christophniemann.com

.com crawl

First seen 2026-04-12 · Last seen 2026-05-19 · ok HTTP/1.1 200 692 ms crawled 2026-05-19

DE · 81.169.145.165 · AS6724 Strato GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Christoph Niemann
Language: en-US
Canonical: https://www.christophniemann.com/

Technology

Server: Apache
CMS: WordPress
PHP: 8.2.31 security-only
jQuery: 3.3.1 known XSS (<3.5)

Analytics

Google Tag Manager

Fonts

Adobe Fonts

Third-party hosts loaded (2)

use.typekit.net×1
www.googletagmanager.com×1

Social

Registration

Registrar

Cronon GmbH

Created

2000-03-22

Expires

2027-03-22 305 days left

Updated

2026-03-23

Name servers

docks10.rzone.de
shades19.rzone.de

DNS records live

NS

docks10.rzone.de
shades19.rzone.de

MX

5 smtpin.rzone.de

Verified for

Brevo

Email authentication strong

SPF

not published

DMARC

v=DMARC1; p=quarantine; pct=100

policy: quarantine

DKIM

mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…

selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2025-10-01 to 2026-10-23

Expires in 155 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.christophniemann.com/

findings

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