udl.cat

Observed Jul 18, 2026, 13:56 UTC (14h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onEntidad Publica Empresarial Red.es

Email byMicrosoft 365

Secured byHellenic Academic and Research Institutions CA

Also usesGoogle Search ConsoleAtlassian

1 subdomain · tranco_40k

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

INFRASTRUCTURE MAPwhat udl.cat actually stands on - every host below is a signed observation

udl.cat

A / AAAA

193.144.10.141

Entidad Publica Empresarial Red.esserves the site

sun.rediris.eschico.rediris.esgardeny.udl.esmarraco.udl.es

rediris.es + udl.esanswers its DNS

udl-cat.mail.protection.outlook.com

Microsoft 365receives its email

TLS

www.udl.cat

Hellenic Academic and Research Institutions CAissued its certificate

DNS Records

A 1

193.144.10.141

MX 1

0udl-cat.mail.protection.outlook.com

TXT 6

google-site-verification=IYWKtfKhUF81T2NgWaVnIFXZy6TtC_yNSTEnB5rh2VY
google-site-verification=WS-Qs82FHQY4mgxx1EUtX1JQE6aEqs-CIB1JWxewMgo
atlassian-domain-verification=9fsh4a9OBG6LblRRrQ6/bKIigE6k0CTYRMPsn3swWkI/Ogb45nB6jtbBUD/Xlwgn
v=spf1 mx ptr a:relayout.udl.cat a:relayout01.udl.cat a:relayout02.udl.cat a:peguera.xs.csuc.cat a:gabarro.xs.csuc.cat include:spf.sendinblue.com include:spf.protection.outlook.com include:spf.ipzmarketing.com -all
HARICA-bLiQBzy5qnpcgB8ZVq8
v=DMARC1;p=none;rua=mailto:dmarc.sic.opinfra@udl.cat;

NS 4

sun.rediris.es
chico.rediris.es
gardeny.udl.es
marraco.udl.es

SOA 1

gardeny.udl.es root.udl.cat

TLS Certificates (3)

Common Name	Issuer	Expires
`www.udl.cat`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS ECC 1	Thu, 10 Dec 2026 12:15:10 +0000
`GEANT TLS ECC 1`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=HARICA TLS ECC Root CA 2021	Sat, 31 Dec 2039 11:14:20 +0000
`HARICA TLS ECC Root CA 2021`	C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions ECC RootCA 2015	Fri, 31 Aug 2029 07:44:36 +0000

Subdomains (1)

www.udl.cat

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 udl.cat. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: f3644ce7-c0d0-42a6-abec-518882453833
Output Hash: f90603888863ffc211c2db44efd30b39a0d16a270cbc97c0fe8cf5f71970ca5c
Signature: ed25519:51f398d541f346292185f396c73d2dfbccf52adbf3cf69b384b1d3da52ab1c194417ac6aee0b5cef282c489d501208f8b2939b58d0abc99a5553db13a1e7030d
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/udl.cat