mx1.cbtusb.com - robtex.com
mx1.cbtusb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 46.4.12.146🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3 | ||||||
| PTR | static.146.12.4.46.clients.your-server.de | ||||||
cbtusb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 34.209.195.255🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix | ||||||
| NS | ns1.cbtusb.com ⭐ | ||||||
| NS | ns1.csof.net | ||||||
| NS | ns2.csof.net | ||||||
| NS | ns3.csof.net | ||||||
| NS | ns4.csof.net | ||||||
| MX | mx1.cbtusb.com ⭐ | ||||||
| MX | mx2.cbtusb.com ⭐ | ||||||
| TXT | v=spf1 include:_incspfcheck.mailspike.net ?all | ||||||
| SOA | ns1.cbtusb.comhostmaster@cbtusb.com serial=1785849263 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A46.4.12.1462026-08-04 → 2026-08-04 · 2 obs
● 2026-08-04 16:10:04
● 2026-08-04 18:44:32
● 2026-08-04 18:44:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| cbtusb.com | ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net | - |
✅ Authoritative Response
Server:18.205.186.231
NS records: ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cbtusb.com (unsigned zone)
⏱️ Timing
Total: 328ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.4.12.146 |
Analysis
Mail Server Role
mx1.cbtusb.com is a mail server for cbtusb.com.
mx2.cbtusb.com is a mail server commonly deployed alongside mx1.cbtusb.com.
IP Addresses
mx1.cbtusb.com directs to one IP number, which is 46.4.12.146.
Among the host names that share IP numbers with mx1.cbtusb.com are mx1.aocxu.com, mx1.jndyfjc.com, mx1.0718c72380b5dac3fe9cbc9fbb33df75.xyz and two others.