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jiandanw.com

.com crawl

First seen 2026-05-26 · Last seen 2026-05-31 · ok HTTP/1.1 200 420 ms crawled 2026-05-31

CN · 14.22.115.122 · AS135089 China Telecom

Reputation 70/100 wrong cert weak security headers

sector education type forum

HTML metadata

Title
简单网 - 亿级专业教育数据平台_金融建筑/考研考公/升学考试精英交流社区
Description
简单网（jiandanw.com）汇聚超1.14亿条权威教育数据，专为高价值教育人群打造的精英交流社区。平台深度聚焦金融财会、建筑工程、考研考公及升学规划等高付费领域。不仅提供海量精准的知识检索，更开放专业发帖权限，诚邀行业精英、资深考生与教育专家入驻分享实战经验、探讨行业趋势，共建高价值的专业知识生态圈。

Technology

Server
nginx
CMS
Gatsby

Contact

Phone

Registration

Registrar
22net, Inc.
Created
2011-01-26
Expires
2027-01-26 235 days left
Updated
2026-02-12
Name servers
  • ns1.22.cn
  • ns2.22.cn

DNS records live

NS
  • ns1.22.cn
  • ns2.22.cn

Email authentication no MX

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

Certificate (current) wrong cert

LiteSSL RSA CA 2025
from 2026-05-30 to 2026-08-28
Expires in 85 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://jiandanw.com/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (3)