us13.org

Observed Jul 26, 2026, 08:54 UTC (7d 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

Runs onCloudflare

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesGoogle Search Console

IPv6 · majestic

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

INFRASTRUCTURE MAPwhat us13.org actually stands on - every host below is a signed observation

us13.org

A / AAAA

104.21.64.16172.67.174.272606:4700:3034::ac43:ae1b2606:4700:3037::6815:4010

Cloudflareserves the site

eva.ns.cloudflare.comwells.ns.cloudflare.com

cloudflare.comanswers its DNS

ghs.google.com

Google Workspacereceives its email

TLS

us13.org

Let's Encryptissued its certificate

DNS Records

A 2

104.21.64.16
172.67.174.27

AAAA 2

2606:4700:3034::ac43:ae1b
2606:4700:3037::6815:4010

MX 1

1200ghs.google.com

TXT 1

google-site-verification=i6TuhBZk6ifEOYbBJU3SO6dd7_REgLS8Nfst3BquJQs

NS 2

eva.ns.cloudflare.com
wells.ns.cloudflare.com

SOA 1

eva.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (4)

Common Name	Issuer	Expires
`us13.org`	C=US, O=Let's Encrypt, CN=YE1	Tue, 13 Oct 2026 21:47:53 +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 (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 us13.org. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/us13.org">
  <img src="https://domaindrift.io/badge/us13.org.svg"
       width="300" height="64" alt="DomainDrift signed observations for us13.org">
</a>

Ed25519 Receipt

Receipt ID: rcpt_7158de722ad24dca
Output Hash: 6641c939b8d3fef2983edddd3445889773b29e8006a6bc35f2a2da9001467a3b
Signature: ed25519:6d15c867f9af6c97091cad4d7778b694187deb62e5bc3bf45e20be571ad1012b9b79bf9ccc2f1fce63a10e83dc0fd942c0c5b1e294a76c201c522ea29505360c
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/us13.org