mx2.cbtusb.com - robtex.com
mx2.cbtusb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 46.4.10.173🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3 | ||||||
| PTR | static.173.10.4.46.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)
●A46.4.10.1732026-08-04 → 2026-08-04 · 2 obs
● 2026-08-04 16:10:04
● 2026-08-04 18:40:56
● 2026-08-04 18:40:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net... | - |
| cbtusb.com | ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net | - |
✅ Authoritative Response
Server:52.20.19.77
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: 383ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.4.10.173 |
Analysis
Mail Server Role
Mail for cbtusb.com is routed through the mail server mx2.cbtusb.com.
mx1.cbtusb.com frequently appears as a mail server alongside mx2.cbtusb.com.
IP Addresses
mx2.cbtusb.com has exactly one IP address — 46.4.10.173.
mx2.6276f3db25d84a0e394c0b784e5e5fe4.xyz, mx2.3f02eeb63fc2c4d745ad07a12f265c1c.org, mx2.storemayor.net plus two other host names have IP numbers in common with mx2.cbtusb.com.