dosu.dev

Observed Jul 27, 2026, 03:45 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

majestic

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

INFRASTRUCTURE MAPwhat dosu.dev actually stands on - every host below is a signed observation

dosu.dev

A / AAAA

216.150.1.1

unattributedserves the site

ns-cloud-b1.googledomains.comns-cloud-b2.googledomains.comns-cloud-b3.googledomains.comns-cloud-b4.googledomains.com

googledomains.comanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

dosu.dev

Let's Encryptissued its certificate

DNS Records

A 1

216.150.1.1

MX 5

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

TXT 6

MS=ms29038866
MS=ms34957333
v=spf1 include:_spf.google.com include:mailgun.org ~all
linkedin-site-verification=adbc872b-954e-4936-b024-890e14572370
v=DMARC1; p=reject; sp=none; pct=100; ri=604800; rua=mailto:security@dosu.dev; ruf=mailto:security@dosu.dev
v=BIMI1; l=https://dosu.dev/dosu-logo-bimi.svg;

NS 4

ns-cloud-b1.googledomains.com
ns-cloud-b2.googledomains.com
ns-cloud-b3.googledomains.com
ns-cloud-b4.googledomains.com

SOA 1

ns-cloud-b1.googledomains.com cloud-dns-hostmaster.google.com

TLS Certificates (3)

Common Name	Issuer	Expires
`dosu.dev`	C=US, O=Let's Encrypt, CN=YR2	Thu, 03 Sep 2026 02:06:50 +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 (0)

None observed.

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 dosu.dev. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_a85c5a47d5f3d0a0
Output Hash: fbcb7f3bfacf6050f08514577c669e8f778d87b6565af664b9e74714a3a42d8e
Signature: ed25519:9144cb32fa45201ea8b753740d47c8c3d4a6094308124232f12bcf6a2e0cea8c9cdbfc7e5338759c0adee93b6d019fc88877e336ce24105e31e2e4ddaad77308
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/dosu.dev