protobuf.dev

Observed 2026-07-13T00:04:38.144881410+00:00 (10h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onFastly

Secured byLet's Encrypt

saas

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

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

protobuf.dev

A / AAAA

185.199.110.153185.199.111.153185.199.109.153185.199.108.153

Fastlyserves the site

ns1.googledomains.comns3.googledomains.comns4.googledomains.comns2.googledomains.com

googledomains.comanswers its DNS

TLS

protobuf.dev

Let's Encryptissued its certificate

DNS Records

A 4

185.199.110.153
185.199.111.153
185.199.109.153
185.199.108.153

TXT 2

v=spf1 -all
v=DMARC1; p=reject; rua=mailto:mailauth-reports@google.com

NS 4

ns1.googledomains.com
ns3.googledomains.com
ns4.googledomains.com
ns2.googledomains.com

SOA 1

ns1.googledomains.com dns-admin.google.com

TLS Certificates (3)

Common Name	Issuer	Expires
`protobuf.dev`	C=US, O=Let's Encrypt, CN=YR2	Sat, 19 Sep 2026 19:13:20 +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.protobuf.dev

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

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

Ed25519 Receipt

Receipt ID: f3df6a66-c5d7-47a8-9dcc-8d36876e5ed1
Output Hash: 1e3d887b356dc0b7f4806ac6296d00b5cfb18d079c17b4567bdf77a1bf455cd9
Signature: ed25519:4d6beb2b98b823bcdc8e45e8a7379fa9683da9b7a9dcf100f4efa00162cd0dc597fb5261d46f37e277ab3248f12c2842b7584d39d2e6016b7a44d41449756e06
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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