CONTINUOUS INTERNET TELEMETRY24H DRIFT43,326 material changesacross 39,659 domains · 24h to ~2h ago · +8,920 vs yesterdayROTATION55 domains moved DNS from koaladns.com to magpiedns.com, 53 moved backa rotation loop, not a migration · 24hNOW608 curated domains not reachablelast probe, steadySITE ERRORS34,173 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,832 sites429 rate-limit / 403 bot-block, a posture signal

hva.nl

Observed Aug 3, 2026, 00:37 UTC (7d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of hva.nl was taken 7d ago

hva.nl is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting hva.nl under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

Watch hva.nl Watching a domain needs a DRM3 account. The reading above stays free and public either way.
Verify this receipt yourself + Watch this domain
Up right now
Runs onCloudflare
Email byMicrosoft 365
Secured bySectigo
Also usesMiroFacebook/MetaGoogle Search ConsoleAtlassian
5 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat hva.nl actually stands on - every host below is a signed observation
hva.nl
A / AAAA
20.52.41.13
Cloudflareserves the site
NS
ns1.uha.nlns1.zurich.surf.netns2.uha.nlns3.surfnet.nl
uha.nl + surf.net + moreanswers its DNS
MX
hva-nl.u-v1.mx.microsoft
Microsoft 365receives its email
TLS
www.hva.nl
Sectigo Limitedissued its certificate

DNS Records

A 1

  • 20.52.41.13

MX 1

  • 10hva-nl.u-v1.mx.microsoft

TXT 15

  • HARICA-1rfPayHOYmVTHt17Dpp
  • 0c27d497b90c4e769b6efb288b34288c
  • Stichting Hogeschool van Amsterdam
  • amazonses:wGj51dZb6dYw+oP6WF0hS48sHhFSNnHJJgCR+K1uAyw=
  • d365mktkey=5wj9e0QyySU79RtN6nHoRKFPmnMlUvLovOinMzlZ7WEx
  • miro-verification=dc2443c0d5142e13cdd7d8c420778db32011b401
  • facebook-domain-verification=icm8ihcrhbsrh93m1tlzbs2v3fo96u
  • google-site-verification=cZEyN075jw-2HLK-vE3NEDOmv1vJCfZz6A2YuiQvSm4
  • pardot546172=39ae21828e410cb7ae4c43ea74aabd360517bd5a0f167dc1800be470d42bdab5
  • chenimgvhtndsc6qogwyuderx8suv2vticsracq8kpi/lfzuarqxxuc67c/2eodutklv1lf2myyo9br7nj8tmg==

NS 4

  • ns1.uha.nl
  • ns1.zurich.surf.net
  • ns2.uha.nl
  • ns3.surfnet.nl

SOA 1

  • ns1.uha.nl hostmaster.uva.nl

CAA 4

  • iodef "mailto:scs-ra@hva.nl"
  • issue "harica.gr"
  • issue "sectigo.com"
  • issuewild ""

DMARC_RECORDS 1

  • v=DMARC1; p=reject; pct=100; rua=mailto:dmarcreports@uva.nl

TLS Certificates (3)

Common NameIssuerExpires
www.hva.nl C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA EV R36 Thu, 10 Dec 2026 23:59:59 +0000
Sectigo Public Server Authentication CA EV R36 C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 Fri, 21 Mar 2036 23:59:59 +0000
Sectigo Public Server Authentication Root R46 C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority Mon, 18 Jan 2038 23:59:59 +0000

Subdomains (5)

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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_5f7a10a6ffc71baa
Output Hash
d5156f5262ca2bddace35b110f552a5a00331ccbe423a86f451be9bc3d52eed7
Signature
ed25519:e983cad7dea68107ba6c0a397219aa153f946db20fe5cea679362bc41c7270d63e3e5b1501059895d26570c9aa9978c91cc1921cff41d940a17b523ae5403f0c
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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