jumo.de

Observed Aug 16, 2026, 07:23 UTC (8h 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
Secured byLet's Encrypt
Also usesAppleGoogle Search ConsoleAtlassian
2 subdomains · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jumo.de actually stands on - every host below is a signed observation
jumo.de
A / AAAA
151.101.3.10151.101.67.10151.101.131.10151.101.195.10
unattributedserves the site
NS
dns9.nethinks.comdns10.nethinks.com
nethinks.comanswers its DNS
MX
jumo-net-1.fortimailcloud.comjumo-net-2.fortimailcloud.com
fortimailcloud.comreceives its email
TLS
en.jumo.de
Let's Encryptissued its certificate

DNS Records

A 4

  • 151.101.3.10
  • 151.101.67.10
  • 151.101.131.10
  • 151.101.195.10

MX 2

  • 10jumo-net-1.fortimailcloud.com
  • 20jumo-net-2.fortimailcloud.com

TXT 5

  • apple-domain-verification=ghMYdX0ziPaw0QF5
  • MDAyNDE5MzdqdW1vLmRl
  • v=spf1 +mx -all
  • google-site-verification=dx84W3yvY40F7IamD3bFX8SbL3iI7Uyt5b5aWKLBmKk
  • atlassian-domain-verification=pZO77P9a7dZ9yYjB/11c2fU/wGK6x59fyHFV5b/CpO4cdZyfAdzrYkYjWap9zKPv

NS 2

  • dns9.nethinks.com
  • dns10.nethinks.com

SOA 1

  • dns9.nethinks.com hosting.nethinks.com

DMARC_RECORDS 1

  • v=DMARC1; p=reject

TLS Certificates (3)

Common NameIssuerExpires
en.jumo.de C=US, O=Let's Encrypt, CN=YR1 Sun, 18 Oct 2026 13:50:31 +0000
YR1 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 (2)

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_4e1187e075d12a87
Output Hash
b004caeb130b6cef968a255be1aa56404192122c1254646ed42ad7054a8d18bc
Signature
ed25519:1c759c2564ea2bbff1a3a7dae6b632ad1bfa4299cf1d6cb164dfd3c5c3287f6c86e04af13272520249f5559c1c5a20b062eb00b31252ffb764f58f88ff308508
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT40,574 material changesacross 38,742 domains · 24h to ~3h ago · -985 vs yesterdayROTATION62 domains moved DNS from magpiedns.com to koaladns.com, 60 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hNOW582 curated domains not reachable+87 vs yesterdaySITE ERRORS36,429 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,461 sites429 rate-limit / 403 bot-block, a posture signal