thomasgerstmann.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-11 · ok HTTP/1.1 200 1290 ms crawled 2026-05-11

DE · 185.30.32.234 · AS48324 webgo GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Thomas Gerstmann – Founder of darive. Marketing Analytics Expert. Artist.
Description
I support CMOs and marketing teams turn data fog into clarity, decisions, and momentum – fast. Founder of darive. Expert, Speaker, Artist.
Language
en-US
Generator
Thomas Gerstmann DIVI Child Theme v.1.0.0
Canonical
https://thomasgerstmann.com/en/
Translations
  • de
  • en
Feeds

Open Graph

url
https://thomasgerstmann.com/en/
title
Thomas Gerstmann - Datadriven Marketing & Conversion Optimization
locale
en_US
site name
Thomas Gerstmann
description
I support CMOs and marketing teams turn data fog into clarity, decisions, and momentum – fast. Founder of darive. Expert, Speaker, Artist.
updated time
2026-04-06T14:53:43+02:00

Technology

Server
nginx
CMS
WordPress
Analytics
  • Piwik PRO

Third-party hosts loaded (1)

  • analyse.containers.piwik.pro×1

Social

Contact

Email
Phone
Address
st creative designers and artists in the digital world – since 2001

Registration

Registrar
1API GmbH
Created
2024-06-26
Expires
2026-06-26 38 days left
Updated
2025-11-24
Name servers
  • ns1.domainoffensive.de
  • ns2.domainoffensive.eu
  • ns3.domainoffensive.net

DNS records live

NS
  • ns1.domainoffensive.de
  • ns2.domainoffensive.eu
  • ns3.domainoffensive.net
MX
  • 10 mxext1.mailbox.org
  • 10 mxext2.mailbox.org
  • 20 mxext3.mailbox.org
TXT
  • google-site-verification=DaQtObwE2QARJs-d0JI1uEQhBJF7wC_FXaLNx-Bwt4k

Email authentication partial

SPF
v=spf1 include:_spf.mlsend.com include:mailbox.org
no all qualifier
DMARC
v=DMARC1;p=none;rua=mailto:mail@thomasgerstmann.com;ruf=mailto:mail@thomasgerstmann.com
policy: none (monitoring only)
DKIM
  • s1: v=DKIM1; k=rsa; h=sha256; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4d/jridMLV9rZ/lBiDYA17BWKWIHnvLzCVGoFcOENqxLym8ro869rgp82mcxobr2kPyd…
  • s2: v=DKIM1; k=rsa; h=sha256; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4d/jridMLV9rZ/lBiDYA17BWKWIHnvLzCVGoFcOENqxLym8ro869rgp82mcxobr2kPyd…
selectors probed

Certificate (current)

R13
from 2026-05-09 to 2026-08-07
Expires in 80 days

HTTP security headers

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

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

Links to (6)

Linked from (1)