CONTINUOUS INTERNET TELEMETRY24H DRIFT7,043 material changesacross 6,631 domains · last 24h · -3,372 vs yesterdayDNS DRIFT437 domains changed DNS providertop destination cloudflare.com · -222 vs yesterdayEMAIL DRIFT104 domains switched email providertop destination google.com · -63 vs yesterdayCERT DRIFT145 domains switched issuing CA24h · -74 vs yesterdayNOW480 curated domains not reachable-223 vs yesterdaySITE ERRORS17,395 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 96,734 sites429 rate-limit / 403 bot-block, a posture signal

xs4all.nl

Observed Jul 24, 2026, 07:04 UTC (1h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Up right now
Runs onCloudflare
Registered toKoninklijke KPN N.V
Registered withKPN B.V.
Also usesGoogle Search Console
IPv6 · 12 subdomains · tranco_10k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat xs4all.nl actually stands on - every host below is a signed observation
xs4all.nl
A / AAAA
99.83.136.15575.2.72.2042600:9000:a504:9080:40c0:d138:ca59:2e3d2600:9000:a400:dede:1a1c:a23f:9ae6:7bbc
Cloudflareserves the site
NS
ns1.kpn.netns11.kpn.net
kpn.netanswers its DNS
MX
mx.kpnmail.nl
kpnmail.nlreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.xs4all.nl:443/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time1669 ms
DNS resolutionNOERROR
Redirect chain
https://www.xs4all.nl:443/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

  • 99.83.136.155
  • 75.2.72.204

AAAA 2

  • 2600:9000:a504:9080:40c0:d138:ca59:2e3d
  • 2600:9000:a400:dede:1a1c:a23f:9ae6:7bbc

MX 1

  • 10mx.kpnmail.nl

TXT 6

  • v=spf1 include:spf.ews.kpnxchange.com ~all
  • google-site-verification=ixk8ILXv-df5AQBAbfJfXpu9EQUFYoHZwjAvpcG5tBE
  • MS=B895DD98732F0DADE7D04A1E53DF0DECBFEF770F
  • google-site-verification=qHhbnr_ViPAAN13v4NQGHDYCfXwM__O6XS9NJFL1IRI
  • v=DMARC1; p=reject; adkim=r; aspf=r; rua=mailto:dmarc@kpnmail.nl
  • v=DNSSEC1; (detected)

NS 2

  • ns1.kpn.net
  • ns11.kpn.net

SOA 1

  • ns1.kpn.net zonemaster.kpn.com

CAA 6

  • issue amazonaws.com
  • issue sectigo.com
  • issuewild letsencrypt.org
  • issue letsencrypt.org
  • issue comodoca.com
  • issuewild sectigo.com

TLS Certificates (0)

None.

Subdomains (12)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for xs4all.nl. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for xs4all.nl <a href="https://domaindrift.io/t/xs4all.nl"> <img src="https://domaindrift.io/badge/xs4all.nl.svg" width="300" height="64" alt="DomainDrift signed observations for xs4all.nl"> </a>

Ed25519 Receipt

Receipt ID
rcpt_9de6211d25ab1ad8
Output Hash
7c20324593cfaf5b120750c25854e2dbb2a7389958834285e0cca6a5a244804f
Signature
ed25519:e019b13336b76aa18e50f551f81e6ed57a2dd3905d2a50fad2d0a8a9581a0b9a179846331e919a62a9094215be15649f0d3b09eed4241326d6435b3d19d7820c
Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent
(genesis)
Plane
fast
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