CONTINUOUS INTERNET TELEMETRY24H DRIFT2,064 material changesacross 1,859 domains · -487 vs yesterdayDNS DRIFT12 domains changed DNS providertop destination afternic.com · -4 vs yesterdayEMAIL DRIFT6 domains switched email providertop destination google.com · +1 vs yesterdayCERT DRIFT1 domains switched issuing CA24h · -4 vs yesterdayNOW3,394 curated domains not answeringlast probe, steadyERRORS10,895 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,064 material changesacross 1,859 domains · -487 vs yesterdayDNS DRIFT12 domains changed DNS providertop destination afternic.com · -4 vs yesterdayEMAIL DRIFT6 domains switched email providertop destination google.com · +1 vs yesterdayCERT DRIFT1 domains switched issuing CA24h · -4 vs yesterdayNOW3,394 curated domains not answeringlast probe, steadyERRORS10,895 responded with an errorlast probe · 5xx / 404 / 429 / 403

um.dk

Observed 2026-07-13T10:07:19.607Z (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Also usesFacebook/Meta
IPv6 · 96 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat um.dk actually stands on - every host below is a signed observation
um.dk
A / AAAA
104.18.22.161104.18.23.1612606:4700::6812:17a12606:4700::6812:16a1
Cloudflareserves the site
NS
kobe.ns.cloudflare.commaleah.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mx03.um.dkmx02.um.dkmx01.um.dkmx04.um.dk
um.dkreceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time229 ms
DNS resolutionNOERROR
MCP This domain advertises an AI service endpoint at _mcp._tcp.
v=spf1 -all

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

  • 104.18.22.161
  • 104.18.23.161

AAAA 2

  • 2606:4700::6812:17a1
  • 2606:4700::6812:16a1

MX 4

  • 10mx03.um.dk
  • 10mx02.um.dk
  • 10mx01.um.dk
  • 10mx04.um.dk

TXT 11

  • LGM/qz1g32FKjPRXGL20iM3uyXBJALRPVgvAX8LzI44bECPP+PW+HlacslgD/UK4jXjNgA+ygt/eOE1lH18DdA==
  • apple-domain-verification=dzYgsqOdWEDFoBYs
  • v=spf1 ip4:91.198.204.125 ip4:91.198.204.126 ip4:91.198.204.72 ip4:91.198.204.85 ip4:91.198.204.92 ip4:91.198.204.93 ip4:185.163.189.63 include:_spf.sitnet.dk mx ~all
  • EwX8MsxrLQ0hfICJSBys/9P48hjQpP0qocsyYYhIv4wm6UmLPtvW/Q2ZJhGwefCn9/vRWcdQ4ngN+zQwxV7AVQ==
  • facebook-domain-verification=fmsoqh36eh28q2yzxbhqivu0s8zyj7
  • 5c1ZN59F2LwOOW3NVhi/EtW2stOBltscIenTxkDFsgw=
  • OqhjGaW3IlUlpNy9IUTg
  • v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:dmarcreports@um.dk,mailto:tcod1eh2@ag.eu.dmarcadvisor.com; ruf=mailto:dmarcreports@um.dk
  • v=DKIM1; (detected)
  • v=spf1 -all

NS 2

  • kobe.ns.cloudflare.com
  • maleah.ns.cloudflare.com

SOA 1

  • kobe.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (96)

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

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

Ed25519 Receipt

Receipt ID
84d66dd7-3bdf-45ff-bae6-4b705b62e6c2
Output Hash
008912d6ee0d3dcace0b1f1f8b7f6180af72b6989d98dbc4660391c7eb37416d
Signature
ed25519:2a3140816bd841f4ad9e887afff4c76497ebd7fab1c550cdcf0129e4a8a9d0432304ba70f3dcf79c529375cedfafefe011e7dec9e292cc2d4b12b117d0ce7002
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser