indexo.dev

chang2019.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-17 · ok HTTP/1.1 200 444 ms crawled 2026-05-13

US · 104.21.71.200 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
上海研设信息科技有限公司
Description
上海研设信息科技有限公司成立于2014年06月16日，注册地位于上海市嘉定区陈翔路768号6幢B区2256室，法定代表人为吴建文。经营范围包括从事计算机技术、网络技术领域内的技术开发、技术咨询、技术转让、技术服务，电子商务（不得从事增值电信、金融业务），代理各类广告，利用自有媒体发布广告，商务咨询，企业营销策划，会务服务，展览展示服务，建筑装饰建设工程专项设计。 【依法须经批准的项目，经相关部门批准后方可开展经营活动】
Language
en

Technology

CDN
Cloudflare
CMS
Gatsby

Registration

Registrar
July Name Limited
Created
2025-11-12
Expires
2026-11-12 177 days left
Updated
2026-03-07
Name servers
  • shubhi.ns.cloudflare.com
  • vicky.ns.cloudflare.com

DNS records live

NS
  • shubhi.ns.cloudflare.com
  • vicky.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

E8
from 2026-05-05 to 2026-08-03
Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://chang2019.com/

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

Links to (50)

Linked from (50)