CONTINUOUS INTERNET TELEMETRY24H DRIFT4,090 material changesacross 3,648 domains · last 24h · -6,325 vs yesterdayDNS DRIFT224 domains changed DNS providertop destination cloudflare.com · -435 vs yesterdayEMAIL DRIFT43 domains switched email providertop destination google.com · -124 vs yesterdayCERT DRIFT52 domains switched issuing CA24h · -167 vs yesterdayNOW492 curated domains not reachable-211 vs yesterdaySITE ERRORS17,232 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 96,525 sites429 rate-limit / 403 bot-block, a posture signal

alensa.de

Observed Jul 24, 2026, 10:16 UTC (6h 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 bySparkPost
Secured byLet's Encrypt
Also usesGoogle Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat alensa.de actually stands on - every host below is a signed observation
alensa.de
A / AAAA
31.30.27.201
unattributedserves the site
NS
lynn.ns.cloudflare.comnaomi.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
m213-mail.server4u.cz
SparkPostreceives its email
TLS
alensa.de
Let's Encryptissued its certificate

DNS Records

A 1

  • 31.30.27.201

MX 1

  • 5m213-mail.server4u.cz

TXT 9

  • google-site-verification=ourWSLrniesK0nzyhrc74VbXgiMPwJt-k0JezWbnmEY
  • v=spf1 a mx ip4:81.91.81.160 ip4:81.91.81.152 include:sparkpostmail.com ip4:137.74.51.188 ~all
  • v=DMARC1; p=none; rua=mailto:6pbm9ub6ou@dmarc-reports.ecomailapp.com; fo=1
  • google-site-verification=ourWSLrniesK0nzyhrc74VbXgiMPwJt-k0JezWbnmEY
  • v=spf1 a mx ip4:81.91.81.160 ip4:81.91.81.152 include:sparkpostmail.com ip4:137.74.51.188 ~all
  • google-site-verification=ourWSLrniesK0nzyhrc74VbXgiMPwJt-k0JezWbnmEY
  • v=spf1 a mx ip4:81.91.81.160 ip4:81.91.81.152 include:sparkpostmail.com ip4:137.74.51.188 ~all
  • google-site-verification=ourWSLrniesK0nzyhrc74VbXgiMPwJt-k0JezWbnmEY
  • v=spf1 a mx ip4:81.91.81.160 ip4:81.91.81.152 include:sparkpostmail.com ip4:137.74.51.188 ~all

NS 2

  • lynn.ns.cloudflare.com
  • naomi.ns.cloudflare.com

SOA 1

  • lynn.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common NameIssuerExpires
alensa.de C=US, O=Let's Encrypt, CN=YR2 Fri, 11 Sep 2026 21:01:59 +0000
YR2 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 (1)

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

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

Ed25519 Receipt

Receipt ID
rcpt_9028b6d84899fd17
Output Hash
acabb1210ad076f64b360558413a67710a28f4f4f597c80d5d985e5ec3b342ba
Signature
ed25519:e65e7b4f6db0aa0676c91f48b338b6d2d387212827cecbc102294338067c9cfbc335fa5355896c3dfd54b74f188cb86c15c87c18a7c350761c3de3fe401d1203
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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