codingdavinci.de

.de crawl

First seen 2026-04-15 · Last seen 2026-05-10 · ok HTTP/1.1 200 276 ms crawled 2026-05-09

DE · 193.175.100.227 · AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

Reputation 87/100 weak security headers no dmarc policy

sector tech type homepage

HTML metadata

Title: Coding da Vinci
Language: de
Generator: Drupal 10 (https://www.drupal.org)
Canonical: https://codingdavinci.de/de

Technology

Server: nginx
CMS: Drupal

Social

Registration

Updated

2019-09-23

Name servers

dns-1.dfn.de.
ns0.dnb.de.
ns1.dnb.de.

DNS records live

NS

dns-1.dfn.de
ns0.dnb.de
ns1.dnb.de

MX

10 mx20.system-hoster.com
10 mx21.system-hoster.com

TXT

google-site-verification=OUbDJt40Q8GJizuZABXo7pWl5iB558LSVj1HXOB9cZA
HARICA-DI81qyGNL9JK4GDR8iQ
HARICA-c52UrpeShsLKA2JEztW

Email authentication weak

SPF: v=spf1 a mx include:spf.system-hoster.com -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

GEANT TLS RSA 1

from 2025-11-18 to 2026-11-18

Expires in 183 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://codingdavinci.de/

present

x-content-type-options

findings

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

Header values

x-content-type-options: nosniff

Links to (4)

Linked from (3)