mail.riscozero.com.br - robtex.com

mail.riscozero.com.br

DNSSEC⚠️ Not signed
A189.7.105.173🇧🇷 AS28573189.7.104.0/21 CLARO S.A. Customer
PTRmail.riscozero.com.br
A201.139.92.223🇧🇷 UNSPECIFIED201.139.92.0/24 E2Network Telecom Brasil Ltda.

riscozero.com.br

DNSSEC🔒 Signed (DS record present)
A189.7.105.173🇧🇷 AS28573189.7.104.0/21 CLARO S.A. Customer
NSe.sec.dns.br ⭐
NSf.sec.dns.br
MXriscozero-com-br.mail.protection.outlook.com ⭐
TXTMS=5ECDB5CD0C05CB65C06D30BAC50C04E455B860A8
TXTv=spf1 mx ip4:201.139.92.223 ip4:189.7.105.173 ip4:50.19.243.6 include:spf.pr...
SOAe.sec.dns.brhostmaster@registro.br serial=2026070000

PTR for

223.92.139.201.in-addr.arpa
173.105.7.189.in-addr.arpa

Same first word

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DNS History

3 records (2 active, 1 former)

2017201820192020202120222023202420252026A189.7.105.173201.139.92.223200.175.100.8
●A189.7.105.1732026-03-09 → 2026-03-28 · 3 obs
○ 2016-12-31 04:17:46
● 2026-03-09 03:05:16
● 2026-03-28 12:24:26
○A200.175.100.82016-12-31 → 2016-12-31 · 3 obs
● 2016-12-31 04:17:46
○ 2026-03-09 03:05:16
○ 2026-03-28 12:24:26
●A201.139.92.2232026-03-09 → 2026-03-28 · 3 obs
○ 2016-12-31 04:17:46
● 2026-03-09 03:05:16
● 2026-03-28 12:24:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, c.dns.br, b.dns.br, d.dns.br...-
riscozero.com.bre.sec.dns.br, f.sec.dns.br-

✅ Authoritative Response

Server:200.189.40.14

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1046ms | Queries: -

📄 Records

TypeCountSample Data
A2189.7.105.173, 201.139.92.223

Analysis

IP Addresses

mail.riscozero.com.br resolves to two IPs: 189.7.105.173 and 201.139.92.223.

Other host names, for instance a.mx.riscozero.com.br, riscozero.com.br and cambarasa.com.br share IP numbers with mail.riscozero.com.br.