esl.ch

.ch crawl

First seen 2026-05-12 · Last seen 2026-05-18 · ok HTTP/1.1 200 3377 ms crawled 2026-05-18

US · 104.26.9.65 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title

Sprachaufenthalte und Sprachreisen weltweit | ESL

Description

Sprachaufenthalte im Ausland mit ESL: Sprachkurse in 20 Sprachen. 250 Destinationen weltweit. ESL – Ihr Schweizer Sprachreisespezialist seit 1996.

Language

de-ch

Canonical

https://www.esl.ch/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.ch/de/home
title: Sprachaufenthalte und Sprachreisen weltweit | ESL
description: Sprachaufenthalte im Ausland mit ESL: Sprachkurse in 20 Sprachen. 250 Destinationen weltweit. ESL – Ihr Schweizer Sprachreisespezialist seit 1996.

Technology

CDN: Cloudflare
CMS: Drupal

Analytics

Google Tag Manager

Third-party hosts loaded (15)

cdn.bfldr.com×20
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.de×1
www.esl.fr×1
www.esl.it×1
www.esl.se×1

Social

Contact

Phone

DNS records live

NS

arushi.ns.cloudflare.com
kolton.ns.cloudflare.com

MX

0 esl-ch.mail.protection.outlook.com

TXT

MS=ms98025414
amazonses:KnskHJJgEcPe2lIxjG8rhBmRvzVYH9+CQdZavYzRlM8=
MS=ms40452809

Email authentication weak

SPF

v=spf1 a mx include:evok.ch include:spf.protection.outlook.com include:amazonses.com -all

strict (-all)

DMARC

not published

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzZkRVAoPx0WiL4p1N2pcZSzL75m9SQkBAfBeRzba3XbSn8Yd7dbwn7aC4r+CjNP19a4nBjk6r60RCd…

selectors probed

Certificate (current)

WE1

from 2026-05-05 to 2026-08-03

Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

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

suisserugby.com×1