devhints.io

.io crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 586 ms crawled 2026-05-19

US · 172.67.174.41 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Devhints — TL;DR for developer documentation
Description: A ridiculous collection of web development cheatsheets
Language: en
Generator: Astro v4.5.4
Canonical: https://devhints.io

Open Graph

url: https://devhints.io
title: Devhints — TL;DR for developer documentation
site name: Devhints.io cheatsheets
description: A ridiculous collection of web development cheatsheets

Technology

CDN: Cloudflare

Analytics

Cloudflare Insights
Google Tag Manager

Third-party hosts loaded (2)

static.cloudflareinsights.com×1
www.googletagmanager.com×1

Social

DNS records live

NS

eric.ns.cloudflare.com
jean.ns.cloudflare.com

MX

10 eforward1.registrar-servers.com
10 eforward2.registrar-servers.com
10 eforward3.registrar-servers.com
15 eforward4.registrar-servers.com
20 eforward5.registrar-servers.com

TXT

github-verification=RuR7a9g5eNWvfjQXQsgAzMPEY8g9sejfyBQDX9WJ
google-site-verification=CNnl0tRvrOlEfcdlDnQxAHJDDNQSMJvovteZRDey81M

Email authentication weak

SPF: v=spf1 include:spf.efwd.registrar-servers.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-05-01 to 2026-07-30

Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://devhints.io/

present

strict-transport-security
x-content-type-options
referrer-policy

findings

short HSTS max-age
missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff
strict-transport-security: max-age=2592000; includeSubDomains; preload

Links to (4)

Linked from (4)