CONTINUOUS INTERNET TELEMETRY24H DRIFT5,057 material changesacross 4,898 domains · last 24h · -3,777 vs yesterdayDNS DRIFT146 domains changed DNS providertop destination cloudflare.com · -131 vs yesterdayEMAIL DRIFT34 domains switched email providertop destination outlook.com · -20 vs yesterdayCERT DRIFT50 domains switched issuing CA24h · -23 vs yesterdayNOW487 curated domains not reachable-70 vs yesterdaySITE ERRORS34,104 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 144,759 sites429 rate-limit / 403 bot-block, a posture signal

refdag.nl

Observed Jul 28, 2026, 00:43 UTC (15h 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.

Up right now
Email byMicrosoft 365
Secured byLet's Encrypt
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat refdag.nl actually stands on - every host below is a signed observation
refdag.nl
A / AAAA
188.166.135.27
unattributedserves the site
NS
ns0.transip.netns1.transip.nlns2.transip.eu
transip.net + transip.nl + moreanswers its DNS
MX
refdag-nl.mail.protection.outlook.com
Microsoft 365receives its email
TLS
refdag.nl
Let's Encryptissued its certificate

DNS Records

A 1

  • 188.166.135.27

MX 1

  • 5refdag-nl.mail.protection.outlook.com

TXT 13

  • MS=ms31846136
  • v=spf1 include:_spf.erdee.nl ~all
  • hibp-verify=dweb_hhnzzliwj12fskrcar79ztti
  • 9f7feeab5834b737452f2de21ad6a9e8 - KnowBe4
  • apple-domain-verification=lp7JyPz8pMf89puH
  • jamf-site-verification=1mt-5XGXLLtMVNig-WhDdQ
  • google-site-verification=8Dep22CEFKlXZ3vQwKUWuqntuCmYJJAhAtULGBHoDso
  • google-site-verification=CKeKejtmaJH9K6aHC-gK_guFos0prTfX50Z9msKE3ic
  • google-site-verification=OPrdeVKDdNANx_Jtw13lCkqs-P__twjGuicItPqFuAI
  • google-site-verification=yqjSEMV4G7_XK_v4PCl7t5oXBpoZjaVzMPPhiU9IHLQ

NS 3

  • ns0.transip.net
  • ns1.transip.nl
  • ns2.transip.eu

SOA 1

  • ns0.transip.net hostmaster.transip.nl

TLS Certificates (3)

Common NameIssuerExpires
refdag.nl C=US, O=Let's Encrypt, CN=YR1 Sun, 20 Sep 2026 05:36:39 +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 (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 refdag.nl. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_b200a2b81d0e6a8b
Output Hash
0cce7240567b835fecd8e8fe4ae8959c77c54d7440f3834c985c61673aef85ec
Signature
ed25519:f029a2148ac47ae6eacb676db9bb2cfd45b85b33a69ca6a1b62bf76998f41aec513a0dfd7f71c620f4aa8004b3de3730170676b0340de4537387d6bd6e0f210d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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