indexo.dev

sajushiwang.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-17 · ok HTTP/1.1 200 927 ms crawled 2026-05-11

US · 188.114.96.3 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
北京聚师网教育科技有限公司
Description
北京聚师网教育科技有限公司（以下简称“聚师网”）成立于2018年2月，总部位于北京市丰台科技园区。 聚师网自成立伊始，秉承以提供教师资格证备考学习解决方案为基石，以“减法教学”的学习模式为教育教学理念，坚持以德为魂、以人为本的综合素质教育方针。
Language
en

Technology

CDN
Cloudflare
CMS
Gatsby

Third-party hosts loaded (1)

  • cdn.staticfile.org×1

Registration

Registrar
July Name Limited
Created
2025-10-24
Expires
2026-10-24 158 days left
Updated
2026-03-06
Name servers
  • adaline.ns.cloudflare.com
  • lennox.ns.cloudflare.com

DNS records live

NS
  • adaline.ns.cloudflare.com
  • lennox.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

E8
from 2026-05-04 to 2026-08-02
Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

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