webshopdenheijeroptiek.nl

.nl crawl

First seen 2026-05-28 · Last seen 2026-05-28 · ok HTTP/1.1 200 400 ms crawled 2026-05-31

NL · 37.46.143.14 · AS25151 Cyso Group B.V.

Reputation 100/100

Classifying

HTML metadata

Title: Home | Den Heijer Optiek Borger
Description: Home
Language: nl
Canonical: https://masterwebshop.friederichs.nl/home/

Technology

Server: Microsoft-IIS
ASP.NET: 4.0.30319
Stack: Java

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (5)

static.friederichs.nl×29
fonts.googleapis.com×1
masterwebshop.friederichs.nl×1
purl.org×1
www.googletagmanager.com×1

Social

Contact

Email

info@denheijeroptiek.nl

Phone

0599235284

DNS records live

NS

ns1.yoursrs.com
ns2.yoursrs.com

Email authentication no MX

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

Certificate (current)

R13

from 2026-05-25 to 2026-08-23

Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://webshopdenheijeroptiek.nl/

present

strict-transport-security

findings

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

Header values

strict-transport-security: max-age=63072000

Links to (2)

instagram.com×1
facebook.com×1

Linked from (1)

denheijeroptiek.nl×1