indexo.dev

erta.de

.de crawl

First seen 2026-04-23 · Last seen 2026-05-17 · ok HTTP/1.1 200 10849 ms crawled 2026-05-17

FR · 92.205.214.152 · AS21499 Host Europe GmbH

Reputation 89/100 weak security headers dmarc monitor-only

sector education type blog

HTML metadata

Title
European Recorder Teachers Association (ERTA)
Description
ERTA ist da für alle Fragen rund um den Blockflötenunterricht; zur Information, Vernetzung und Austausch im Blockflötenbereich.
Language
de-de
Generator
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Open Graph

url
https://www.erta.de/
title
European Recorder Teachers Association (ERTA)
description
ERTA ist da für alle Fragen rund um den Blockflötenunterricht; zur Information, Vernetzung und Austausch im Blockflötenbereich.

Technology

Server
nginx
CMS
Joomla

Third-party hosts loaded (1)

  • cloud.ccm19.de×1

Social

Registration

Updated
2025-09-01
Name servers
  • ns81.domaincontrol.com.
  • ns82.domaincontrol.com.

DNS records live

NS
  • ns81.domaincontrol.com
  • ns82.domaincontrol.com
MX
  • 100 mxlb.ispgateway.de

Email authentication partial

SPF
v=spf1 mx a include:ispgateway.de ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2026-03-05 to 2026-09-04
Expires in 107 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (4)

Linked from (1)