indexo.dev

dpuenergy.cz

.cz crawl

First seen 2026-05-30 · Last seen 2026-05-31 · ok HTTP/1.1 200 537 ms crawled 2026-05-31

CZ · 89.221.213.2 · AS197019 WEDOS Internet, a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
DPU Energy - Profesionální energetické poradenství
Description
Profesionální energetické poradenství.
Language
cs
Canonical
https://www.dpuenergy.cz

Technology

Server
ATS
jQuery
3.2.1 known XSS (<3.5)
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Contact

Email
Phone

DNS records live

NS
  • ns.wedos.com
  • ns.wedos.cz
  • ns.wedos.eu
  • ns.wedos.net
MX
  • 0 dpuenergy-cz.mail.protection.outlook.com
Verified for
  • Anthropic
  • Google

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com include:spf.clipsan.net -all
strict (-all)
DMARC
not published
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqfadJZP9YcHHNSgGrspKHSN5yH7vnv3yxmQZxbeLL4/48QuCjb7htDt00dedd39yk+Wg6bqV4VXOsuCGUhc…
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCESEbSlxStgla2PG5Q2n94c7q45TNisdr5nnKAPx7PMpF5GzoyzoSbkO/ijOJUHubBTAb2o2k1on4TYzjjMw…
selectors probed

Certificate (current)

R13
from 2026-05-02 to 2026-07-31
Expires in 58 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)