indexo.dev

irrationale.net

.net crawl

First seen 2026-04-14 · Last seen 2026-05-10 · ok HTTP/1.1 200 635 ms crawled 2026-05-07

DE · 81.169.145.166 · AS6724 Strato GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Die Irrationale
Language
de

Technology

Server
Apache

Social

Registration

Registrar
Cronon GmbH
Created
2011-01-07
Expires
2027-01-07 232 days left
Updated
2026-01-08
Name servers
  • docks18.rzone.de
  • shades07.rzone.de

DNS records live

NS
  • docks18.rzone.de
  • shades07.rzone.de
MX
  • 5 smtpin.rzone.de

Email authentication strong

SPF
v=spf1 redirect=_spf.strato.com
no all qualifier
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 2025-07-06 to 2026-07-28
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://irrationale.net/

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 (2)