3ins.net

.net crawl

First seen 2026-04-21 · Last seen 2026-05-15 · ok HTTP/1.1 200 2994 ms crawled 2026-05-15

CN · 117.50.51.133 · AS4808 China Unicom Beijing Province Network

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: 首页 - 广东三好科技有限公司
Description: 广东三好科技有限公司

Technology

Server: Microsoft-IIS

Contact

Phone

Registration

Registrar

Xin Net Technology Corporation

Created

2016-09-01

Expires

2028-09-01 835 days left

Updated

2025-09-17

Name servers

ns11.xincache.com
ns12.xincache.com

DNS records live

NS

ns11.xincache.com
ns12.xincache.com

MX

10 mxbiz2.qq.com
5 mxbiz1.qq.com

Email authentication weak

SPF: v=spf1 include:spf.mail.qq.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

XinNet DV TLS CA

from 2025-08-16 to 2026-08-19

Expires in 91 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://3ins.net/

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Linked from (1)

ifscc.org×2