dolderman.nl

.nl crawl

First seen 2026-05-20 · Last seen 2026-05-31 · ok HTTP/1.1 200 1741 ms crawled 2026-05-27

NL · 31.7.7.79 · AS20847 Previder B.V.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Home - Dolderman
Description: Officieel Marine Dealer van Caterpillar en John Deere motoren. Wij bieden verkoop, installatie en onderhoud voor scheepsmotoren en systemen.
Language: nl
Canonical: https://www.dolderman.nl/

Open Graph

title: Home
description: Officieel Marine Dealer van Caterpillar en John Deere motoren. Wij bieden verkoop, installatie en onderhoud voor scheepsmotoren en systemen.
updated time: 1778253571

Technology

Server: Apache

Social

Contact

Email

Phone

DNS records live

NS

ns.internlnet.nl
ns3.internl.net
ns4.internl.net

MX

10 dolderman-nl.mail.protection.outlook.com

Verified for

Microsoft 365

Email authentication weak

SPF: v=spf1 a mx ip4:37.153.244.209 ip4:37.153.244.210 ip4:37.153.244.211 include:spf.protection.outlook.com include:_spf.yoursite.io ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-05-08 to 2026-08-06

Expires in 67 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.dolderman.nl/

present

strict-transport-security
x-content-type-options
referrer-policy

findings

missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: same-origin
x-content-type-options: nosniff
strict-transport-security: max-age=31536000