crystal-lang.org

.org crawl

First seen 2026-04-12 · Last seen 2026-05-20 · ok HTTP/1.1 200 503 ms crawled 2026-05-20

US · 108.156.22.77 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title

The Crystal Programming Language

Description

Crystal is a general-purpose, object-oriented programming language. With syntax inspired by Ruby, it’s a compiled language with static type-checking. Types are resolved by an advanced type inference algorithm.

Language

Generator

Jekyll v4.4.1

Canonical

https://crystal-lang.org/

Feeds

Newsfeed (Atom) Atom

Open Graph

url: https://crystal-lang.org/
title: Crystal
locale: en_US
site name: The Crystal Programming Language
description: Crystal is a general-purpose, object-oriented programming language. With syntax inspired by Ruby, it’s a compiled language with static type-checking. Types are resolved by an advanced type inference algorithm.

Technology

CDN: Amazon CloudFront
Server: AmazonS3

Analytics

Google Tag Manager

Third-party hosts loaded (2)

fosstodon.org×1
www.googletagmanager.com×1

Social

Registration

Registrar

Gandi SAS

Created

2013-07-10

Expires

2026-07-10 50 days left

Updated

2025-06-10

Name servers

ns-1135.awsdns-13.org
ns-1799.awsdns-32.co.uk
ns-289.awsdns-36.com
ns-960.awsdns-56.net

DNS records live

NS

ns-1135.awsdns-13.org
ns-1799.awsdns-32.co.uk
ns-289.awsdns-36.com
ns-960.awsdns-56.net

MX

10 inbound-smtp.us-east-1.amazonaws.com

TXT

keybase-site-verification=Cx6MDDrMyOBVHVsRqSWnEXrX8qNh9LZG4EYZv1SgiGo

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

Amazon RSA 2048 M04

from 2025-10-14 to 2026-11-12

Expires in 175 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://crystal-lang.org/

findings

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