indexo.dev

mas21.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 3560 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

sector other type homepage

HTML metadata

Title
MAS 21, o.p.s. - Oficiální stránky MAS 21
Description
MAS 21, o.p.s.
Language
cs

Technology

Server
Microsoft-IIS
Stack
PHP

Third-party hosts loaded (3)

  • cdnjs.cloudflare.com×1
  • frame.mapy.cz×1
  • stackpath.bootstrapcdn.com×1

Social

Contact

Email
Phone

Registration

Registrar
REG-ZONER
Created
2006-06-07
Expires
2027-06-06 366 days left
Updated
2019-05-03
Name servers
  • ns1.regzone.cz
  • ns1.regzone.de
  • ns1.regzone.info

DNS records live

NS
  • ns1.regzone.cz
  • ns1.regzone.de
  • ns1.regzone.info
MX
  • 0 mas21-cz.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

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

Certificate (current)

R12
from 2026-05-24 to 2026-08-22
Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.mas21.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 (2)

Linked from (4)