urisohn.com

Observed Jul 26, 2026, 21:56 UTC (6d 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

1 subdomain · domcop

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

INFRASTRUCTURE MAPwhat urisohn.com actually stands on - every host below is a signed observation

urisohn.com

A / AAAA

192.249.114.91

unattributedserves the site

ns1.inmotionhosting.comns2.inmotionhosting.com

inmotionhosting.comanswers its DNS

urisohn.com

urisohn.comreceives its email

TLS

*.urisohn.com

Let's Encryptissued its certificate

DNS Records

A 1

192.249.114.91

MX 1

0urisohn.com

NS 2

ns1.inmotionhosting.com
ns2.inmotionhosting.com

SOA 1

ns1.inmotionhosting.com machinemessages.forum.inmotionhosting.com

TLS Certificates (3)

Common Name	Issuer	Expires
`*.urisohn.com`	C=US, O=Let's Encrypt, CN=YR2	Thu, 01 Oct 2026 20:30:47 +0000
`YR2`	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 (1)

www.datacolada.urisohn.com

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 urisohn.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_dd2a9044ef7b7c94
Output Hash: dff7ff685babac7df2ad7c1efe1a7bce75d9ea4214f9db41493edbb70996a813
Signature: ed25519:b0bca1b3c4d5e0bca7c633c27419efdbbf101cdb8b9211dad305b485ff65907a1dbba08e2dd2231da8c055411fe077ea089af61f836e675e42b10bca732d570d
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/urisohn.com