CONTINUOUS INTERNET TELEMETRY24H DRIFT13,351 material changesacross 10,622 domains · last 24hNOW540 curated domains not reachable+38 vs yesterdaySITE ERRORS35,025 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 154,089 sites429 rate-limit / 403 bot-block, a posture signal

duwo.nl

Observed Jul 29, 2026, 03:22 UTC (9h 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
Email byMicrosoft 365
Secured byLet's Encrypt
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat duwo.nl actually stands on - every host below is a signed observation
duwo.nl
A / AAAA
20.113.80.42
Cloudflareserves the site
NS
ns1.kpn.netns11.kpn.net
kpn.netanswers its DNS
MX
duwo-nl.mail.protection.outlook.com
Microsoft 365receives its email
TLS
duwo.nl
Let's Encryptissued its certificate

DNS Records

A 1

  • 20.113.80.42

MX 1

  • 5duwo-nl.mail.protection.outlook.com

TXT 6

  • MS=ms35821962
  • MS=ms71191792
  • Sendinblue-code:694922d072db0e33f90173a609a58d45
  • PyaJU5TXyusHzMm2Nk8fkOy0DKGJlfDSZd+KTJeccyPPkPK2sLZjLqXBYSl1XKpIZCrGWJjWvk3L1/MaCObvVQ==
  • v=spf1 mx include:spf.topdesk.net include:spf.protection.outlook.com include:_spf.axxerion.com include:_spf.duwo.nl include:spf.sendinblue.com include:spf.afas.online include:_spf1.solvinity.com include:_spf2.solvinity.com include:relays.beveiligdmailen.nl -all
  • v=DMARC1; p=quarantine; rua=mailto:dmarc@duwo.nl; ruf=mailto:dmarc@duwo.nl;

NS 2

  • ns1.kpn.net
  • ns11.kpn.net

SOA 1

  • ns1.kpn.net zonemaster.kpn.com

TLS Certificates (4)

Common NameIssuerExpires
duwo.nl C=US, O=Let's Encrypt, CN=YE1 Wed, 14 Oct 2026 11:34:07 +0000
YE1 C=US, O=ISRG, CN=Root YE Sat, 02 Sep 2028 23:59:59 +0000
Root YE C=US, O=Internet Security Research Group, CN=ISRG Root X2 Thu, 02 Sep 2032 23:59:59 +0000
ISRG Root X2 C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (0)

None observed.

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 duwo.nl. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_6914150607d3701e
Output Hash
e1b2131dda0741ff407487b5f1eb1d1045715dab9fb644582f598b49eb48f8fc
Signature
ed25519:c20f16c1b00481b50926c57348b5449858312bb472795c31552fdd933dcd58875e5d5d309f43351140560b53abb1c4d10c053bf1daddd145f091cb4adf1b0204
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser