jkoops.nl

.nl crawl

First seen 2026-05-17 · Last seen 2026-05-31 · ok HTTP/1.1 200 4082 ms crawled 2026-05-21

DE · 87.106.164.9 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title

Jan Koops

Language

nl-NL

Generator

WordPress 6.9.4

Feeds

Jan Koops » feed RSS
Jan Koops » reacties feed RSS

Technology

Server: Apache
CMS: WordPress 6.9.4
PHP: 8.3.30 security-only
jQuery: 3.7.1

Third-party hosts loaded (2)

secure.gravatar.com×10
gmpg.org×1

Social

Registration

Registrar

Realtime Register

Created

2005-05-03

Updated

2021-11-30

Name servers

ns2.argewebhosting.com
ns1.argewebhosting.eu
ns3.argewebhosting.nl

DNS records live

NS

ns1.argewebhosting.eu
ns2.argewebhosting.com
ns3.argewebhosting.nl

MX

1 mail.jkoops.nl
150 bsmtp.argewebhosting.nl

Email authentication partial

SPF

v=spf1 mx ~all

softfail (~all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArMmtrpBe/bXLIv4N5CZQwvJ79r8X/RbnNufY7XKdPVGf0BYHBg7Nl9voGCUqvAR5WsKMTK9a0+yGuEV2nB…
s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxNpA0F45WPJjKzivRFXm9ruqfvU2zj4TNJebJgI1ZXbQ9/8Bni2NSIPRalWKlcPtFkVz4SttpLGtkFwWZa…

selectors probed

Certificate (current)

R12

from 2026-03-24 to 2026-06-22

Expires in 20 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://jkoops.nl/

findings

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