dynabench.org

Observed Jul 28, 2026, 11:37 UTC (1d 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

Secured byAmazon

domcop

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

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

dynabench.org

A / AAAA

18.165.98.12118.165.98.6218.165.98.6018.165.98.65

unattributedserves the site

ns-1036.awsdns-01.orgns-1716.awsdns-22.co.ukns-3.awsdns-00.comns-724.awsdns-26.net

awsdns-01.org + awsdns-22.co.uk + moreanswers its DNS

TLS

dynabench.org

Amazonissued its certificate

DNS Records

A 4

18.165.98.121
18.165.98.62
18.165.98.60
18.165.98.65

NS 4

ns-1036.awsdns-01.org
ns-1716.awsdns-22.co.uk
ns-3.awsdns-00.com
ns-724.awsdns-26.net

SOA 1

ns-1036.awsdns-01.org awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`dynabench.org`	C=US, O=Amazon, CN=Amazon RSA 2048 M04	Mon, 26 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 receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_e681616258ae2108
Output Hash: 19433ed692aaa6a29755e21f2cdaf9fdb44e45bec4067fe0317a033e33765c3f
Signature: ed25519:44b506cbc0a17473a7408b78da06c0e1f4d1f270487e3316df0a939b855d57f831ca834557e1e4f9eb26af72b7a2828881f2a66bbe1b0436b922d8b65f8ff50b
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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