indexo.dev

nadacersj.com

.com crawl

First seen 2026-04-19 · Last seen 2026-05-09 · ok HTTP/1.1 200 4217 ms crawled 2026-05-13

CZ · 37.235.102.144 · AS39392 SH.cz s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
RSJ Foundation | Pomáháme myslet jinak
Language
cs

Technology

Server
Apache
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • cdn.jsdelivr.net×3
  • www.googletagmanager.com×1

Social

Contact

Phone

Registration

Registrar
Ascio Technologies, Inc. Danmark - Filial af Ascio technologies, Inc. USA
Created
2014-03-04
Expires
2027-03-04 288 days left
Updated
2026-02-09
Name servers
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 10 mailin1.nadacersj.com
  • 100 mailin2.nadacersj.com

Email authentication weak

SPF
not published
DMARC
not published
DKIM
  • mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxfqONHOfKllp/K8CgphwMTJf/BDFbF3ThvorelGo7myws/2XWBysNT2KJmbD4xHSX1Ak534rsaRdnv…
selectors probed

Certificate (current)

E8
from 2026-04-13 to 2026-07-12
Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://nadacersj.com/

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

Links to (7)

Linked from (1)