mail.xb.dev.br - robtex.com

mail.xb.dev.br

DNSSEC⚠️ Not signed
A2804:192c:c00:100:be24:11ff:fe87:bfc0🇧🇷 AS-Provedor2804:192c::/36 CLARO S.A. Customer
A143.208.136.57🇧🇷 AS-Provedor143.208.136.0/22 CUSTOMER PROSERVNET PRODUTOS E SERVICOS EIRELI - ME

xb.dev.br

DNSSEC🔒 Signed (DS record present)
A216.198.79.1🇺🇸 Amazon216.198.79.0/24 EC2 Prefix
NSd.sec.dns.br ⭐
NSf.sec.dns.br
MXmail.xb.dev.br ⭐
TXT?
TXTv=spf1 a mx ip4:143.208.136.57 ~all
SOAd.sec.dns.brhostmaster@registro.br serial=2026090000

MX for

tipapro.com
xb.dev.br

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DNS History

2 records (2 active, 0 former)

A143.208.136.572804:192c:c00:100:be24:11ff:fe87:bfc0
●A143.208.136.572026-03-29 → 2026-03-31 · 2 obs
● 2026-03-29 10:18:46
● 2026-03-31 02:56:06
●A2804:192c:c00:100:be24:11ff:fe87:bfc02026-03-29 → 2026-03-31 · 2 obs
● 2026-03-29 10:18:46
● 2026-03-31 02:56:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brf.dns.br, d.dns.br, b.dns.br, e.dns.br...-
xb.dev.brd.sec.dns.br, f.sec.dns.br-

✅ Authoritative Response

Server:200.160.0.14

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 804ms | Queries: -

📄 Records

TypeCountSample Data
A1143.208.136.57
AAAA12804:192c:c00:100:be24:11ff:fe87:bfc0

Analysis

Mail Server Role

mail.xb.dev.br handles mail for tipapro.com and xb.dev.br.

With mail.xb.dev.br, alt3.aspmx.l.google.com is commonly used as a mail server.

IP Addresses

mail.xb.dev.br points to two IPs: 2804:192c:c00:100:be24:11ff:fe87:bfc0 and 143.208.136.57.