indexo.dev

protobuf.dev

.dev crawl

First seen 2026-05-01 · Last seen 2026-05-01 · ok HTTP/1.1 200 239 ms crawled 2026-05-08

US · 185.199.109.153 · AS54113 Fastly, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Protocol Buffers Documentation
Description
Protocol Buffers are language-neutral, platform-neutral extensible mechanisms for serializing structured data.
Language
en
Generator
Hugo 0.121.2
Feeds

Open Graph

url
https://protobuf.dev/
title
Protocol Buffers
description
Protocol Buffers are language-neutral, platform-neutral extensible mechanisms for serializing structured data.

Technology

CDN
Fastly
Server
GitHub.com
CMS
Hugo
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • cdn.jsdelivr.net×2
  • code.jquery.com×1
  • www.googletagmanager.com×1

Social

DNS records live

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

Email authentication no MX

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:mailauth-reports@google.com
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-22 to 2026-07-21
Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://protobuf.dev/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31556952

Links to (6)

Linked from (1)