indexo.dev

irg-online.de

.de crawl

First seen 2026-05-09 · Last seen 2026-05-15 · ok HTTP/1.1 200 1459 ms crawled 2026-05-15

DE · 81.169.145.105 · AS6724 Strato GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
IRG-Online | Website der internationalen Gesellschaft für Regenbogenfische
Language
de
Generator
Divi v.4.25.1
Canonical
https://www.irg-online.de/
Feeds

Technology

Server
Apache
CMS
WordPress
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.gstatic.com×1

Social

Registration

Updated
2008-02-02
Name servers
  • docks04.rzone.de.
  • shades11.rzone.de.

DNS records live

NS
  • docks04.rzone.de
  • shades11.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 2026-02-02 to 2027-02-24
Expires in 280 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.irg-online.de/

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

Links to (2)

Linked from (1)