CONTINUOUS INTERNET TELEMETRY24H DRIFT2,081 material changesacross 1,949 domains · +3 vs yesterdayDNS DRIFT15 domains changed DNS providertop destination alidns.comEMAIL DRIFT8 domains switched email providertop destination google.comCERT DRIFT46 domains switched issuing CA24hNOW1,148 curated domains not answeringlast probe, steadyERRORS9,002 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED24,369 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT2,081 material changesacross 1,949 domains · +3 vs yesterdayDNS DRIFT15 domains changed DNS providertop destination alidns.comEMAIL DRIFT8 domains switched email providertop destination google.comCERT DRIFT46 domains switched issuing CA24hNOW1,148 curated domains not answeringlast probe, steadyERRORS9,002 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED24,369 throttled or blocked our scanner429 rate-limit / 403 bot-block

protobuf.dev

Observed Jul 18, 2026, 12:01 UTC (12h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onFastly
Secured byLet's Encrypt
1 subdomain · 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
185.199.110.153185.199.108.153185.199.109.153185.199.111.153
Fastlyserves the site
NS
ns1.googledomains.comns2.googledomains.comns4.googledomains.comns3.googledomains.com
googledomains.comanswers its DNS
TLS
protobuf.dev
Let's Encryptissued its certificate

DNS Records

A 4

  • 185.199.110.153
  • 185.199.108.153
  • 185.199.109.153
  • 185.199.111.153

TXT 2

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

NS 4

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

SOA 1

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

TLS Certificates (3)

Common NameIssuerExpires
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)

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.

DomainDrift signed-observation badge for protobuf.dev <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
7c0b0c6f-7dbc-4abb-984d-a418e8aa35fb
Output Hash
a64976e479e2e6f6963d61ae0e93c843fa89e9da2a9e24cb54e846729b7f6fa4
Signature
ed25519:5fe29524adc3194436ba9ff03642377a5fa4291735ce8075d95a177a090da19573fdecab09b8efed1845c4635a720454dd2a39c8eb7f055cb664b0f5fc698c0f
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser