indexo.dev

iszl.ch

.ch crawl

First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 563 ms crawled 2026-05-31

US · 162.159.134.42 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
International School Switzerland | ISZL
Description
The International School of Zug and Luzern (ISZL) is a co-ed day school for students aged 3 to 18, we are a non-profit english speaking School in Switzerland.
Language
en-GB
Generator
WP Rocket 3.21.3
Canonical
https://www.iszl.ch/

Open Graph

url
https://www.iszl.ch/
title
Home
locale
en_GB
site name
International School of Zug and Luzern
description
The International School of Zug and Luzern (ISZL) is a co-ed day school for students aged 3 to 18, we are a non-profit english speaking School in Switzerland.

Technology

CDN
Cloudflare
CMS
WordPress
jQuery
3.6.0
Analytics
  • Google Analytics
  • Google Tag Manager
  • Hotjar
  • Microsoft Clarity
Ads
  • Google Ads (DoubleClick)
  • Meta Pixel
Third-party hosts loaded (11)
  • ajax.googleapis.com×3
  • cdn-cookieyes.com×2
  • www.googletagmanager.com×2
  • connect.facebook.net×1
  • googleads.g.doubleclick.net×1
  • scontent-cdg6-1.cdninstagram.com×1
  • script.hotjar.com×1
  • scripts.clarity.ms×1
  • static.hotjar.com×1
  • www.clarity.ms×1
  • www.google-analytics.com×1

Social

Contact

Email
Phone
Address
Zug CampusWalterswil 16340 Baar, Switzerland

DNS records live

NS
  • dns1.swizzonic.ch
  • dns2.swizzonic.ch
MX
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 20 alt2.aspmx.l.google.com
  • 30 alt3.aspmx.l.google.com
  • 30 alt4.aspmx.l.google.com
TXT
Show 5 TXT records
  • linkedin-site-verification=a7793047-d4da-462d-b38c-8b685323101a
  • 5vuaihd8k9mai9qk2v7dt53bf
  • schoology-domain-verification=ebcaa894e8c40b17170ce03c712f09ddeaf8d7de689eb240d3581d0fb1162713
  • r0f9bfpgear7vupt4i9pn7rlt9
  • Z9tMVnJGjLpMqhOeY2Z4CN4ZtNyPL+czgvZAr008Ks8Xw42I/RfUnG1MuSf+ePKsbsH8Ph6p+nZi/t46vT1Npw==
Verified for
  • Apple
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 ip4:213.193.97.18 include:_spf.google.com include:outboundmail.blackbaud.net include:ne16.com include:spf.abacuscity.ch -all
strict (-all)
DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:dmarc_agg@vali.email,mailto:mailman@iszl.ch;ruf=mailto:mailman@iszl.ch;
policy: reject (enforced)
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCjFT8m9uAJnkWHk7sJsCb2nMnYPg4Axh9F0tHgOK318RoEGb72fNe3F90yDEDOGk4HlFqTKVXEWv8WhPtGAP…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuNqS7qm8ao7/iX08rMuDtNZ4i5ZFbEcaA538w89FLd3+raqZ71/rrncGFLmHF+7Hn8El+bvmlbiwvj7kdd…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAk3d6UUK372q7UYDdIeW3s3Hh+70tyeNppeSA32syyFYUA4j0ciW4QfylMXKORyb2XFpeqMQtxuWP4YV5kc…
selectors probed

Certificate (current)

E8
from 2026-04-06 to 2026-07-05
Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.iszl.ch/

present
  • strict-transport-security
  • x-content-type-options
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=7200; includeSubDomains

Links to (9)

Linked from (1)