smtp.cednet.com.br - robtex.com

smtp.cednet.com.br

DNSSEC⚠️ Not signed
A191.37.38.41🇧🇷 CEDNET191.37.38.0/24 CLARO S.A. Customer
PTRns1.cednet.net.br

cednet.com.br

DNSSEC⚠️ Not signed
A191.37.38.41🇧🇷 CEDNET191.37.38.0/24 CLARO S.A. Customer
NSns1.cednet.net.br ⭐
NSns2.cednet.net.br
MXcednet.com.br ⭐
TXTv=spf1 +ip4:191.37.55.14 +ip4:191.37.38.32/28 +a +mx -all
SOAns1.cednet.net.brnoc@cednet.com.br 2026-03-06 #5

Same first word

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DNS History

2 records (1 active, 1 former)

201820192020202120222023202420252026A191.37.38.41191.37.38.6
●A191.37.38.412026-02-18 → 2026-04-14 · 3 obs
○ 2017-08-10 18:20:42
● 2026-02-18 03:54:32
● 2026-04-14 10:39:12
○A191.37.38.62017-07-28 → 2017-08-10 · 4 obs
● 2017-07-28 16:50:46
● 2017-08-10 18:20:42
○ 2026-02-18 03:54:32
○ 2026-04-14 10:39:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brf.dns.br, d.dns.br, b.dns.br, e.dns.br...-
cednet.com.brns1.cednet.net.br, ns2.cednet.net.br-

✅ Authoritative Response

Server:191.37.38.42

NS records: ns1.cednet.net.br, ns2.cednet.net.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1221ms | Queries: -

📄 Records

TypeCountSample Data
A1191.37.38.41

Analysis

IP Addresses

smtp.cednet.com.br resolves to a single IP: 191.37.38.41.

Other host names, for instance ns1.cednet.net.br, cednet.net.br, cednetwork.com.br, fjnet.com.br and epos.com.br share IP numbers with smtp.cednet.com.br.