indexo.dev

rolfclaessen.com

.com crawl

First seen 2026-06-04 · Last seen 2026-06-04 · ok HTTP/1.1 200 207 ms crawled 2026-06-04

US · 172.67.155.210 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Dr. Rolf Claessen - Ihr Patentanwalt für Patente, Marken & Designs
Description
Jetzt mit Patentanwalt Rolf Claessen arbeiten oder ihn als Speaker buchen. Außerdem: Praxisnahes Wissens rund um Marken, Patente & Designs.
Language
de-DE
Generator
WordPress 7.0
Canonical
https://rolfclaessen.com/

Open Graph

url
https://rolfclaessen.com/
title
Dr. Rolf Claessen - Patentanwalt und Equity Partner bei Michalski · Hüttermann & Partner
locale
de_DE
site name
Dr. Rolf Claessen
description
Jetzt mit Patentanwalt Rolf Claessen arbeiten oder ihn als Speaker buchen. Außerdem: Praxisnahes Wissens rund um Marken, Patente & Designs.

Technology

CDN
Cloudflare
CMS
WordPress 7.0
Analytics
  • Cloudflare Insights
  • Google Tag Manager

Third-party hosts loaded (3)

  • www.googletagmanager.com×2
  • js-eu1.hs-scripts.com×1
  • static.cloudflareinsights.com×1

Social

Contact

Phone
Address
Kaistr. 16A, 40221, Düsseldorf, DE

Registration

Registrar
RegistryGate GmbH
Created
2014-08-11
Expires
2026-08-11 66 days left
Updated
2026-03-30
Name servers
  • addyson.ns.cloudflare.com
  • gerardo.ns.cloudflare.com

DNS records live

NS
  • addyson.ns.cloudflare.com
  • gerardo.ns.cloudflare.com
MX
  • 10 w01bbd97.kasserver.com
Verified for
  • Brevo
  • Google
  • OpenAI

Email authentication partial

SPF
v=spf1 a mx include:spf.kasserver.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
policy: none (monitoring only)
DKIM
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

E8
from 2026-05-28 to 2026-08-26
Expires in 82 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://rolfclaessen.com/

present
  • strict-transport-security
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=600000

Links to (10)

Linked from (3)