CONTINUOUS INTERNET TELEMETRY24H DRIFT39,355 material changesacross 37,705 domains · 24h to ~3h ago · -1,505 vs yesterdayNOW555 curated domains not reachablelast probe, steadySITE ERRORS34,565 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,805 sites429 rate-limit / 403 bot-block, a posture signal

vis.ac.at

Observed Jul 26, 2026, 09:06 UTC (7d 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 byDigiCert
Also usesGoogle Search Console
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat vis.ac.at actually stands on - every host below is a signed observation
vis.ac.at
A / AAAA
213.143.122.71
unattributedserves the site
NS
ns1.osm.snt-online.atns.vis.ac.at
snt-online.at + ac.atanswers its DNS
MX
vis-ac-at.mail.protection.outlook.com
Microsoft 365receives its email
TLS
*.vis.ac.at
DigiCert Incissued its certificate

DNS Records

A 1

  • 213.143.122.71

MX 1

  • 10vis-ac-at.mail.protection.outlook.com

TXT 8

  • v=spf1 ip4:213.143.122.66 ip4:213.143.122.74 ip4:213.143.122.78 include:spf.protection.outlook.com include:alumnforce.org ?all
  • apple-domain-verification=gFof6epadw0AzAJY
  • cisco-ci-domain-verification=210f9623ff20920168190d92bbbe37105cfa755fa74e26612b911df5e5bd597d
  • google-site-verification=7G5hcy5UWhMx0lWLjwJnwN3D-CY_2Z7JDtnvKLz5hB4
  • Vienna International School
  • cisco-ci-domain-verification=21956e6f457195c08389900193318f5d046e9256bbe606afe3ad0da1fac70caf
  • cisco-ci-domain-verification=57d9e9ef9fcfff0bc30e779a10f22ad8d82fe36d7c82e86d89f2514bf12ee442
  • v=DMARC1; p=none; rua=mailto:dmarc@69zgkhe6.uriports.com, mailto:dmarc@vis.ac.at; ruf=mailto:dmarc@69zgkhe6.uriports.com; fo=1:d:s

NS 2

  • ns1.osm.snt-online.at
  • ns.vis.ac.at

SOA 1

  • ns.vis.ac.at root.vis.ac.at

TLS Certificates (2)

Common NameIssuerExpires
*.vis.ac.at C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=GeoTrust TLS RSA CA G1 Thu, 21 Jan 2027 23:59:59 +0000
GeoTrust TLS RSA CA G1 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 Tue, 02 Nov 2027 12:23:37 +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 vis.ac.at. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_c838e9790dd829cf
Output Hash
cbe05e97d8cdfedd25fcbd9b873d25a58c66f7da01ad4d93270b7bc8cfcd39e9
Signature
ed25519:76e45b9a06dfa5adeef31a850541d98568d129cc827d8def7340d5535db3a2bcfcaef182d0cf4180ba0445a657b674509b7a6d4df9edc7b69e258d3e1f341a06
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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