indexo.dev

checkgfw.com

.com crawl

First seen 2026-04-19 · Last seen 2026-05-09 · ok HTTP/1.1 200 12250 ms crawled 2026-05-13

US · 104.21.25.159 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
检测网站是否被墙
Description
CheckGFW是一个免费工具，用来快速检查网站是否被GFW(防火长城)屏蔽。
Language
zh-CN

Technology

CDN
Cloudflare
CMS
Gatsby

Third-party hosts loaded (4)

  • cdn.staticfile.org×2
  • js.fundebug.cn×1
  • js.users.51.la×1
  • recaptcha.net×1

Registration

Registrar
DNSPod, Inc.
Created
2013-03-04
Expires
2034-03-04 2844 days left
Updated
2024-05-27
Name servers
  • ray.ns.cloudflare.com
  • ruth.ns.cloudflare.com

DNS records live

NS
  • ray.ns.cloudflare.com
  • ruth.ns.cloudflare.com
Verified for
  • Google

Email authentication no MX

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

Certificate (current)

WE1
from 2026-04-03 to 2026-07-02
Expires in 42 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.checkgfw.com/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains; preload

Linked from (1)