indexo.dev

brian.dev

.dev crawl

First seen 2026-04-13 · Last seen 2026-05-02 · ok HTTP/1.1 200 357 ms crawled 2026-05-06

US · 188.114.96.3 · AS13335 Cloudflare, Inc.

Reputation 92/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Brian Ketelsen - Developer advocate, keynote speaker, author, and open source practitioner.
Description
Brian Ketelsen is a developer advocate, keynote speaker, author, and open source practitioner.
Language
en
Generator
Astro v5.16.9
Canonical
https://brian.dev/
Feeds

Open Graph

url
https://brian.dev/
title
Brian Ketelsen - Developer advocate, keynote speaker, author, and open source practitioner.
description
Brian Ketelsen is a developer advocate, keynote speaker, author, and open source practitioner.

Technology

CDN
Cloudflare

Third-party hosts loaded (2)

  • content.ketelsen.cloud×10
  • a.ketelsen.cloud×1

Social

Contact

Email

DNS records live

NS
  • george.ns.cloudflare.com
  • june.ns.cloudflare.com
MX
  • 10 mx01.mail.icloud.com
  • 10 mx02.mail.icloud.com
TXT
  • apple-domain=cjpLivKCIFaSjJY7

Email authentication strong

SPF
v=spf1 include:mailgun.org include:icloud.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:bketelsen@gmail.com
policy: none (monitoring only)
DKIM
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCYXipaN9z+eOpnCMqnORXivCVSgwzI7AeWG2720FBg6yx55WziPjNNHugNeNPP9Oslf9sHu1LU3u7ZoRuajoahUg/uWxN…
selectors probed

Certificate (current)

WE1
from 2026-03-12 to 2026-06-10
Expires in 23 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://brian.dev/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (5)

Linked from (1)