mail.opus2.com.br - robtex.com

mail.opus2.com.br

DNSSEC⚠️ Not signed
A189.4.2.5🇧🇷 AS28573189.4.0.0/21 CLARO S.A. Customer
PTRmail.opus2.net.br

opus2.com.br

DNSSEC⚠️ Not signed
A189.4.2.5🇧🇷 AS28573189.4.0.0/21 CLARO S.A. Customer
NSns1.opus2.com.br ⭐
NSns1.he.net
MXmail.opus2.net.br ⭐
TXTv=spf1 mx a ip4:189.4.2.5/32 include:sendgrid.net -all
SOAns1.opus2.com.brsuporte@opus2.com.br 2026-03-29 #13

Previously MX for

opus2.com.br

Same first word

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DNS History

2 records (1 active, 1 former)

197019751980198519901995200020052010201520202025A189.4.2.5200.146.85.175
●A189.4.2.52026-03-03 → 2026-03-31 · 3 obs
○ 2016-05-22 13:24:24
● 2026-03-03 07:49:58
● 2026-03-31 18:48:16
○A200.146.85.1751970-01-01 → 2016-05-22 · 4 obs
● 1970-01-01 00:00:00
● 2016-05-22 13:24:24
○ 2026-03-03 07:49:58
○ 2026-03-31 18:48:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, b.dns.br, c.dns.br, d.dns.br...-
opus2.com.brns1.opus2.com.br, ns1.he.net1 record

✅ Authoritative Response

Server:216.218.130.2

NS records: ns1.opus2.com.br, ns1.he.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opus2.com.br (unsigned zone)

⏱️ Timing

Total: 1217ms | Queries: -

📄 Records

TypeCountSample Data
A1189.4.2.5

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (ns1.opus2.com.br)

Analysis

IP Addresses

mail.opus2.com.br points to a single IP: 189.4.2.5.

Other host names, for instance ns1.sf6.com.br, mail.sf6.com.br, opus2.com.br, luckypet.com.br and mail.almarweb.com.br share IP numbers with mail.opus2.com.br.