indexo.dev

esl.de

.de crawl

First seen 2026-04-23 · Last seen 2026-05-17 · ok HTTP/1.1 200 9540 ms crawled 2026-05-17

US · 104.26.4.192 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
ESL Sprachreisen: Sprachreisen & Sprachkurse im Ausland
Description
Sprachreisen für Erwachsene, Schüler & Jugendliche. Renommierte Sprachschulen weltweit. 20 Sprachen. 250 Reiseziele. 25 Jahre Erfahrung. Kostenlose Beratung!
Language
de
Canonical
https://www.esl.de/de
Translations
  • de
  • de-at
  • de-ch
  • en
  • en-gb
  • es
  • fr
  • fr-be
  • fr-ch
  • it
  • it-ch
  • nl
  • sv

Open Graph

url
https://www.esl.de/de/home
title
ESL Sprachreisen: Sprachreisen & Sprachkurse im Ausland
description
Sprachreisen für Erwachsene, Schüler & Jugendliche. Renommierte Sprachschulen weltweit. 20 Sprachen. 250 Reiseziele. 25 Jahre Erfahrung. Kostenlose Beratung!

Technology

CDN
Cloudflare
CMS
Drupal
Analytics
  • Google Tag Manager
Third-party hosts loaded (15)
  • cdn.bfldr.com×19
  • www.esl.ch×3
  • www.esl-languages.com×2
  • www.googletagmanager.com×2
  • challenges.cloudflare.com×1
  • elfsightcdn.com×1
  • static.elfsight.com×1
  • www.esl-idiomas.com×1
  • www.esl-sprachreisen.at×1
  • www.esl-taalreizen.com×1
  • www.esl.be×1
  • www.esl.co.uk×1
  • www.esl.fr×1
  • www.esl.it×1
  • www.esl.se×1

Social

Contact

Phone

Registration

Updated
2025-10-25
Name servers
  • arushi.ns.cloudflare.com.
  • kolton.ns.cloudflare.com.

DNS records live

NS
  • arushi.ns.cloudflare.com
  • kolton.ns.cloudflare.com
MX
  • 0 esl-de.mail.protection.outlook.com
TXT
  • MS=ms68098255
  • MS=ms96512330

Email authentication weak

SPF
v=spf1 a mx include:evok.ch include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
not published
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxKt1VWSQ26EyL9E/RbmfPm0+YJhcWTG/GEAhUkndk74NmKtWfnAb47aBAvG3453Pv8imjryJtrliOM…
selectors probed

Certificate (current)

WE1
from 2026-04-03 to 2026-07-02
Expires in 43 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.esl.de/de

present
  • strict-transport-security
  • content-security-policy-report-only
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=7200
content-security-policy-report-only
script-src 'self' 'unsafe-inline' 'unsafe-eval' https://challenges.cloudflare.com https://cdnjs.cloudflare.com https://*.optimizely.com https://static.addtoany.com https://cdn.jsdelivr.net https://*.trustpilot.com https://unpkg.com https://*.googletagmanager.com https://*.google-analytics.com https://*.clarity.ms https://*.doubleclick.net https://*.googleadservices.com https://*.googleapis.com https://*.google.com https://elfsightcdn.com https://*.elfsightcdn.com https://*.elfsight.com https://*.tawk.to https://*.bing.com https://*.facebook.net https://c.webtrends-optimize.com https://pixel.byspotify.com https://*.tiktok.com https://sc-static.net https://*.wistia.net https://*.wistia.com https://*.snapchat.com https://*.sentry-cdn.com https://*.flywire.com; frame-src 'self' https://challenges.cloudflare.com https://*.cdn.optimizely.com https://static.addtoany.com https://widget.trustpilot.com https://*.youtube.com https://*.youtube-nocookie.com https://tr.snapchat.com https://*.wistia.

Links to (4)

Linked from (1)