mail.3rb.com.br - robtex.com

mail.3rb.com.br

DNSSEC⚠️ Not signed
A45.230.32.221🇧🇷 AS26717945.230.32.0/24
PTRvt01.villatoreinformatica.com.br

3rb.com.br

DNSSEC🔒 Signed (DS record present)
A18.230.146.252🇧🇷 Amazon18.230.0.0/16 EC2 GRU prefix
NSb.sec.dns.br ⭐
NSc.sec.dns.br
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTv=spf1 include:_spf.google.com
TXTgoogle-site-verification=rDBHTg9davngn2wCjTtxOHA_djF4dHYvz79pj4-8MgI
SOAb.sec.dns.brhostmaster@registro.br serial=2026204000

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DNS History

2 records (1 active, 1 former)

202120222023202420252026A45.230.32.221CNAME3rb.com.br
●A45.230.32.2212026-04-02 → 2026-07-27 · 2 obs
● 2026-04-02 01:31:18
● 2026-07-27 20:46:10
○CNAME3rb.com.br2020-04-07 → 2020-04-07 · 3 obs
● 2020-04-07 06:48:42
○ 2026-04-02 01:31:18
○ 2026-07-27 20:46:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bre.dns.br, d.dns.br, a.dns.br, c.dns.br...-
3rb.com.brb.sec.dns.br, c.sec.dns.br-

✅ Authoritative Response

Server:200.189.40.11

NS records: b.sec.dns.br, c.sec.dns.br

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1054ms | Queries: -

📄 Records

TypeCountSample Data
A145.230.32.221

Analysis

IP Addresses

mail.3rb.com.br resolves to one IP address: 45.230.32.221.

There are other host names — vt01.villatoreinformatica.com.br among them — that share IP numbers with mail.3rb.com.br.