rundetaarn.dk

Observed Jul 25, 2026, 12:25 UTC (6d 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 · tranco

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

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

rundetaarn.dk

A / AAAA

93.191.156.84

unattributedserves the site

ns1.simply.comns2.simply.comns3.simply.comns4.simply.com

simply.comanswers its DNS

rundetaarn-dk.mail.protection.outlook.commx.simply.com

Microsoft 365receives its email

TLS

rundetaarn.dk

Let's Encryptissued its certificate

DNS Records

A 1

93.191.156.84

MX 2

0rundetaarn-dk.mail.protection.outlook.com
10mx.simply.com

TXT 4

v=spf1 include:spf.protection.outlook.com -all
google-site-verification=0hO6QwxwLxdIgdxuLW72FBI3KcPmVQYWeYZoNmx1294
google-site-verification=s4mddS7k6P9NaUmkn_91eA_K7L04y8ZSUkQm-AwfVPg
v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

NS 4

ns1.simply.com
ns2.simply.com
ns3.simply.com
ns4.simply.com

SOA 1

ns1.simply.com hostmaster.simply.com

SRV 1

maildiscover.simply.com:443 p10

TLS Certificates (3)

Common Name	Issuer	Expires
`rundetaarn.dk`	C=US, O=Let's Encrypt, CN=YR1	Thu, 08 Oct 2026 06:19:20 +0000
`YR1`	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 (1)

www.rundetaarn.dk

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

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

Ed25519 Receipt

Receipt ID: rcpt_aab713dbf0382ceb
Output Hash: f972b1068629bc640c1ec403cec7fafdaab91d8958f912a07e2270d8980cb918
Signature: ed25519:7ca0680cb154969cfad3d3ef51b64d317731bd1aca4ca7d6f0f3cee78095c5dd7855fadec6a005afcde3952af4d8de5b880dbce9d83d9952b155ea228678bf03
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/rundetaarn.dk