en.dev

.dev crawl

First seen 2026-05-10 · Last seen 2026-05-10 · ok HTTP/1.1 200 794 ms crawled 2026-05-16

US · 104.21.58.219 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: en.dev
Language: en

Technology

CDN: Cloudflare

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (4)

fonts.googleapis.com×2
endev.memberful.com×1
fonts.gstatic.com×1
www.googletagmanager.com×1

DNS records live

NS

anna.ns.cloudflare.com
dave.ns.cloudflare.com

MX

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

TXT

google-site-verification=KcQCUyKIXx31ii8wbQqIbIDhdOIL27n0UFMGoMreIr4
google-site-verification=hwWZl_UFG-zYbrKLH48Qn8vy_U5VF19vqtECEvqu_PI
patreon-verification=eitxv23Rt6XD_rf6

Email authentication strong

SPF

v=spf1 include:spf.messagingengine.com include:_spf.google.com -all

strict (-all)

DMARC

v=DMARC1; p=reject; rua=mailto:729ca37d7a5943848bc20fb2be6622f2@dmarc-reports.cloudflare.net

policy: reject (enforced)

DKIM

google: v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuOK36AsPI4CIFuH8YMkAPOtDlTS+jvYY7NsOOD5BZaUHipDvSmDY5KXwWpdXGvoD6eEIXtCcM7XJobUr…

selectors probed

Certificate (current)

E8

from 2026-04-03 to 2026-07-02

Expires in 44 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Linked from (1)

jdx.dev×1