mx03.mx-server.net - dns.ninja
mx03.mx-server.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 186.202.4.42🇧🇷 Locaweb186.202.0.0/19 Servicos de Internet SA | ||||||
| PTR | mx.a.locaweb.com.br | ||||||
mx-server.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.mx-server.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.locaweb.com.br ⚠️ Not in zone NS records | ||||||
| NS | ns2.locaweb.com.br ⚠️ Not in zone NS records | ||||||
| NS | ns2.mx-server.net ⚠️ Not in parent delegation | ||||||
| NS | ns3.locaweb.com.br ⚠️ Not in zone NS records | ||||||
| NS | ns3.mx-server.net ⚠️ Not in parent delegation | ||||||
| MX | mx.a.mx-server.net ⭐ | ||||||
| TXT | v=spf1 include:_spf.locaweb.com.br ?all | ||||||
| SOA | ns1.mx-server.netpostmaster@mx-server.net 2011-01-17 #1 | ||||||
MX for
Previously MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A186.202.4.422015-07-14 → 2026-08-05 · 2 obs
● 2015-07-14 04:09:26
● 2026-08-05 05:43:30
● 2026-08-05 05:43:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mx-server.net | ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br | - |
✅ Authoritative Response
Server:189.126.101.254
NS records: ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mx-server.net (unsigned zone)
⏱️ Timing
Total: 619ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 186.202.4.42 |
Analysis
Mail Server Role
mx03.mx-server.net serves as a mail server for cengage.com.br.
As mail servers, mx01.mx-server.net and mx02.mx-server.net are frequently found alongside mx03.mx-server.net.
IP Addresses
mx03.mx-server.net points to a single IP number: 186.202.4.42.
Additional host names — mx2.ig.correio.biz, mx01.mx-server.net, smtp-gw.magicweb.com.br and two others — share IP numbers with mx03.mx-server.net.