argu.co

Observed Jul 26, 2026, 22:20 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.

Verify this receipt yourself + Watch this domain

Up right now

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesGoogle Search Console

1 subdomain · domcop

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

INFRASTRUCTURE MAPwhat argu.co actually stands on - every host below is a signed observation

argu.co

A / AAAA

75.2.60.5

unattributedserves the site

ns1.openprovider.nlns2.openprovider.bens3.openprovider.eu

openprovider.nl + openprovider.be + moreanswers its DNS

SMTP.GOOGLE.COM

Google Workspacereceives its email

TLS

argu.co

Let's Encryptissued its certificate

DNS Records

A 1

75.2.60.5

MX 1

1SMTP.GOOGLE.COM

TXT 5

google-site-verification=6E_Yuh-gq5q4nEmjww13fVe-rJsXkmwrC-X6KustSBw
google-site-verification=DJ_SaiSheS9dM1RDZ7YuaKGEeF3aSUE1DVO5akhkBnw
google-site-verification=Vcf3P_OlmnA-UTbQiY9At_HtNrNDSwKhF9XhqiwfKH4
v=spf1 include:_spf.google.com include:spf.mailjet.com include:servers.mcsv.net ~all
v=DMARC1; p=quarantine; rua=mailto:root@argu.co; ruf=mailto:root@argu.co; sp=none; ri=86400

NS 3

ns1.openprovider.nl
ns2.openprovider.be
ns3.openprovider.eu

SOA 1

ns1.openprovider.nl dns.openprovider.eu

TLS Certificates (4)

Common Name	Issuer	Expires
`argu.co`	C=US, O=Let's Encrypt, CN=YE2	Tue, 29 Sep 2026 19:13:49 +0000
`YE2`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

www.argu.co

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 argu.co. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_55c035015c8bae23
Output Hash: a770c4fa56a23343a92f895bc79d2b204791ae509cb8116a9f7a8f2ae54d6703
Signature: ed25519:59781080a4e03eb2eceebf728bfbe79de958d862c37069ebd4e51d127a9794dabdbe042187ee5aca6025eb0a6d5edc5fb0c6e99149a54ebc79665bf16c28be0d
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/argu.co