lut.fi

Observed Jul 22, 2026, 00:36 UTC (30m ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Secured byLet's Encrypt

Also usesGoogle Search ConsoleFacebook/MetaAtlassian

tranco_40k

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

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

lut.fi

A / AAAA

104.21.40.63172.67.178.12

Cloudflareserves the site

nse2.lut.finse1.lut.fins-secondary.funet.fi

lut.fi + funet.fianswers its DNS

mailgw.lut.fi

lut.fireceives its email

TLS

lut.fi

Let's Encryptissued its certificate

DNS Records

A 2

104.21.40.63
172.67.178.12

MX 1

10mailgw.lut.fi

TXT 11

v=spf1 ip4:157.24.0.0/17 ip4:157.24.134.30 ip4:157.24.132.51 ip4:87.108.45.135 ip4:95.175.113.181 ip4:193.166.65.150 ip4:168.245.22.106 ip4:168.245.23.37 ip4:168.245.61.128 ip4:168.245.125.167 ip4:77.237.55.133 ip4:193.166.69.20 ip4:193.166.69.21 ip4:157.24.128.90 ip4:149.72.159.176 ip4:193.166.72.21 include:mail.webropolsurveys.com include:_spf.lyyti.fi include:_spf.createsend.com include:spf.protection.outlook.com include:spf-eu.exlibrisgroup.com ~all
MS=ms73651618
autodesk-domain-verification=c67Gnp0c9JnnIQqKr2rD
apple-domain-verification=YLw6PiJQYedHx8xS
Lappeenranta University of Technology, Finland
google-site-verification=PVEfdFDTe2Oq6d7PRknob_fhvMerGOcLdzWwE1KRbGc
facebook-domain-verification=u5x5vlf99kqa3cg6bmsjm2b9v7qf6l
tDoVhWvNJN4HuiT5+06ZbOnF/GJKIsH/3TI8niR0V/bT9F8uKyD/A0r59ll7CfBh9M+QeqjC8GMXy3OPW4zIfA==
atlassian-domain-verification=XeWJIkJeG9m0h4lkymYu/k0PsKyIyu7gdBjU6WsoILiIQycZk/Phyotpk0hE6zVL
HARICA-4Md4Db6QgCVLORvqNFW

NS 3

nse2.lut.fi
nse1.lut.fi
ns-secondary.funet.fi

SOA 1

nse1.lut.fi hostmaster.lut.fi

TLS Certificates (2)

Common Name	Issuer	Expires
`lut.fi`	C=US, O=Let's Encrypt, CN=E8	Wed, 26 Aug 2026 04:17:54 +0000
`E8`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Fri, 12 Mar 2027 23:59:59 +0000

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

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

Ed25519 Receipt

Receipt ID: rcpt_eb99b8cc3e215ba3
Output Hash: d69d19b3c5c798c51e079eb71dcc9ebb7215dc8114454764c1672bf2827d7a0b
Signature: ed25519:4614294359022e1770f7807f9c4c3dd778fb11b2a20008837e4994cfe9f894a458bd532d1a1342db02b99b693e61e8784793347beedf15f1b4ff6cca28b04a06
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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