cfbrain.cn - robtex.com
cfbrain.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.91.240.162🇨🇳 CHINANET-BACKBONE202.91.240.0/21 China Telecom Network | ||||||
| NS | dns27.hichina.com ⭐ | ||||||
| A | 2408:4009:501::35🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.39🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.59🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.199🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.219🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.39🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.59🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.99🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.109🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | dns28.hichina.com | ||||||
| A | 2408:4009:501::36🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.37🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.62🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.197🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.221🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.37🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.62🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.102🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.107🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| MX | mail.cfbrain.cn ⭐ | ||||||
| A | 202.91.240.165🇨🇳 CHINANET-BACKBONE202.91.240.0/21 China Telecom Network | ||||||
| TXT | v=spf1 mx:mail.cfbrain.com.cn ip4:202.91.240.162 -all | ||||||
| SOA | dns27.hichina.comhostmaster@hichina.com 2026-05-28 #9 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035099810 | ||||||
Subdomains
mail.cfbrain.cn |
Same first word
Similar names
nfabric.io |
cbinfra.com |
firabcn.cat |
infrabc.com |
binfrac.com |
firabcn.org |
fcbrain.com |
firabcn.es |
bcinfra.net |
nfabric.net |
fancrib.com |
firabcn.com |
infrabc.xyz |
barfinc.com |
DNS History
4 records (4 active, 0 former)
●NSdns27.hichina.com2026-04-09 → 2026-07-28 · 2 obs
● 2026-07-28 03:48:54
●NSdns28.hichina.com2026-04-09 → 2026-07-28 · 2 obs
● 2026-07-28 03:48:54
●MXmail.cfbrain.cn2026-04-09 → 2026-07-28 · 2 obs
● 2026-07-28 03:48:54
●A202.91.240.1622026-04-09 → 2026-07-28 · 2 obs
● 2026-07-28 03:48:54
🔍 DNS Trace
Analysis
Hierarchy
cfbrain.cn serves as the parent of mail.cfbrain.cn.
IP Addresses
cfbrain.cn resolves to one IP address: 202.91.240.162.
Name Servers
cfbrain.cn uses two name servers for its delegation: dns27.hichina.com and dns28.hichina.com.
cfbrain.cn uses the same name servers as several other domains — among them xn--tfrrvihu7go93i.com, megviihetu.com, zhuangliren.com and two more.
cfbrain.cn has at least partial name server overlap with other domains, such as dayfilms.com, 56053.com, aiqcv.com and two others.
expirens3.hichina.com, expirens4.hichina.com and ns3.afternic.com — plus 7 other name servers — are commonly paired with these name servers.
Hostnames that resolve to 9 IP addresses:
Hostname dns27.hichina.com directs to 39.96.153.39, 39.96.153.59 and 47.118.199.199 along with 6 other IP addresses.
Hostname dns28.hichina.com directs to 39.96.153.37, 39.96.153.62 and 47.118.199.197 along with 6 other IP addresses.
Mail Servers
Mail for cfbrain.cn is handled by a single mail server, mail.cfbrain.cn.
mail.cfbrain.cn directs to just one IP number, 202.91.240.165.