indexo.dev

sszslitvinov.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 674 ms crawled 2026-05-30

US · 104.21.77.174 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
| Úvod
Language
cs

Technology

CDN
Cloudflare
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1

Social

Contact

Phone
Address
AdresaPodkrušnohorská 1677436 01 Litvínov

DNS records live

NS
  • bonnie.ns.cloudflare.com
  • kip.ns.cloudflare.com
MX
Show 7 MX records
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 20 alt2.aspmx.l.google.com
  • 30 aspmx2.googlemail.com
  • 30 aspmx3.googlemail.com
  • 30 aspmx4.googlemail.com
  • 30 aspmx5.googlemail.com
TXT
  • v=DMARC1; p=reject; rua=mailto:pavel.siktanc@sszslitvinov.cz, mailto:dmarc@sszslitvinov.cz; pct=100; adkim=s; aspf=s
Verified for
  • Apple
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:_spf.google.com include:spf.reenio.cz ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhx3hU/UZQAifeO90fo5Pm2x6sHPvWybfmZcJib0XSkCxNJ+7xnbLu0iXiF+8R0X1Q0iVKOV7aECpE+…
selectors probed

Certificate (current)

WE1
from 2026-05-06 to 2026-08-04
Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.sszslitvinov.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 (6)

Linked from (1)