csc.fi

Observed Jul 24, 2026, 01:53 UTC (8h 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

Email byZendesk

Secured byLet's Encrypt

IPv6 · 1 subdomain · tranco_100k

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

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

csc.fi

A / AAAA

95.216.46.3295.216.46.332a01:4f9:2a:2c5f::22a01:4f9:2a:2c5e::2

2a01serves the site

ns.funet.fins1.z.fins2.z.fins2.funet.fi+1 more

funet.fi + z.fianswers its DNS

smtp.csc.fismtp1.csc.fi

Zendeskreceives its email

TLS

csc.fi

Let's Encryptissued its certificate

DNS Records

A 2

95.216.46.32
95.216.46.33

AAAA 2

2a01:4f9:2a:2c5f::2
2a01:4f9:2a:2c5e::2

MX 2

10smtp.csc.fi
10smtp1.csc.fi

TXT 3

jamf-site-verification=D7PsVYxJRL0f-bda1_kpXg
v=spf1 mx a:smtp.sdn.csc.fi a:securemail.csc.fi a:piletti.eventilla.com include:mail.zendesk.com include:mail.webropolsurveys.com include:spf.lianamailer.com ~all
v=DMARC1; p=quarantine; sp=quarantine; aspf=r; adkim=r; rua=mailto:dmarc-rua@csc.fi

NS 5

ns.funet.fi
ns1.z.fi
ns2.z.fi
ns2.funet.fi
ns-secondary.funet.fi

SOA 1

ns.funet.fi hostmaster.funet.fi

SRV 2

xat.csc.fi:5222 p5
xat.csc.fi:5269 p5

TLS Certificates (4)

Common Name	Issuer	Expires
`csc.fi`	C=US, O=Let's Encrypt, CN=YE2	Tue, 22 Sep 2026 03:07:39 +0000
`YE2`	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 (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_ab9e690eb38350e9
Output Hash: 2497db7f36a2bf3b9747ce5462efdb124aa5566e21dc206f025befa5b109230e
Signature: ed25519:afae8943d422b7895baa4e4ab5403b81300edf9de3025bdb1df807478c3c20d2705efa5182492425e5c2ad3872b7c7858c66b5f4474eaa518f30e798f7d3ef02
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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