usatt.org

Observed Jul 25, 2026, 20:53 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

Up right now

Email byProofpoint

Secured byLet's Encrypt

Also usesGoogle Search Console

2 subdomains · tranco

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat usatt.org actually stands on - every host below is a signed observation

usatt.org

A / AAAA

151.101.130.133151.101.66.133151.101.194.133151.101.2.133

unattributedserves the site

ns-1129.awsdns-13.orgns-1897.awsdns-45.co.ukns-52.awsdns-06.comns-761.awsdns-31.net

awsdns-13.org + awsdns-45.co.uk + moreanswers its DNS

mxa-00215902.gslb.pphosted.commxb-00215902.gslb.pphosted.com

Proofpointreceives its email

TLS

usatt.org

Let's Encryptissued its certificate

DNS Records

A 4

151.101.130.133
151.101.66.133
151.101.194.133
151.101.2.133

MX 2

10mxa-00215902.gslb.pphosted.com
20mxb-00215902.gslb.pphosted.com

TXT 7

MS=ms25932316
google-site-verification=UdoSl2do7l0o9llOOQVx9MzC0ZFQ3lntlemEYxulGC8
google-site-verification=iS4-Fx1WBYFrydv7ZEVf8FlvLJKNv7OlcUFfbHm5DBw
l8nr5bknvq4vl96kqdr3fcs18xxlrsf4
teamusa-redirect.azurewebsites.net
v=spf1 include:spf.usopc.org -all
v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;

NS 4

ns-1129.awsdns-13.org
ns-1897.awsdns-45.co.uk
ns-52.awsdns-06.com
ns-761.awsdns-31.net

SOA 1

ns-761.awsdns-31.net awsdns-hostmaster.amazon.com

TLS Certificates (4)

Common Name	Issuer	Expires
`usatt.org`	C=US, O=Let's Encrypt, CN=YE1	Sat, 29 Aug 2026 22:19:35 +0000
`YE1`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	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; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for usatt.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_5b08537633fb7a24
Output Hash: 74497845f1bdedb9d1848157d89bbb2e30dc02da3919ec6ce13b30681c010ec9
Signature: ed25519:4e7fa756a612b1646629ff61f9c8341628819954abcdf21c007affc82c4e0930e88496e05282852ba26cf81a6b2095584bb8c172b7d84880f6b040fff1396204
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/usatt.org