indexo.dev

sadjw.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-19 · ok HTTP/1.1 200 3551 ms crawled 2026-05-14

US · 104.21.34.51 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
北京通鼎光扬网络科技有限公司
Description
北京通鼎光扬网络科技有限公司成立于2024年05月23日，注册地位于北京市昌平区回龙观东大街336号院4号楼6层601，法定代表人为闫子康。经营范围包括一般项目：网络技术服务；技术服务、技术开发、技术咨询、技术交流、技术转让、技术推广；软件开发；信息咨询服务（不含许可类信息咨询服务）；企业管理咨询；市场营销策划。（除依法须经批准的项目外，凭营业执照依法自主开展经营活动）（不得从事国家和本市产业政策禁止和限制类项目的经营活动。）
Language
en

Technology

CDN
Cloudflare
CMS
Gatsby

Registration

Registrar
July Name Limited
Created
2026-02-13
Expires
2027-02-13 269 days left
Updated
2026-03-23
Name servers
  • angela.ns.cloudflare.com
  • jaziel.ns.cloudflare.com

DNS records live

NS
  • angela.ns.cloudflare.com
  • jaziel.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

E8
from 2026-03-23 to 2026-06-21
Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sadjw.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)