indexo.dev

davidwahrenburg.de

.de crawl

First seen 2026-04-20 · Last seen 2026-05-11 · ok HTTP/1.1 200 1069 ms crawled 2026-05-14

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
David Wahrenburg
Description
Bremen-based graphic designer and programmer, with a focus on experimental web development.
Language
en

Technology

CDN
Fastly
Server
GitHub.com

Social

Contact

Email

Registration

Updated
2026-02-19
Name servers
  • ns1.digitalocean.com.
  • ns2.digitalocean.com.
  • ns3.digitalocean.com.

DNS records live

NS
  • ns1.digitalocean.com
  • ns2.digitalocean.com
  • ns3.digitalocean.com
MX
  • 10 mxext1.mailbox.org
  • 10 mxext2.mailbox.org
  • 20 mxext3.mailbox.org
Verified for
  • Google

Email authentication partial

SPF
v=spf1 include:mailbox.org ~all
softfail (~all)
DMARC
v=DMARC1;p=none;rua=mailto:dmarc-davidwahrenburg@thiel2s.de
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-31 to 2026-06-29
Expires in 40 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://davidwahrenburg.de/

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

Links to (1)

Linked from (1)