blauwevlag.nl

.nl crawl

First seen 2026-05-23 · Last seen 2026-05-30 · ok HTTP/1.1 200 2440 ms crawled 2026-05-28

NL · 87.233.174.17 · AS15703 TrueFullstaq B.V.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Blauwe vlag | Blauwe Vlag
Description: Blauwe Vlag: Dé internationale milieuonderscheiding voor stranden en jachthavens.
Language: nl
Generator: SEOmatic
Canonical: https://www.blauwevlag.nl/

Open Graph

url: https://www.blauwevlag.nl/
title: Blauwe Vlag
locale: nl
site name: Blauwe vlag
description: Blauwe Vlag: Dé internationale milieuonderscheiding voor stranden en jachthavens.

Technology

Server: nginx
CMS: Gatsby
jQuery: 3.6.0

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (4)

lib.hmcms.nl×2
www.stichtingkmvk.nl×2
fonts.googleapis.com×1
www.googletagmanager.com×1

Social

Contact

Phone

+31333039797

DNS records live

NS

ns1.holidaymedia.nl
ns2.holidaymedia.net
ns3.holidaymedia.nl
ns4.holidaymedia.eu

MX

10 mx1.holidaymedia.nl
20 mx2.holidaymedia.nl
30 mx3.holidaymedia.nl
40 mx4.holidaymedia.nl

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-03-23 to 2026-06-21

Expires in 20 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.blauwevlag.nl/

present

strict-transport-security
referrer-policy

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Permissions Policy

Header values

referrer-policy: no-referrer-when-downgrade
strict-transport-security: max-age=31536000

Links to (17)

Linked from (4)