CONTINUOUS INTERNET TELEMETRY24H DRIFT39,355 material changesacross 37,705 domains · 24h to ~2h ago · -1,505 vs yesterdayNOW554 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

zsl-server.de

Observed Jul 25, 2026, 10:29 UTC (8d 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.

Verify this receipt yourself + Watch this domain
Not responding
Signed observation on record.
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zsl-server.de actually stands on - every host below is a signed observation
zsl-server.de
NS
oxygen.ns.hetzner.comhelium.ns.hetzner.dehydrogen.ns.hetzner.com
hetzner.com + hetzner.deanswers its DNS
MX
mail.zsl-server.de
zsl-server.dereceives its email

DNS Records

MX 1

  • 10mail.zsl-server.de

TXT 5

  • v=spf1 a:otc-de-spf.mms.t-systems-service.com ~all
  • v=spf1 a:otc-de-spf.mms.t-systems-service.com ~all
  • v=spf1 a:otc-de-spf.mms.t-systems-service.com ~all
  • v=spf1 a:otc-de-spf.mms.t-systems-service.com ~all
  • v=spf1 a:otc-de-spf.mms.t-systems-service.com ~all

NS 3

  • oxygen.ns.hetzner.com
  • helium.ns.hetzner.de
  • hydrogen.ns.hetzner.com

SOA 1

  • hydrogen.ns.hetzner.com dns.hetzner.com

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

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

Ed25519 Receipt

Receipt ID
rcpt_ae0e2907d0b2df92
Output Hash
6386f203fc3e68daecf034ea9fd78a55231bd7c1b58a916857cff041555a4e24
Signature
ed25519:03c58e5d98c832abc8357758738f63ed5180f5239d39f3d6b1c6bf203c5306dc6f93606569af68a2d009c18df402ce27bce66418d087a9487e1f170babba6c0d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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