mx.castro.com.br - robtex.com
mx.castro.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 200.155.160.201🇧🇷 UNSPECIFIED200.155.160.0/23 Telium Networks | ||||||
| PTR | mx.telium.com.br | ||||||
castro.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 208.115.208.53🇺🇸 Limestone Networks208.115.192.0/18 Inc. 400 S. Akard Street Dallas, TX 75202 US =20 | ||||||
| NS | castro.com.br ⭐ | ||||||
| NS | ns1.ifxwh.com.br ⚠️ Not in zone NS records | ||||||
| NS | ns1.telium.com.br ⚠️ Not in parent delegation | ||||||
| NS | ns2.ifxwh.com.br ⚠️ Not in zone NS records | ||||||
| NS | ns2.telium.com.br ⚠️ Not in parent delegation | ||||||
| NS | ns3.ifxwh.com.br ⚠️ Not in zone NS records | ||||||
| NS | ns3.telium.com.br ⚠️ Not in parent delegation | ||||||
| MX | mx.castro.com.br ⭐ | ||||||
| TXT | v=spf1 mx include:spf.telium.com.br -all | ||||||
| SOA | castro.com.brpostmaster@castro.com.br 2025-03-17 #2 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A200.155.160.2012015-08-16 → 2026-04-19 · 2 obs
● 2015-08-16 10:45:42
● 2026-04-19 04:15:38
● 2026-04-19 04:15:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | b.dns.br, c.dns.br, f.dns.br, e.dns.br... | - |
| castro.com.br | ns1.ifxwh.com.br, ns3.ifxwh.com.br, ns2.ifxwh.com.br | - |
✅ Authoritative Response
Server:200.201.158.74
NS records: ns1.ifxwh.com.br, ns3.ifxwh.com.br, ns2.ifxwh.com.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for castro.com.br (unsigned zone)
⏱️ Timing
Total: 979ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 200.155.160.201 |
Analysis
Mail Server Role
mx.castro.com.br is the mail server for castro.com.br.
IP Addresses
mx.castro.com.br points to a single IP number: 200.155.160.201.
other host names for instance mx.yoshimura.com.br, mx.zenserigrafia.com.br, mx.worldbras.com.br, mx.spier.com.br and mx.szk.com.br share IP numbers with mx.castro.com.br.