indexo.dev

holgerherrmann.com

.com crawl

First seen 2026-04-30 · Last seen 2026-04-30 · ok HTTP/1.1 200 2317 ms crawled 2026-05-08

DE · 5.44.111.63 · AS8648 dogado GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Holger Herrmann / Freelance UI Designer
Description
I'm a freelance designer living and working in Berlin. Although I am focused on interface and visual design, I also have professional experience in creating digital concepts, wireframes and in developing visual prototypes.
Language
en
Generator
Webflow

Open Graph

title
Holger Herrmann / Freelance UI Designer
description
I'm a freelance designer living and working in Berlin. Although I am focused on interface and visual design, I also have professional experience in creating digital concepts, wireframes and in developing visual prototypes.

Technology

Server
nginx
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • cdnjs.cloudflare.com×1
  • d1tdp7z6w94jbb.cloudfront.net×1
  • www.googletagmanager.com×1

Social

Contact

Email

Registration

Registrar
united-domains GmbH
Created
2007-01-18
Expires
2027-01-18 244 days left
Updated
2026-04-02
Name servers
  • cns1.alfahosting.info
  • cns2.alfahosting.info
  • cns3.alfahosting.info

DNS records live

NS
  • cns1.alfahosting.info
  • cns2.alfahosting.info
  • cns3.alfahosting.info
MX
  • 10 mx03.secure-mailgate.com
  • 10 mx04.secure-mailgate.com

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-03-29 to 2026-06-28
Expires in 40 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (2)

Linked from (1)