indexo.dev

zhaoyouke.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-19 · ok HTTP/1.1 200 1748 ms crawled 2026-05-14

US · 172.67.205.133 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
唐山教培信息技术有限公司 找优课网
Description
唐山教培信息技术有限公司成立于2020年04月15日，注册地位于河北省唐山市路北区智源里凤城现代广场1楼315号（地址承诺），法定代表人为任跃强。经营范围包括技术推广服务、教育咨询（不含培训）、信息技术咨询服务、软件开发、发布国内各类广告、企业形象策划、市场调查服务、市场营销策划（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
2026-01-16
Expires
2027-01-16 240 days left
Updated
2026-03-23
Name servers
  • ashton.ns.cloudflare.com
  • sandra.ns.cloudflare.com

DNS records live

NS
  • ashton.ns.cloudflare.com
  • sandra.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

E7
from 2026-03-23 to 2026-06-21
Expires in 31 days

Full certificate history on crt.sh ↗

HTTP security headers

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