jyu.fi

Observed Jul 18, 2026, 13:09 UTC (20h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCSC - Tieteen tietotekniikan keskus Oy

Secured byHellenic Academic and Research Institutions CA

Also usesMiro

1 subdomain · tranco_20k

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

INFRASTRUCTURE MAPwhat jyu.fi actually stands on - every host below is a signed observation

jyu.fi

A / AAAA

130.234.6.163

CSC - Tieteen tietotekniikan keskus Oyserves the site

ns-secondary.funet.fiens2.jyu.fiens1.jyu.fi

funet.fi + jyu.fianswers its DNS

mailgw1.jyu.fimailgw2.jyu.fi

jyu.fireceives its email

TLS

jyu.fi

Hellenic Academic and Research Institutions CAissued its certificate

DNS Records

A 1

130.234.6.163

MX 2

10mailgw1.jyu.fi
10mailgw2.jyu.fi

TXT 11

Tel: +358 14 260 1211
Email: hostmaster@jyu.fi
dDQ6WC2y4HOQW285LntVL65mW7ylu6K9OAuYZkbSxOHoIJBj280UkvAM6YNTbd3hEWc1ym1tq5IXRpoz0JjiIg==
miro-verification=9f80e1ab3caf99536a546bc607c78ffd497b668b
work-accounts-domain-verification=w6stRZiB2nkVDwzdC6kaOki4FHUWdX
Fax: +358 14 260 1021
MS=ms74863035
v=spf1 include:_spf1.jyu.fi include:_spf2.jyu.fi ~all
All abuse issues to abuse@jyu.fi, please

NS 3

ns-secondary.funet.fi
ens2.jyu.fi
ens1.jyu.fi

SOA 1

ens.jyu.fi hostmaster.jyu.fi

CAA 8

issuewild "sectigo.com"
iodef "mailto:abuse@jyu.fi"
issuewild "digicert.com"
issue "sectigo.com"
issue "digicert.com"
issue "harica.gr"
issue "letsencrypt.org"
issuewild "harica.gr"

TLS Certificates (3)

Common Name	Issuer	Expires
`jyu.fi`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1	Thu, 26 Nov 2026 10:01:07 +0000
`GEANT TLS RSA 1`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=HARICA TLS RSA Root CA 2021	Sat, 31 Dec 2039 11:14:59 +0000
`HARICA TLS RSA Root CA 2021`	C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions RootCA 2015	Fri, 31 Aug 2029 07:41:54 +0000

Subdomains (1)

www.jyu.fi

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 jyu.fi. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: dda838e6-1456-4038-8008-0329c9423c4a
Output Hash: 906e5e508b4f7987165cd9a0e12a20087c8d4ffa5383f78e0b9024d72382085a
Signature: ed25519:50484ce4eb2b2a79e258a2fb374744e92c2001c589f2d69fa1e4ae9b1d76dcafc3c36ed70c0562aca2de90264df1af0cc401c5abe7847380b255583e12dce906
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/jyu.fi