xs4all.nl

.nl crawl dns

First seen 2026-05-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 10927 ms crawled 2026-05-17

US · 75.2.72.204 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: XS4ALL - First Class Internet
Description: XS4ALL First Class Internets, Televisie en Bellen. Voor veilig en betrouwbaar internet. Al jaren bekroond voor de allerbeste service.
Language: nl

Open Graph

url: https://www.xs4all.nl/
title: XS4ALL - First Class Internet
locale: nl_NL
site name: XS4ALL Klantenservice
description: XS4ALL First Class Internets, Televisie en Bellen. Voor veilig en betrouwbaar internet. Al jaren bekroond voor de allerbeste service.

Technology

CDN: Amazon CloudFront
Server: AmazonS3

Social

Contact

Phone

020 398 76 66

Registration

Registrar

KPN B.V.

Created

1994-08-07

Updated

2025-08-21

Name servers

ns1.kpn.net
ns11.kpn.net

DNS records live

NS

ns1.kpn.net
ns11.kpn.net

MX

10 mx.kpnmail.nl

TXT

google-site-verification=qHhbnr_ViPAAN13v4NQGHDYCfXwM__O6XS9NJFL1IRI
MS=B895DD98732F0DADE7D04A1E53DF0DECBFEF770F
google-site-verification=ixk8ILXv-df5AQBAbfJfXpu9EQUFYoHZwjAvpcG5tBE

Email authentication strong

SPF: v=spf1 include:spf.ews.kpnxchange.com ~all
softfail (~all)
DMARC: v=DMARC1; p=reject; adkim=r; aspf=r; rua=mailto:dmarc@kpnmail.nl
policy: reject (enforced)
DKIM: no key found at common selectors

Certificate (current)

Amazon ECDSA 256 M04

from 2025-07-01 to 2026-07-31

Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.xs4all.nl/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy

findings

CSP uses wildcard sources
missing Permissions Policy

Header values

referrer-policy: same-origin
x-frame-options: DENY
x-content-type-options: nosniff
content-security-policy: default-src 'self' *.kpn.com; script-src 'self' cdn.blueconic.net kpn.blueconic.net assets.adobedtm.com *.kpn.com; style-src 'self'; img-src 'self'; font-src 'self'; connect-src 'self' kpn.blueconic.net; object-src 'self'
strict-transport-security: max-age= 63072000; includeSubdomains; preload