docandu.com

Observed Jul 27, 2026, 14:25 UTC (5d 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 usesFacebook/MetaGoogle Search Console

9 subdomains · domcop

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

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

docandu.com

A / AAAA

176.9.120.219

unattributedserves the site

iris.ns.cloudflare.commario.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

cpcalendars.docandu.com

Let's Encryptissued its certificate

DNS Records

A 1

176.9.120.219

MX 5

1aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 6

MS=DB328D01D8CDDABB94E1B46F62945E6010A2E7A0
MS=ms99470097
facebook-domain-verification=m06zbqia7ox96qtpp73gwsctbcq0vs
google-site-verification=c3XnLZeCorWNDhEu3eY_YBbD1ExS9eDK9OKJBGL6pro
v=spf1 include:_spf.google.com ip4:95.217.204.224 ~all
v=DMARC1; p=none

NS 2

iris.ns.cloudflare.com
mario.ns.cloudflare.com

SOA 1

iris.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`cpcalendars.docandu.com`	C=US, O=Let's Encrypt, CN=YR1	Wed, 30 Sep 2026 21:20:51 +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 (9)

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

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

Ed25519 Receipt

Receipt ID: rcpt_d2c4c4df604e4ace
Output Hash: c7e26ba2b665fb137ac01e182e8460f2af2a4af7be7cbf0c72c753d09e29e76e
Signature: ed25519:b1ecdb23f26d332fc56323434fbc5ee89e16814131c46304e9d7a385ea736a90a385d9af3dfaff37a0b52f59cc3d3eb002c6016705693d024b5c4d01b911e302
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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