mail.rbrain.vn - robtex.com

mail.rbrain.vn

DNSSEC⚠️ Not signed
A123.30.136.234🇻🇳 VDC123.30.136.0/24 VNPT
PTRip-123-30-136-234.defastlink.net

rbrain.vn

DNSSEC⚠️ Not signed
A123.30.136.234🇻🇳 VDC123.30.136.0/24 VNPT
NSns1.matbao.vn ⭐ ⚠️ Not in parent delegation
NSns1.matbao.com ⚠️ Not in zone NS records
NSns2.matbao.com ⚠️ Not in zone NS records
NSns2.matbao.vn ⚠️ Not in parent delegation
MXmail.rbrain.vn ⭐
SOAns1.matbao.vnadmin@matbao.com 2023-05-29 #3

MX for

rbrain.vn

Same first word

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DNS History

1 record (1 active, 0 former)

A123.30.136.234
●A123.30.136.2342026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 14:07:14
● 2026-05-09 17:19:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnb.dns-servers.vn, a.dns-servers.vn, f.dns-servers.vn, e.dns-servers.vn...-
rbrain.vnns1.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: 1389ms | Queries: -

📄 Records

TypeCountSample Data
A1123.30.136.234

Analysis

Mail Server Role

mail.rbrain.vn serves as a mail server for rbrain.vn.

IP Addresses

mail.rbrain.vn resolves to one IP number: 123.30.136.234.

Other host names, for instance tmtc.vn, tils.tuaf.edu.vn, chodat.com.vn, apmatic.vn and muadatnenquan9.com share IP numbers with mail.rbrain.vn.