 server.zsjesenice.cz
Verified for
  • Apple
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:posta.zsjesenice.cz -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:postmaster@zsjesenice.cz; ruf=mailto:admin@zsjesenice.cz; fo=0; adkim=s; aspf=s; pct=100; rf=afrf; sp=reject
policy: reject (enforced) · sp=reject
DKIM
  • mail: v=DKIM1;h=sha256;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3r/VbpcWfr1fADrJwvhjrbgcIqKuiw5jlu7XAWFUfYf6mc71p8uDUpxgvaKrJCPc4TIQosPXifpf…
selectors probed

Certificate (current)

E7
from 2026-04-23 to 2026-07-22
Expires in 49 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://zsjesenice.cz/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • CSP allows unsafe inline scripts/styles
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
default-src https: wss: data: blob: 'unsafe-inline' 'unsafe-eval'
strict-transport-security
max-age=31536000;

Links to (21)

Linked from (1)