indexo.dev

zuolin.com

.com crawl

First seen 2026-04-17 · Last seen 2026-05-18 · ok HTTP/1.1 200 1810 ms crawled 2026-05-12

CN · 112.124.0.34 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 100/100

sector tech type homepage

HTML metadata

Title
智慧园区平台_智慧园区智慧写字楼运营平台领导品牌
Description
左邻，领先的园区智慧运营管理平台！左邻永佳致力于通过人工智能、物联网、大数据等技术手段，提供智慧园区一体化管理平台、智慧写字楼综合运营管理平台、5G智慧园区解决方案等，帮园区、写字楼、校园、社区等提升工作效率和服务品质，沉淀数据，共筑空间智慧生态圈。
Language
zh-CN

Technology

Server
nginx

Third-party hosts loaded (1)

  • szcert.ebs.org.cn×1

Contact

Phone

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2003-12-30
Expires
2026-12-30 225 days left
Updated
2025-12-26
Name servers
  • vip3.alidns.com
  • vip4.alidns.com

DNS records live

NS
  • vip3.alidns.com
  • vip4.alidns.com
MX
  • 10 hzmx02.mxmail.netease.com
  • 5 hzmx01.mxmail.netease.com

Email authentication strong

SPF
v=spf1 include:spf.163.com -all
strict (-all)
DMARC
v=DMARC1;p=quarantine;fo=1;rua=mailto:admin@zuolin.com
policy: quarantine
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt2UvWtF42rJgzs2K3kY/GRMBL9sZili6bK4oo1Zvg8mraxXNbmh3aYbmxsYqWKtapa3Nh4+b9qLv32…
selectors probed

Certificate (current)

Xcc Trust OV SSL CA
from 2026-03-04 to 2027-03-04
Expires in 289 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://zuolin.com/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • missing Content Security Policy
  • weak frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
ALLOWALL
x-content-type-options
nosniff
strict-transport-security
max-age=63072000; includeSubDomains; preload

Links to (3)

Linked from (2)