utwente.io

Observed Jul 25, 2026, 15:06 UTC (8d 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.

Verify this receipt yourself + Watch this domain

Up right now

Secured byLet's Encrypt

IPv6 · 1 subdomain · tranco

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat utwente.io actually stands on - every host below is a signed observation

utwente.io

A / AAAA

130.89.149.1702001:67c:2564:a120::170

2001serves the site

ns4.snt.utwente.nlns5.snt.utwente.nlns6.snt.utwente.nl

utwente.nlanswers its DNS

mx.snt.utwente.nl

utwente.nlreceives its email

TLS

matrix.snt.utwente.nl

Let's Encryptissued its certificate

DNS Records

A 1

130.89.149.170

AAAA 1

2001:67c:2564:a120::170

MX 1

10mx.snt.utwente.nl

TXT 2

v=spf1 ip4:78.47.159.90 ip6:2a01:4f8:1c17:4a8b::1 -all
v=DMARC1; p=reject; sp=reject

NS 3

ns4.snt.utwente.nl
ns5.snt.utwente.nl
ns6.snt.utwente.nl

SOA 1

ns4.snt.utwente.nl syscom.snt.utwente.nl

CAA 1

issue "letsencrypt.org"

TLS Certificates (3)

Common Name	Issuer	Expires
`matrix.snt.utwente.nl`	C=US, O=Let's Encrypt, CN=YR1	Wed, 14 Oct 2026 20:37:06 +0000
`YR1`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

matrix.utwente.io

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 utwente.io. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_3d8682008533b660
Output Hash: 00b9782f63c137a621955f3ae9e1545de1813a180ae7fa7c024260f57f6353d4
Signature: ed25519:bfec0eb3f1e6786d07a2d62b5993b6cbc01c13f1c37a9cc25499cdfa83fb8fa82d22914a4c6a0498536478ad7685d7f60d79954aa8dffddcff1f5e2885221d09
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/utwente.io