indexo.dev

sitewell.cz

.cz dns crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 672 ms crawled 2026-06-01

CZ · 46.28.110.135 · AS197019 WEDOS Internet, a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Sitewell
Language
cs

Open Graph

url
https://www.sitewell.cz
title
Sitewell - dáváme informacím smysl
description
Sitewell - 20 let zkušeností s vývojem informačních systémů

Technology

Server
nginx

Third-party hosts loaded (2)

  • maps.googleapis.com×1
  • www.google.com×1

DNS records live

NS
  • ns1.regzone.cz
  • ns1.regzone.de
  • ns1.regzone.info
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication weak

SPF
v=spf1 ip4:109.202.67.218/32 ip4:31.31.77.26/32 ip4:46.28.110.135/32 ip6:2a02:2b88:2:1::6368:1 a include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCys4ewCKKKWWeNilJmpM5ng8vd/tkuOeGaWgVdzxFrgyaXH6vj/2CMtTsBt3XKk2tciJmhehSNlO/KC+rRkQ…
selectors probed

Certificate (current)

R13
from 2026-05-14 to 2026-08-12
Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.sitewell.cz/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (2)

Linked from (1)