leclavera.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 1747 ms crawled 2026-05-30

CZ · 37.44.16.231 · AS48926 Pe3ny Net s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
LE CLAVERA
Description
LE CLAVERA s.r.o. jako webový integrátor nabízí tvorbu webů, intranetů, extranetů, portálů a webových aplikací. Do jejich portfólia patří také grafické práce a nabízí služby v oblasti IT bezpečnosti a penetračního testování.
Language
cs
Generator
Joomla! - Open Source Content Management

Technology

Server
nginx
CMS
Joomla
PHP
7.4.33 end of life

Third-party hosts loaded (1)

  • www.google.com×1

Contact

Phone

Registration

Registrar
REG-ACTIVE24
Created
2011-12-15
Expires
2026-12-14 196 days left
Updated
2025-10-26
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 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 20 alt2.aspmx.l.google.com
  • 30 aspmx2.googlemail.com
  • 30 aspmx3.googlemail.com
Verified for
  • Google
  • Microsoft 365

Email authentication partial

SPF
v=spf1 include:_spf.google.com ip4:37.44.16.226 ip4:37.44.16.227 ip4:37.44.16.228 ip4:37.44.16.229 ip4:37.44.16.230 ip4:37.44.16.231 ip4:37.44.16.232 ip4:31.31.226.145 ~all
softfail (~all)
DMARC
v=DMARC1; p=none; sp=quarantine; rua=mailto:jirka.jurek@gmail.com
policy: none (monitoring only) · sp=quarantine
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiK5oCmRFMAPJ2B+dSReubS3U54J6hu4KZK8AOcvhlJl2BO5nHQC2tV0LFYy0bbokBX3wjnxTMsJF3C…
selectors probed

Certificate (current)

R13
from 2026-04-19 to 2026-07-18
Expires in 48 days

HTTP security headers

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

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

Links to (20)

Linked from (2)