mail.cfbrain.com.cn - robtex.com
mail.cfbrain.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.91.240.165🇨🇳 CHINANET-BACKBONE202.91.240.0/21 China Telecom Network | ||||||
cfbrain.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.129.167.74🇨🇳 CHINANET-BACKBONE183.128.0.0/11 China Telecom Network | ||||||
| NS | dns3.hichina.com ⭐ | ||||||
| NS | dns4.hichina.com | ||||||
| MX | mail.cfbrain.com.cn ⭐ | ||||||
| TXT | v=spf1 mx:mail.cfbrain.com.cn ip4:202.91.240.162 -all | ||||||
| SOA | dns3.hichina.comhostmaster@hichina.com 2026-06-04 #13 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A202.91.240.1652026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 00:19:32
● 2026-07-28 14:32:36
● 2026-07-28 14:32:36
🔍 DNS Trace
Analysis
Mail Server Role
Mail for cfbrain.com.cn is routed through the mail server mail.cfbrain.com.cn.
IP Addresses
mail.cfbrain.com.cn has exactly one IP address — 202.91.240.165.
There are other host names — mail.cfbrain.cn among them — that share IP numbers with mail.cfbrain.com.cn.