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021network.net

.net ok HTTP/1.1 200 2798 ms

First seen 2026-06-01 · Last seen 2026-06-15 · crawled 2026-06-15

HK · 47.243.88.196 · AS45102 Alibaba (US) Technology Co., Ltd.

Reputation 70/100 wrong cert weak security headers

sector tech subsector it services type landing page

HTML metadata

Title
上海网络维修公司 - 专业上门维修网络、解决各种网络故障！
Description
专为上海地区客户提供网络维修、网络维护、网络安装、网络调试等上门维修服务。快速响应、附近上门维修、解决各种网络故障!
Language
zh-CN

Contact

Technology

Server
nginx
CMS
WordPress

Third-party hosts loaded (2)

  • s.w.org×1
  • s5.cnzz.com×1

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2016-09-29
Expires
2026-09-29 99 days left
Updated
2025-10-01
Name servers
  • dns10.hichina.com
  • dns9.hichina.com

DNS records live

NS
  • dns10.hichina.com
  • dns9.hichina.com

Email authentication no MX

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

Certificate (current) wrong cert

R12
from 2026-03-15 to 2026-06-13
Expired 8 days ago

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://www.021network.net/

present
  • strict-transport-security
findings
  • checked over plain HTTP
  • 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 (1)

Linked from (2)

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