holtrop-jansma.nl

.nl crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 215 ms crawled 2026-06-01

NL · 185.108.113.165 · AS20857 Signet B.V.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Home - Holtrop & Jansma
Description
Holtrop & Jansma is Nederlands grootste specialist op het gebied van industriële luchtzuivering, recycling en bulkhandling.
Language
nl-NL
Generator
WPML ver:4.9.3 stt:37;
Canonical
https://holtrop-jansma.nl/
Translations
  • nl

Open Graph

url
https://holtrop-jansma.nl/
title
Home - Holtrop & Jansma
locale
nl_NL
site name
Holtrop & Jansma
description
Holtrop & Jansma is Nederlands grootste specialist op het gebied van industriële luchtzuivering, recycling en bulkhandling.

Technology

Server
LiteSpeed
CMS
WordPress
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Contact

Email
Phone
Address
Rondweg-West 43, 9101 BE DokkumPostbus 56, 9100 AB DokkumThe Netherlands

DNS records live

NS
  • ns1.duocast.net
  • ns2.duocast.net
MX
  • 0 holtropjansma-nl01i.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 ip4:136.144.138.249 ip4:92.68.241.26 ip4:136.144.143.13 ip4:185.108.113.165 include:spf.protection.outlook.com include:_spf.duocast.net ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-03 to 2026-08-01
Expires in 60 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://holtrop-jansma.nl/

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

Links to (5)

Linked from (2)