CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 8,280 material changesacross 7,874+ domains · 24h to ~22h ago · a floor, 2h of 24 walkedNOW566 curated domains not reachablelast probe, steadySITE ERRORS34,456 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 155,741 sites429 rate-limit / 403 bot-block, a posture signal

amsus.org

Observed Jul 25, 2026, 22:58 UTC (6d 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.

Guarded by a firewall
Runs onCloudflare
Email byMimecast
Secured byGoogle Trust Services
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat amsus.org actually stands on - every host below is a signed observation
amsus.org
A / AAAA
162.159.141.168172.66.1.164
Cloudflareserves the site
NS
ns49.worldnic.comns50.worldnic.com
worldnic.comanswers its DNS
MX
us-smtp-inbound-1.mimecast.comus-smtp-inbound-2.mimecast.com
Mimecastreceives its email
TLS
amsus.org
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 162.159.141.168
  • 172.66.1.164

MX 2

  • 10us-smtp-inbound-1.mimecast.com
  • 10us-smtp-inbound-2.mimecast.com

TXT 3

  • MS=ms24020794
  • v=spf1 a mx ip4:64.211.221.160 ip4:64.211.221.161 ip4:64.211.221.163 ip4:64.211.221.164 ip4:64.211.221.232 ip4:108.166.20.48 ip4:108.166.20.49 ip4:108.166.20.50 include:us._netblocks.mimecast.com include:spf.cadmiumcd.com include:spf.protection.outlook.com include:amazonses.com include:spf.ymem.net ~all
  • v=DMARC1; p=none; fo=1; rua=mailto:dmarc@amsus.org; ruf=mailto:dmarc@amsus.org;

NS 2

  • ns49.worldnic.com
  • ns50.worldnic.com

SOA 1

  • NS49.WORLDNIC.COM namehost.WORLDNIC.COM

TLS Certificates (3)

Common NameIssuerExpires
amsus.org C=US, O=Google Trust Services, CN=WE1 Sat, 05 Sep 2026 21:53:30 +0000
WE1 C=US, O=Google Trust Services LLC, CN=GTS Root R4 Tue, 20 Feb 2029 14:00:00 +0000
GTS Root R4 C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA Fri, 28 Jan 2028 00:00:42 +0000

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

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

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

Ed25519 Receipt

Receipt ID
rcpt_04761e58be3e2711
Output Hash
359548eb9c20cb33ea9ad321cd3d523a1045bf25a8410b80f2525c525ad26245
Signature
ed25519:07a7db5f409f36a32114f62c4297e868a26d5f91c03ea71e7483e4159c0ee1b207f2fa493dfaef3e289cb85bd9471f76d396d93d0f37bb89d68087c6a9c26909
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser