researchr.org

Observed Jul 27, 2026, 20:51 UTC (1h 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

Runs onSURF B.V

Secured byLet's Encrypt

Registered withunited-domains GmbH

Also usesGoogle Search Console

1 subdomain · tranco_100k

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

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

researchr.org

A / AAAA

131.180.125.32

SURF B.Vserves the site

ns.udag.orgns.udag.dens.udag.net

udag.org + udag.de + moreanswers its DNS

mx01.udag.demx00.udag.de

udag.dereceives its email

TLS

researchr.org

Let's Encryptissued its certificate

DNS Records

A 1

131.180.125.32

MX 2

20mx01.udag.de
10mx00.udag.de

TXT 3

v=spf1 a ip4:131.180.119.44/32 ip4:131.180.119.74/32 ip4:131.180.125.32/32 include:_smtp.udag.de -all
google-site-verification=IhjShZCYJpRMAjvqDd3XlzHEgJ5sX-zZgd44xPJRsgI
v=DMARC1; p=quarantine; ri=604800; rua=mailto:dmarc@researchr.org;

NS 3

ns.udag.org
ns.udag.de
ns.udag.net

SOA 1

ns.udag.de hostmaster.united-domains.de

TLS Certificates (3)

Common Name	Issuer	Expires
`researchr.org`	C=US, O=Let's Encrypt, CN=YR1	Sat, 19 Sep 2026 03:27:07 +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 (1)

www.researchr.org

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

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

Ed25519 Receipt

Receipt ID: rcpt_99913ef1c6820831
Output Hash: a19435f2d6eb0c2da1bac5bcdf60b121858c13ae1af61b9fd384e527f32a7451
Signature: ed25519:236078d4ea7f7e7c8344e542b7683bb670b8a3585f17ac23dc48185e5e7b28d742d3a8d34627605f463892e5fbf1a312dd7db019cdc8610cc9cd42caed07590e
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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