webmail.rbrain.vn - robtex.com
webmail.rbrain.vn
| CNAME | rbrain.vn | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 123.30.136.234🇻🇳 VDC123.30.136.0/24 VNPT | ||||||
| PTR | c123234.vinahost.org | ||||||
| NS | ns1.matbao.vn ⭐ ⚠️ Not in parent delegation | ||||||
| A | 13.250.228.99🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix | ||||||
| PTR | ec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com | ||||||
| A | 103.110.128.60🇻🇳 AXYS-VN103.110.128.0/23 | ||||||
| NS | ns1.matbao.com ⚠️ Not in zone NS records | ||||||
| A | 13.250.228.99🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix | ||||||
| PTR | ec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com | ||||||
| A | 103.110.128.60🇻🇳 AXYS-VN103.110.128.0/23 | ||||||
| NS | ns2.matbao.com ⚠️ Not in zone NS records | ||||||
| A | 35.198.203.127🇸🇬 Google35.198.192.0/20 | ||||||
| PTR | 127.203.198.35.bc.googleusercontent.com | ||||||
| A | 103.138.89.11🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET | ||||||
| NS | ns2.matbao.vn ⚠️ Not in parent delegation | ||||||
| A | 35.198.203.127🇸🇬 Google35.198.192.0/20 | ||||||
| PTR | 127.203.198.35.bc.googleusercontent.com | ||||||
| A | 103.138.89.11🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET | ||||||
| MX | mail.rbrain.vn ⭐ | ||||||
| A | 123.30.136.234🇻🇳 VDC123.30.136.0/24 VNPT | ||||||
| PTR | c123234.vinahost.org | ||||||
| SOA | ns1.matbao.vnadmin@matbao.com 2023-05-29 #3 | ||||||
rbrain.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 123.30.136.234🇻🇳 VDC123.30.136.0/24 VNPT | ||||||
| NS | ns1.matbao.vn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.matbao.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.matbao.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.matbao.vn ⚠️ Not in parent delegation | ||||||
| MX | mail.rbrain.vn ⭐ | ||||||
| SOA | ns1.matbao.vnadmin@matbao.com 2023-05-29 #3 | ||||||
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| rbrain.vn | ns1.matbao.com, ns2.matbao.com | - |
✅ Authoritative Response
Server:103.138.89.11
NS records: ns1.matbao.com, ns2.matbao.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rbrain.vn (unsigned zone)
⏱️ Timing
Total: 1296ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | rbrain.vn |
Analysis
IP Addresses
webmail.rbrain.vn resolves to one IP number: 123.30.136.234.
other host names including xettuyen.tuaf.edu.vn, ffl.hcmute.edu.vn, mail.lapduan.com.vn, mail.marybook.vn and rbrain.vn share IP numbers with webmail.rbrain.vn.
Name Servers
webmail.rbrain.vn is delegated to four name servers: ns1.matbao.com, ns2.matbao.com, ns1.matbao.vn and ns2.matbao.vn.
webmail.rbrain.vn at least partially shares name servers with other domains, for instance lamdongtourism.com.vn, tigifood.com, smosolutions.vn, yummione.com and slidefactory.vn.
these name servers are commonly used alongside ns-bak.matbao.com.
Host names with two IP numbers:
ns1.matbao.com points to: 13.250.228.99 and 103.110.128.60
ns2.matbao.com points to: 35.198.203.127 and 103.138.89.11
ns1.matbao.vn points to: 13.250.228.99 and 103.110.128.60
ns2.matbao.vn points to: 35.198.203.127 and 103.138.89.11
Host names that point to 13.250.228.99: ns1.matbao.com and ns1.matbao.vn
Host names that point to 103.110.128.60: ns1.matbao.com and ns1.matbao.vn
Host names that point to 35.198.203.127: ns2.matbao.com and ns2.matbao.vn
Host names that point to 103.138.89.11: ns2.matbao.com and ns2.matbao.vn
Mail Servers
webmail.rbrain.vn is handled by a single mail server, mail.rbrain.vn.
webmail.rbrain.vn shares the same mail server setup as other domains, for instance rbrain.vn.
mail.rbrain.vn resolves to IP 123.30.136.234.