indexo.dev

zsvelka.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 494 ms crawled 2026-06-01

CZ · 88.86.103.135 · AS39392 SH.cz s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Masarykova základní škola Velká nad Veličkou - Oficiální stránky Masarykovy základní školy Velká nad Veličkou
Description
Masarykova základní škola Velká nad Veličkou
Language
cs

Technology

Server
Microsoft-IIS
Stack
PHP

Third-party hosts loaded (2)

  • cdnjs.cloudflare.com×1
  • stackpath.bootstrapcdn.com×1

Contact

Email
Phone

DNS records live

NS
  • ns.grdns.cz
  • ns.grdns.it
MX
  • 1 relay.zoner.com
  • 10 10mx.zoner.com
  • 15 15mx.zoner.com
Verified for
  • Apple

Email authentication weak

SPF
v=spf1 include:spf-zoner-zmail.zoner.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-19 to 2026-08-17
Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.zsvelka.cz/

present
  • x-frame-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
sameorigin

Links to (4)

Linked from (2)