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First seen 2026-05-12 · Last seen 2026-05-18 · ok HTTP/1.1 200 23897 ms crawled 2026-05-18

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sector b2b services type homepage

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Title
Systémy řízení jakosti - certifikace ISO - DNV - Safer Smarter Greener - DNV
Description
Naší specialitou je certifikační a řízení jakosti systémy. DNV poskytovat certifikáty jakosti ISO a dalších, stejně jako školení a audity.
Language
cs
Canonical
https://www.dnv.cz/
Translations
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  • de-de
  • en
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  • nl-be
  • nl-nl
  • pl-pl
  • pt-br
  • sk-sk
  • sv-se
  • zh-cn
  • zh-tw

Open Graph

title
Systémy řízení jakosti - certifikace ISO - DNV - Safer Smarter Greener - DNV
site name
DNV
description
Naší specialitou je certifikační a řízení jakosti systémy. DNV poskytovat certifikáty jakosti ISO a dalších, stejně jako školení a audity.

Technology

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Registration

Registrar
REG-KEYSYSTEMS
Created
1999-04-09
Expires
2026-10-10 144 days left
Updated
2025-11-25
Name servers
  • weston.ns.cloudflare.com
  • zita.ns.cloudflare.com

DNS records live

NS
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TXT
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Email authentication no MX

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1; p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-10 to 2026-07-09
Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.dnv.cz/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
SameOrigin
x-content-type-options
nosniff
content-security-policy
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strict-transport-security
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