CONTINUOUS INTERNET TELEMETRY24H DRIFT2,861 material changesacross 2,518 domains · -537 vs yesterdayDNS DRIFT21 domains changed DNS providertop destination cloudflare.com · -6 vs yesterdayEMAIL DRIFT4 domains switched email providertop destination reyrey.com · -2 vs yesterdayCERT DRIFT7 domains switched issuing CA24hNOW3,306 curated domains not answering-6,412 vs yesterdayERRORS10,966 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,861 material changesacross 2,518 domains · -537 vs yesterdayDNS DRIFT21 domains changed DNS providertop destination cloudflare.com · -6 vs yesterdayEMAIL DRIFT4 domains switched email providertop destination reyrey.com · -2 vs yesterdayCERT DRIFT7 domains switched issuing CA24hNOW3,306 curated domains not answering-6,412 vs yesterdayERRORS10,966 responded with an errorlast probe · 5xx / 404 / 429 / 403

schulserver.de

Observed 2026-07-12T08:53:14.613Z (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
IPv6 · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat schulserver.de actually stands on - every host below is a signed observation
schulserver.de
A / AAAA
116.203.134.1792a01:4f8:c2c:2834::1
Cloudflareserves the site
NS
ns4.iserv.euns2.iserv.euns1.iserv.euns3.iserv.eu
iserv.euanswers its DNS
MX
offline.iserv.euschulserver.de
iserv.eu + schulserver.dereceives its email

HTTPS probe

redirect Redirecting (3xx) 302 → https://schulserver.de/iserv
HTTP status302
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time174 ms
DNS resolutionNOERROR
Redirect chain
https://schulserver.de/iserv

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

DNS Records

A 1

  • 116.203.134.179

AAAA 1

  • 2a01:4f8:c2c:2834::1

MX 2

  • 50offline.iserv.eu
  • 10schulserver.de

TXT 2

  • apple-domain-verification=cz3o62yE5UHUTf32
  • v=spf1 a mx a:relay1.iserv.eu a:relay2.iserv.eu a:relay3.iserv.eu a:relaybs.iserv.eu ?all

NS 4

  • ns4.iserv.eu
  • ns2.iserv.eu
  • ns1.iserv.eu
  • ns3.iserv.eu

SOA 1

  • ns1.iserv.eu hostmaster.iserv.eu

CAA 2

  • issue letsencrypt.org
  • issuewild letsencrypt.org

TLS Certificates (0)

None.

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 schulserver.de. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
e075ea44-3ff5-47b0-8db9-bfddfd8d77af
Output Hash
99632632f01e6e150dcff82aa4f532f0c1a8a72cfd4d37af0fc6320ffdc5a3a1
Signature
ed25519:727b51343e7675948cc833c09e21c4c8cd9e4962bfc9625386989e5538824988246c55375713a32dc589e2bac5dbe01e6d40f1f97d663be51bfa9b8d96ff1400
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser