open-std.org

Observed Jul 24, 2026, 19:35 UTC (8d 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.

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Up right now

Secured byLet's Encrypt

2 subdomains · tranco_100k

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

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

open-std.org

A / AAAA

192.38.78.170

unattributedserves the site

ns01.one.comns02.one.com

one.comanswers its DNS

www5.open-std.org

open-std.orgreceives its email

TLS

open-std.org

Let's Encryptissued its certificate

DNS Records

A 1

192.38.78.170

MX 1

5www5.open-std.org

TXT 1

v=spf1 mx a:open-std.org a:www7.open-std.org a:keld1.klid.dk ~all

NS 2

ns01.one.com
ns02.one.com

SOA 1

ns01.one.com hostmaster.one.com

TLS Certificates (3)

Common Name	Issuer	Expires
`open-std.org`	C=US, O=Let's Encrypt, CN=YR1	Fri, 11 Sep 2026 11:07:50 +0000
`YR1`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (2)

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

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

Ed25519 Receipt

Receipt ID: rcpt_3236e762a43192af
Output Hash: fdf84030f98d2eee3b400d85cb5dcc4c85cda189212ee57343840960b9f0ebf1
Signature: ed25519:459d7eb3b4ca45efc32e6e40f6b2f5cbb22df2af5498248300b7bb4813a9295e7466a74a74715a175a5078839755a22624c529983efe49a5dfe1039ed716280d
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/open-std.org