CONTINUOUS INTERNET TELEMETRY24H DRIFT8,763 material changesacross 8,372 domains · 24h to ~2h ago · -32,097 vs yesterdayNOW563 curated domains not reachablelast probe, steadySITE ERRORS34,264 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,299 sites429 rate-limit / 403 bot-block, a posture signalMOVERokta.comNo mail routes in the latest observation

usm.de

Observed Jul 25, 2026, 10:51 UTC (9d 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
Email byZendesk
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usm.de actually stands on - every host below is a signed observation
usm.de
A / AAAA
46.4.242.83
unattributedserves the site
NS
ns2.axcoredns.orgns1.axcoredns.com
axcoredns.org + axcoredns.comanswers its DNS
MX
mail.usm.demail2.usm.deupmx2.usm.defw.19het.host1.usm.de
Zendeskreceives its email

DNS Records

A 1

  • 46.4.242.83

MX 4

  • 10mail.usm.de
  • 50mail2.usm.de
  • 100upmx2.usm.de
  • 200fw.19het.host1.usm.de

TXT 4

  • v=spf1 mx a ip4:46.4.210.16/28 ip4:78.47.66.16/28 ip4:178.63.135.224/28 ip4:46.4.242.80/28 ip4:159.69.1.5 a:fw.19het.host1.usm.de a:fw.19het.host2.usm.de include:mail.zendesk.com -all
  • v=spf1 mx a ip4:46.4.210.16/28 ip4:78.47.66.16/28 ip4:178.63.135.224/28 ip4:46.4.242.80/28 ip4:159.69.1.5 a:fw.19het.host1.usm.de a:fw.19het.host2.usm.de include:mail.zendesk.com -all
  • v=spf1 mx a ip4:46.4.210.16/28 ip4:78.47.66.16/28 ip4:178.63.135.224/28 ip4:46.4.242.80/28 ip4:159.69.1.5 a:fw.19het.host1.usm.de a:fw.19het.host2.usm.de include:mail.zendesk.com -all
  • v=spf1 mx a ip4:46.4.210.16/28 ip4:78.47.66.16/28 ip4:178.63.135.224/28 ip4:46.4.242.80/28 ip4:159.69.1.5 a:fw.19het.host1.usm.de a:fw.19het.host2.usm.de include:mail.zendesk.com -all

NS 2

  • ns2.axcoredns.org
  • ns1.axcoredns.com

SOA 1

  • ns1.axcoredns.com webmaster.usm.de

SRV 1

  • owa.usm.de:443 p0

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

Ed25519 Receipt

Receipt ID
rcpt_db532d5ff143cc4a
Output Hash
16d20170d7260c6310fd533fb606879f26eeaa3b6533c501b4b98d28dc1e0e7a
Signature
ed25519:58e9d70bd2db7d19d6ea4472f9d22eeb0b16aa31addaba4ee1ce35759c013d902c5802db15f81117a913cf4df308e612e382c4cc0281498e81dda93784a6010a
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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