CONTINUOUS INTERNET TELEMETRY24H DRIFT39,267 material changesacross 37,658 domains · 24h to ~45m ago · -1,593 vs yesterdayNOW555 curated domains not reachablelast probe, steadySITE ERRORS34,567 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,805 sites429 rate-limit / 403 bot-block, a posture signal

usfi.eu

Observed Jul 27, 2026, 20:08 UTC (5d 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
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usfi.eu actually stands on - every host below is a signed observation
usfi.eu
A / AAAA
46.252.144.41
unattributedserves the site
NS
dns3.arubadns.netdns.technorail.comdns4.arubadns.czdns2.technorail.com
arubadns.net + technorail.com + moreanswers its DNS
MX
mx.usfi.eu
usfi.eureceives its email
TLS
www.usfi.eu
Let's Encryptissued its certificate

DNS Records

A 1

  • 46.252.144.41

MX 1

  • 10mx.usfi.eu

TXT 2

  • v=spf1 include:aruba.it ip4:46.252.144.41 ~all
  • v=DMARC1; p=none; adkim=r; aspf=r;

NS 4

  • dns3.arubadns.net
  • dns.technorail.com
  • dns4.arubadns.cz
  • dns2.technorail.com

SOA 1

  • dns.technorail.com hostmaster.usfi.eu

SRV 1

  • autodiscover.aruba.it:443 p0

TLS Certificates (2)

Common NameIssuerExpires
www.usfi.eu C=US, O=Let's Encrypt, CN=R13 Wed, 26 Aug 2026 09:49:22 +0000
R13 C=US, O=Internet Security Research Group, CN=ISRG Root X1 Fri, 12 Mar 2027 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 usfi.eu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_630fc4c784ab8ba3
Output Hash
c5ce23cc21fb5dd37650c95006c6d6cab2b77d670c3bf71bffd078e603e87854
Signature
ed25519:225dd42af90670b346b75ec5d265ead87dac874ab186ec2721a7420e7420024cb955efd7c32a8f03d5a7f0c5a1320e0afc99dda250afb11cd86d3dc5fe84a90c
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser