thirteen.org
Observed Jul 22, 2026, 01:08 UTC (2d 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 onAmazon
Email byMicrosoft 365
Secured byAmazon
Also usesGoogle Search ConsoleAtlassianZoomDocuSign
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
Amazonserves the site
NS
ns1.thirteen.orgns2.thirteen.orgns4.thirteen.orgns3.thirteen.org
thirteen.organswers its DNS
MX
thirteen-org.mail.protection.outlook.com
Microsoft 365receives its email
TLS
thirteen.org
Amazonissued its certificate
DNS Records
A 2
15.197.251.1023.33.224.214
MX 1
10thirteen-org.mail.protection.outlook.com
TXT 13
google-site-verification=ajDVQibpymdyjIdr3TTUyyw5i2Al23F4NWNzS1ioDfQPdiDfZx7V9toa6Y8eehLBBLex29PUdqnJKhqnvUEnQ2ESSVMI56x7YiFsJgdwzljFyKfR5GF+zNNlNUGhqXWWQ==atlassian-domain-verification=SFsJL4H8mvSaHXTjYvqSZk63ueathDMP5JTQj2/PwupvL/OWFVntR24ny35DqfpHZOOM_verify_fSsOw8-KS8yx5HhOtU89fwv=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 ~allairtable-verification=a7ca70dd239e16513dcdbc7f5e89abacdocusign=6eea8c77-5b3b-414a-873d-72e74df46a7dMS=ms53992369amazonses:F7cNLqPhG8/NzCuk/PRp0E0UGIY8S38f9Sw5Coz4RhQ=IFHKQM8J2LIC3BAWBNLFE0WULU5P7SGVVK77K80H1
NS 4
ns1.thirteen.orgns2.thirteen.orgns4.thirteen.orgns3.thirteen.org
SOA 1
ns3.thirteen.org unixadmin.thirteen.org
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
thirteen.org |
C=US, O=Amazon, CN=Amazon RSA 2048 M04 | Sun, 25 Oct 2026 23:59:59 +0000 |
Amazon RSA 2048 M04 |
C=US, O=Amazon, CN=Amazon Root CA 1 | Fri, 23 Aug 2030 22:26:35 +0000 |
Amazon Root CA 1 |
C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2 | Thu, 31 Dec 2037 01:00:00 +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 receiptEd25519 Receipt
- Receipt ID
rcpt_f5410251f8903bce- Output Hash
764796be7e330e8ef9f336ac4fa934ed075a19528025421f20e8d90e5cbcf60f- Signature
ed25519:96af747eed5e360bd51fa9cb1d40de04a070aa3dcbce23fd7478ec7f80733a9fe66d234e7f41562aa8bb91fb8af5a6d2209b10b694c507331e51f948cc9f6f05- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast