indexo.dev

dxguanxian.org

.org crawl

First seen 2026-04-16 · Last seen 2026-05-11 · ok HTTP/1.1 200 4312 ms crawled 2026-05-11

CN · 123.57.238.26 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 94/100 dmarc monitor-only

sector other type homepage

HTML metadata

Title
2026中国南京国际管网展览会，城市生命线大会，地下管网，管网改造展
Description
第十三届中国国际管网展在原有基础上扩大规模，展览面积将超50000平米，预计吸引展商数800余家，专业观众60000余人次，与2026年南京召开！管网改造展！
Language
zh-CN

Technology

Server
nginx

Contact

Phone

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2011-11-07
Expires
2026-11-07 171 days left
Updated
2025-10-21
Name servers
  • dns13.hichina.com
  • dns14.hichina.com

DNS records live

NS
  • dns13.hichina.com
  • dns14.hichina.com
MX
  • 10 mx2.qiye.aliyun.com
  • 15 mx3.qiye.aliyun.com
  • 5 mx1.qiye.aliyun.com

Email authentication partial

SPF
v=spf1 include:spf.qiye.aliyun.com -all
strict (-all)
DMARC
v=DMARC1; p=none; fo=1; ruf=mailto:dmarc@qiye.163.com; rua=mailto:dmarc_report@qiye.163.com
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-25 to 2026-07-24
Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://dxguanxian.org/

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 (25)

Linked from (1)