mail.masut.com.br - robtex.com

mail.masut.com.br

DNSSEC⚠️ Not signed
A186.202.137.251🇧🇷 Locaweb186.202.136.0/22 Servicos de Internet SA
PTRmail.transmasut.com.br

masut.com.br

DNSSEC🔒 Signed (DS record present)
A150.230.74.81🇧🇷 ORACLE-OCI-31898150.230.64.0/19 Oracle Corporation
NSd.sec.dns.br ⭐
NSe.sec.dns.br
MXmail.masut.com.br ⭐
TXTv=spf1 ip4:186.202.137.251 -all
SOAd.sec.dns.brhostmaster@registro.br serial=2026117000

MX for

transmasut.com.br
masut.com.br

Previously MX for

grupomasut.com.br

Same first word

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DNS History

2 records (1 active, 1 former)

202120222023202420252026A186.202.137.25135.168.119.185
●A186.202.137.2512026-03-18 → 2026-05-14 · 3 obs
○ 2020-03-18 06:58:48
● 2026-03-18 19:49:44
● 2026-05-14 06:28:50
○A35.168.119.1852020-03-18 → 2020-03-18 · 3 obs
● 2020-03-18 06:58:48
○ 2026-03-18 19:49:44
○ 2026-05-14 06:28:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, c.dns.br, e.dns.br, d.dns.br...-
masut.com.brd.sec.dns.br, e.sec.dns.br-

✅ Authoritative Response

Server:200.192.232.14

NS records: d.sec.dns.br, e.sec.dns.br

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1064ms | Queries: -

📄 Records

TypeCountSample Data
A1186.202.137.251

Analysis

Mail Server Role

The mail server for transmasut.com.br and masut.com.br is mail.masut.com.br.

IP Addresses

mail.masut.com.br points to a single IP address: 186.202.137.251.

Other host names, for instance mail.transmasut.com.br, share IP numbers with mail.masut.com.br.