indexo.dev

kenaurelektro.cz

.cz crawl

First seen 2026-05-29 · Last seen 2026-05-29 · ok HTTP/1.1 200 1001 ms crawled 2026-05-31

CZ · 81.91.86.11 · AS39790 Web4U s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Generator
Microsoft Word 14

Technology

Server
openresty

Registration

Registrar
REG-WEB4U
Created
2010-11-10
Expires
2026-11-09 161 days left
Updated
2020-02-06
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 10 mx1.mailchannels.net
  • 10 mx2.mailchannels.net

Email authentication weak

SPF
v=spf1 include:_spf.web4u.cz ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-28 to 2026-06-26
Expires in 26 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)