indexo.dev

52jiankong.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 5288 ms crawled 2026-05-07

CN · 101.133.233.172 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 100/100

Classifying

HTML metadata

Title
北京监控安装_安装监控摄像头_智能监控系统-北京世通鑫宇监控公司
Description
北京世通鑫宇监控安装公司是海康威视，浙江大华的一级经销商，业务范围包括安装监控摄像机、综合布线、门禁系统等，20年行业经验，服务北京3000家客户，是您的信赖之选
Language
zh-CN

Technology

Server
nginx

Third-party hosts loaded (1)

  • at.alicdn.com×1

Contact

Phone

Registration

Registrar
eName Technology Co., Ltd.
Created
2012-05-09
Updated
2025-05-10
Name servers
  • ns1.alidns.com
  • ns2.alidns.com

DNS records live

NS
  • ns1.alidns.com
  • ns2.alidns.com

Email authentication no MX

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

Certificate (current)

R13
from 2026-04-15 to 2026-07-14
Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.52jiankong.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Links to (2)

Linked from (1)