duf.dk

Observed Jul 29, 2026, 07:18 UTC (9h 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 byMicrosoft 365

Secured byLet's Encrypt

Also usesGoogle Search Console

1 subdomain · majestic

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

INFRASTRUCTURE MAPwhat duf.dk actually stands on - every host below is a signed observation

duf.dk

A / AAAA

185.21.40.46

unattributedserves the site

ns1.curanet.dkns2.curanet.dk

curanet.dkanswers its DNS

duf-dk.mail.protection.outlook.com

Microsoft 365receives its email

TLS

duf.dk

Let's Encryptissued its certificate

DNS Records

A 1

185.21.40.46

MX 1

0duf-dk.mail.protection.outlook.com

TXT 10

MS=ms70061798
1ppzs6ckmtpyn3ynzh2wcdrd9rdmg0x5
klaviyo-site-verification=V9cAZ4
apple-domain-verification=FCB0MfyaN9YjvQU1
openai-domain-verification=dv-SZw3rf9xgbD1Ly4JUyqNgoLz
google-site-verification=pWtYPnDwOFDwFo5sO3EirAeu9XTbD79TAlJ0svpuMbk
v=spf1 include:spf.protection.outlook.com include:spfrerouting.xink.io ip4:94.137.135.220 ip4:94.137.135.221 ip4:87.116.2.93 ip4:178.72.21.186 ip4:178.72.21.222 include:spf.mandrillapp.com include:web.shared.mysmtp.com -all
v=DMARC1; p=reject; rua=mailto:kw4mtjma@ag.eu.dmarcian.com; ruf=mailto:kw4mtjma@fr.eu.dmarcian.com; fo=1;
v=spf1 redirect=duf.dk
v=spf1 redirect=duf.dk

NS 2

ns1.curanet.dk
ns2.curanet.dk

SOA 1

ns1.curanet.dk hostmaster.curanet.dk

TLS Certificates (3)

Common Name	Issuer	Expires
`duf.dk`	C=US, O=Let's Encrypt, CN=YR2	Mon, 31 Aug 2026 11:08:05 +0000
`YR2`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (2)

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 duf.dk. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_fd4a1a014fa959a3
Output Hash: fb242b42ca7955b729aa44c60f9a89d68c26aa091cc52493b4a9e3aeb919d338
Signature: ed25519:35fbbbf92c5a408498e65d3c27a8bf94cac89f68cde6ae666dd23f44d90412e91b7078432bcfade10a5dc09ec229598c7698ffb59d4187e9e33eafe0ea89590c
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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