indexo.dev

51.net

.net dns crawl

First seen 2026-05-06 · Last seen 2026-05-19 · ok HTTP/1.1 200 2727 ms crawled 2026-05-13

CN · 117.78.50.71 · AS55990 Huawei Cloud Service data center

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
虎翼网 - 虎翼网（51.net）：虚拟主机，域名注册，16年服务！
Description
虎翼网虚拟主机是市场上稳定性非常高的虚拟主机产品! 所有虚拟主机免费试用10天,ICANN和CNNIC认证!企业版虚拟主机16年运营中在线率超过99.99%！虎翼网是域名注册机构。高端后台虚拟主机管理系统

Technology

Server
nginx

Third-party hosts loaded (2)

  • pub.idqqimg.com×2
  • kxlogo.knet.cn×1

Registration

Registrar
Bizcn.com, Inc.
Created
1997-11-04
Expires
2028-12-29 954 days left
Updated
2026-02-12
Name servers
  • ns1.51.net
  • ns2.51.net

DNS records live

NS
  • dns1.51.net
  • dns2.51.net
MX
  • 10 mxbiz2.qq.com
  • 5 mxbiz1.qq.com

Email authentication weak

SPF
v=spf1 ip4:49.4.6.29 include:spf.mail.qq.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-09-25 to 2026-09-27
Expires in 130 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://51.net/

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 (2)