typescriptlang.org

.org toplist crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 2628 ms crawled 2026-05-18

NL · 20.76.201.171 · AS8075 Microsoft Corporation

Reputation 100/100

Classifying

HTML metadata

Title: TypeScript: JavaScript With Syntax For Types.
Description: TypeScript extends JavaScript by adding types to the language. TypeScript speeds up your development experience by catching errors and providing fixes before you even run your code.
Language: en
Generator: Gatsby 5.16.1

Open Graph

title: JavaScript With Syntax For Types.
description: TypeScript extends JavaScript by adding types to the language. TypeScript speeds up your development experience by catching errors and providing fixes before you even run your code.

Technology

CDN: Fastly
Server: GitHub.com
CMS: Gatsby

Third-party hosts loaded (1)

consentdeliveryfd.azurefd.net×1

Social

Registration

Registrar

MarkMonitor Inc.

Created

2012-08-13

Expires

2026-08-13 85 days left

Updated

2025-07-17

Name servers

ns3-04.azure-dns.org
ns1-04.azure-dns.com
ns2-04.azure-dns.net
ns4-04.azure-dns.info

DNS records live

NS

ns1-04.azure-dns.com
ns2-04.azure-dns.net
ns3-04.azure-dns.org
ns4-04.azure-dns.info

TXT

chq4pfvlfb4v94bl6lfmlg4rt8mzcy6s
71z7qrm0ktfz0fjzj9mxyf5ntv9fydsm

Email authentication no MX

SPF: not published
DMARC: v=DMARC1; p=reject; rua=mailto:rua@dmarc.microsoft;ruf=mailto:ruf@dmarc.microsoft;fo=1:s:d
policy: reject (enforced)
DKIM: no key found at common selectors

Certificate (current)

Microsoft TLS G2 RSA CA OCSP 04

from 2026-04-18 to 2026-10-15

Expires in 148 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.typescriptlang.org/

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; includeSubDomains; preload