ctb9.com - robtex.com
ctb9.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 34.229.166.50🇺🇸 Amazon | ||||||
| PTR | ec2-34-229-166-50.compute-1.amazonaws.com | ||||||
| NS | ns4.csof.net ⭐ | ||||||
| A | 52.20.19.77🇺🇸 Amazon | ||||||
| PTR | ec2-52-20-19-77.compute-1.amazonaws.com | ||||||
| NS | ns1.csof.net | ||||||
| A | 18.205.186.231🇺🇸 Amazon | ||||||
| PTR | ec2-18-205-186-231.compute-1.amazonaws.com | ||||||
| NS | ns2.csof.net | ||||||
| A | 23.21.178.27🇺🇸 Amazon | ||||||
| PTR | ec2-23-21-178-27.compute-1.amazonaws.com | ||||||
| NS | ns3.csof.net | ||||||
| A | 3.214.185.54🇺🇸 Amazon | ||||||
| PTR | ec2-3-214-185-54.compute-1.amazonaws.com | ||||||
| MX | mx1.ctb9.com ⭐ | ||||||
| A | 46.4.12.146🇩🇪 Hetzner | ||||||
| PTR | static.146.12.4.46.clients.your-server.de | ||||||
| MX | mx2.ctb9.com ⭐ | ||||||
| A | 46.4.10.173🇩🇪 Hetzner | ||||||
| PTR | static.173.10.4.46.clients.your-server.de | ||||||
| TXT | v=spf1 include:_incspfcheck.mailspike.net ?all | ||||||
| SOA | ns4.csof.nethostmaster@ctb9.com serial=1771831640 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Similar names
DNS History
7 records (7 active, 0 former)
●MXmx1.ctb9.com2026-02-23 → 2026-02-23 · 2 obs
● 2026-02-23 07:28:36
●MXmx2.ctb9.com2026-02-23 → 2026-02-23 · 2 obs
● 2026-02-23 07:28:36
●A34.229.166.502026-02-23 → 2026-02-23 · 2 obs
● 2026-02-23 07:28:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ctb9.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 ctb9.com (unsigned zone)
⏱️ Timing
Total: 104ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 34.229.166.50 |
| NS | 4 | ns4.csof.net, ns1.csof.net... |
| MX | 2 | mx2.ctb9.com (pri: 10), mx1.ctb9.com (pri: 10) |
| TXT | 1 | v=spf1 include:_incspfcheck.mailspike.ne |
| SOA | 1 | ns4.csof.net hostmaster.ctb9.com |
AI analysis
ctb9.com maps to IP address 34.229.166.50.
Other host names, for instance ceecb56f25631eff2c0a2bbca4d3ec8b.info, ns5.xyufsmd.cc, 9ba337a70edad5134aa75476c31232c4.com, clientstatsservice.com and m36.nbedwwb.in share IP numbers with ctb9.com.
ctb9.com is delegated to four name servers: ns1.csof.net, ns2.csof.net, ns3.csof.net and ns4.csof.net.
ctb9.com at least partially shares name servers with other domains such as blemblem.us, aa306f7ca3f25103333c39f0332e050e.info, microsql-update.info, webupdater.co and gaoheeuofhefefhutd.io.
These name servers are commonly used with ns5.csof.net, ns6.csof.net, ns7.csof.net and ns8.csof.net.
Host names with one IP number:
ns1.csof.net points to: 18.205.186.231
ns2.csof.net points to: 23.21.178.27
ns3.csof.net points to: 3.214.185.54
ns4.csof.net points to: 52.20.19.77
Two mail servers handle ctb9.com: mx1.ctb9.com and mx2.ctb9.com.
Host names with a single IP address:
mx1.ctb9.com points to 46.4.12.146
mx2.ctb9.com points to 46.4.10.173