upsaclay.fr

Observed Jul 24, 2026, 20:38 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

Not responding

Signed observation on record.

tranco

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

INFRASTRUCTURE MAPwhat upsaclay.fr actually stands on - every host below is a signed observation

upsaclay.fr

A / AAAA

217.70.184.38

unattributedserves the site

dns2.u-psud.frext.upsaclay.netdns1.u-psud.fr

u-psud.fr + upsaclay.netanswers its DNS

mx2.u-psud.frmx1.u-psud.fr

u-psud.frreceives its email

DNS Records

A 1

217.70.184.38

MX 2

10mx2.u-psud.fr
10mx1.u-psud.fr

TXT 4

HARICA-KudNtaQLZ14EjiqG5cP
HARICA-v3YmPqL91UOUJxPuzzt
v=spf1 mx ip4:129.175.213.0/25 ip4:129.175.213.128/32 ip4:129.175.212.64/29 include:spf.protection.outlook.com ~all
v=DMARC1; p=quarantine; rua=mailto:dmarc-report@upsaclay.fr; ruf=mailto:dmarc-report@upsaclay.fr; fo=1; adkim=r; aspf=r

NS 3

dns2.u-psud.fr
ext.upsaclay.net
dns1.u-psud.fr

SOA 1

dns1.u-psud.fr dns.u-psud.fr

TLS Certificates (0)

None.

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 upsaclay.fr. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_def8611e0c2d3fd8
Output Hash: 9844946a7093e89c6ecd59ff419a4d3543274d533496e5b7d38de313c5a0f69e
Signature: ed25519:d950348b2fab78ac975de427083ae9b49c6e25386e47020346d8695ebe37cc9a368060fdfb6603a2940032227113209b345953825657bf6215393d7a72cce90b
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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