indexo.dev

rjwebdesign.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 323 ms crawled 2026-06-02

CZ · 185.216.221.241 · AS51586 ServerZone s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
RJwebdesign - profesionální tvorba webových stránek, specialista na sportovní systémy

Technology

Server
nginx

Third-party hosts loaded (1)

  • www.google.com×1

Social

DNS records live

NS
  • ns1.andweb.cz
  • ns2.andweb.cz
MX
  • 0 mail.rjwebdesign.cz

Email authentication weak

SPF
v=spf1 ip4:185.216.221.240/28 ip6:2a0b:bdc0:10::/48 ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-03 to 2026-07-02
Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://rjwebdesign.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 (5)

Linked from (2)