thirteen.org

Observed 2026-07-14T21:02:57.739Z (12h ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall

Runs onCloudflare

Email byMicrosoft 365

Also usesAtlassianDocuSignGoogle Search ConsoleZoom

tranco_40k

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

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

thirteen.org

A / AAAA

15.197.251.1023.33.224.214

Cloudflareserves the site

ns3.thirteen.orgns1.thirteen.orgns4.thirteen.orgns2.thirteen.org

thirteen.organswers its DNS

thirteen-org.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

bot_blocked Blocked our probe (WAF / bot protection) 403 blocked by cloudflare - bot protection active

HTTP status403

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time408 ms

DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

15.197.251.102
3.33.224.214

MX 1

10thirteen-org.mail.protection.outlook.com

TXT 13

IFHKQM8J2LIC3BAWBNLFE0WULU5P7SGVVK77K80H1
atlassian-domain-verification=SFsJL4H8mvSaHXTjYvqSZk63ueathDMP5JTQj2/PwupvL/OWFVntR24ny35DqfpH
docusign=f1f94663-59bd-4cb5-a317-ea7cd86e4646
v=spf1 a mx ip4:209.160.160.0/24 ip4:209.178.246.0/24 ip4:38.94.171.0/24 ip4:216.235.195.0/24 ip4:52.71.125.57 include:outboundmail.convio.net include:spf.protection.outlook.com ~all
docusign=6eea8c77-5b3b-414a-873d-72e74df46a7d
airtable-verification=a7ca70dd239e16513dcdbc7f5e89abac
amazonses:F7cNLqPhG8/NzCuk/PRp0E0UGIY8S38f9Sw5Coz4RhQ=
google-site-verification=ajDVQibpymdyjIdr3TTUyyw5i2Al23F4NWNzS1ioDfQ
PdiDfZx7V9toa6Y8eehLBBLex29PUdqnJKhqnvUEnQ2ESSVMI56x7YiFsJgdwzljFyKfR5GF+zNNlNUGhqXWWQ==
MS=ms53992369

NS 4

ns3.thirteen.org
ns1.thirteen.org
ns4.thirteen.org
ns2.thirteen.org

SOA 1

ns1.thirteen.org unixadmin.thirteen.org

TLS Certificates (0)

None.

Subdomains (9)

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 thirteen.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: bb954bee-44c6-40dc-8b00-9875000d1018
Output Hash: 54e143b373d4d53fb3aedc430ee81e71330f931e5c3c7b79226ba002a7ec3468
Signature: ed25519:199860f96cbf7241e48e20c4da278b87bd60ed1b0bedf79ca329db34ecf81ea0468226f8322484a477f7c154552b89a2c89f5d2d602f77488ec6325c4b686803
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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