520dh.com

.com crawl

First seen 2026-05-29 · Last seen 2026-06-02 · ok HTTP/1.1 200 4330 ms crawled 2026-05-31

CN · 121.205.88.100 · AS133776 Quanzhou

Reputation 100/100

Classifying

HTML metadata

Title: 520导航 - 综合网址导航平台_全网网站收录_优质资源大全
Description: 520 导航是多功能综合网址导航平台，支持全网网站免费收录与自主提交，整合AI工具、办公协作、游戏娱乐、教育学习、新闻资讯等各类优质站点，分类清晰、纯净无广告，为用户提供高效便捷的上网入口，助力站长流量引流与网站曝光。
Language: zh-Hans

Open Graph

url: https://www.520dh.com
title: 520导航 - 综合网址导航平台_全网网站收录_优质资源大全
site name: 520导航
description: 520 导航是多功能综合网址导航平台，支持全网网站免费收录与自主提交，整合AI工具、办公协作、游戏娱乐、教育学习、新闻资讯等各类优质站点，分类清晰、纯净无广告，为用户提供高效便捷的上网入口，助力站长流量引流与网站曝光。

Technology

Server: nginx
CMS: WordPress
jQuery: 5.57

Third-party hosts loaded (4)

thirdqq.qlogo.cn×16
www.dh0.cn×7
at.alicdn.com×2
js.llk.hk×1

Contact

Email

admin@dh0.cn

Phone

2024177666

Registration

Registrar

Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)

Created

2024-12-26

Expires

2027-12-26 569 days left

Updated

2026-04-10

Name servers

dns25.hichina.com
dns26.hichina.com

DNS records live

NS

dns25.hichina.com
dns26.hichina.com

Email authentication no MX

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

Certificate (current)

LiteSSL RSA CA 2025

from 2026-04-21 to 2026-07-20

Expires in 46 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.520dh.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