dirkriehle.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-17 · ok HTTP/1.1 200 1615 ms crawled 2026-05-14

DE · 81.169.154.218 · AS6724 Strato GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title

Dirk Riehle's Industry and Research Publications – Best of open source, inner source, and product strategy

Description

Best of open source, inner source, and product strategy

Language

en-US

Generator

WordPress 6.9.4

Feeds

Open Graph

url: https://dirkriehle.com/
title: Dirk Riehle's Industry and Research Publications
locale: en_US
site name: Dirk Riehle's Industry and Research Publications
description: Best of open source, inner source, and product strategy

Technology

Server: Apache
CMS: WordPress

Analytics

Google Tag Manager

Third-party hosts loaded (8)

c0.wp.com×8
stats.wp.com×3
www.googletagmanager.com×2
jetpack.wordpress.com×1
public-api.wordpress.com×1
s0.wp.com×1
secure.gravatar.com×1
widgets.wp.com×1

Social

Registration

Registrar

Cloudflare, Inc.

Created

2003-09-04

Expires

2026-09-04 106 days left

Updated

2025-08-05

Name servers

kellen.ns.cloudflare.com
ligia.ns.cloudflare.com

DNS records live

NS

kellen.ns.cloudflare.com
ligia.ns.cloudflare.com

MX

31 route2.mx.cloudflare.net
40 route1.mx.cloudflare.net
69 route3.mx.cloudflare.net

Verified for

Google

Email authentication weak

SPF: v=spf1 include:_spf.mx.cloudflare.net ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-28 to 2026-07-27

Expires in 67 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://dirkriehle.com/

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=15768000; includeSubDomains