indexo.dev

21cn.net

.net crawl dns

First seen 2026-04-28 · Last seen 2026-05-18 · ok HTTP 200 3374 ms crawled 2026-05-05

CN · 14.116.220.229 · AS58466 CHINANET Guangdong province network

Reputation 95/100 weak security headers

Registration

Registrar
Xiamen 35.com Information Co., Ltd.
Created
1999-02-08
Expires
2031-02-08 1725 days left
Updated
2025-12-16
Name servers
  • vip3.alidns.com
  • vip4.alidns.com

DNS records live

NS
  • vip3.alidns.com
  • vip4.alidns.com
MX
  • 10 mta.21cn.com
TXT
  • v=spf1 include:mail-spf.21cn.com include:hwmail-spf.21cn.com -all
  • 6774a361306a2c8dd5671980c59b18e9104a9105fbf189290a0a70986b9c0037

Certificate (current)

WoTrus RSA OV SSL CA 2
from 2026-01-29 to 2027-03-02
Expires in 286 days

Full certificate history on crt.sh ↗

Linked from (1)