indexo.dev

dhondt.de

.de crawl

First seen 2026-05-05 · Last seen 2026-05-05 · ok HTTP/1.1 200 451 ms crawled 2026-05-11

DE · 81.169.145.94 · AS6724 Strato GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
CalculiX: A Three-Dimensional Structural Finite Element Program

Technology

Server
Apache

Social

Registration

Updated
2006-11-29
Name servers
  • docks13.rzone.de.
  • shades17.rzone.de.

DNS records live

NS
  • docks13.rzone.de
  • shades17.rzone.de
MX
  • 5 smtpin.rzone.de

Email authentication strong

SPF
not published
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-01-14 to 2027-02-05
Expires in 262 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (9)

Linked from (1)