cbusiness.net - robtex.com
cbusiness.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.81.4.203🇮🇹 SERVERPLAN-AS185.81.0.0/21 Server Plan S.r.l. | ||||||
| PTR | static-203-4-81-185-host.sphostserver.com | ||||||
| NS | ns1.dns4userver.com ⭐ | ||||||
| A | 2a02:24b8:3:1784::🇮🇹 SERVERPLAN-AS2a02:24b8::/40 Serverplan s.r.l. | ||||||
| A | 185.81.7.132🇮🇹 SERVERPLAN-AS185.81.0.0/21 Server Plan S.r.l. | ||||||
| PTR | static-132-7-81-185-host.sphostserver.com | ||||||
| NS | ns2.dns4userver.com | ||||||
| A | 93.95.222.132🇮🇹 SERVERPLAN-AS93.95.216.0/21 Serverplan S.r.l. | ||||||
| PTR | static-1-222-95-93-host.sphostserver.com | ||||||
| NS | ns3.dns4userver.com | ||||||
| A | 2001:41d0:203:daac::4🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| A | 87.98.154.98🇫🇷 OVH87.98.128.0/17 ISP Paris, France | ||||||
| PTR | ns3.dns4userver.com | ||||||
| MX | mail.cbusiness.net ⭐ | ||||||
| A | 185.81.4.203🇮🇹 SERVERPLAN-AS185.81.0.0/21 Server Plan S.r.l. | ||||||
| PTR | static-203-4-81-185-host.sphostserver.com | ||||||
| SOA | ns1.dns4userver.comserver@serverplan.com 2026-02-18 #0 | ||||||
net
| 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=1778373757 | ||||||
Subdomains
mail.cbusiness.net |
Same first word
DNS History
11 records (5 active, 6 former)
●NSns1.dns4userver.com2026-03-08 → 2026-05-10 · 3 obs
● 2026-03-08 00:47:16
● 2026-05-10 01:12:32
○NSns1.sedoparking.com2015-10-20 → 2017-11-08 · 4 obs
● 2017-11-08 12:38:38
○ 2026-03-08 00:47:16
○ 2026-05-10 01:12:32
●NSns2.dns4userver.com2026-03-08 → 2026-05-10 · 3 obs
● 2026-03-08 00:47:16
● 2026-05-10 01:12:32
○NSns2.sedoparking.com2015-10-20 → 2017-11-08 · 4 obs
● 2017-11-08 12:38:38
○ 2026-03-08 00:47:16
○ 2026-05-10 01:12:32
●NSns3.dns4userver.com2026-03-08 → 2026-05-10 · 3 obs
● 2026-03-08 00:47:16
● 2026-05-10 01:12:32
○MXlocalhost2016-11-27 → 2017-11-08 · 5 obs
● 2016-11-27 14:57:36
● 2017-11-08 12:38:38
○ 2026-03-08 00:47:16
○ 2026-05-10 01:12:32
●MXmail.cbusiness.net2026-03-08 → 2026-05-10 · 3 obs
● 2026-03-08 00:47:16
● 2026-05-10 01:12:32
○MXmail.nickstel.com2015-10-20 → 2016-02-25 · 4 obs
● 2016-02-25 08:51:28
○ 2016-11-27 14:57:36
○ 2026-05-10 01:12:32
●A185.81.4.2032026-03-08 → 2026-05-10 · 3 obs
● 2026-03-08 00:47:16
● 2026-05-10 01:12:32
○A72.52.4.1222017-11-08 → 2017-11-08 · 4 obs
● 2017-11-08 12:38:38
○ 2026-03-08 00:47:16
○ 2026-05-10 01:12:32
○A72.52.4.912015-10-20 → 2016-11-27 · 4 obs
● 2016-11-27 14:57:36
○ 2017-11-08 12:38:38
○ 2026-05-10 01:12:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cbusiness.net | ns1.dns4userver.com, ns2.dns4userver.com, ns3.dns4userver.com | - |
✅ Authoritative Response
Server:87.98.154.98
NS records: ns1.dns4userver.com, ns2.dns4userver.com, ns3.dns4userver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cbusiness.net (unsigned zone)
⏱️ Timing
Total: 728ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.81.4.203 |
| NS | 3 | ns1.dns4userver.com, ns2.dns4userver.com... |
| MX | 1 | mail.cbusiness.net (pri: 10) |
| SOA | 1 | ns1.dns4userver.com server.serverplan.co |
Analysis
Hierarchy
mail.cbusiness.net is a child of cbusiness.net.
IP Addresses
cbusiness.net resolves to one IP number: 185.81.4.203.
Other host names, for instance enricobortoletto.com, assoege.eu, certezza.eu, mail.tangoliguria.com and mail.foodnation.it share IP numbers with cbusiness.net.
Name Servers
cbusiness.net is delegated to three name servers: ns1.dns4userver.com, ns2.dns4userver.com and ns3.dns4userver.com.
cbusiness.net at least partially shares name servers with other domains, including venuscrm.it, miflex.it, garonzimotors.it, studiofogliardi.it and 90.16.46.in-addr.arpa.
Hosts with two IPs:
ns1.dns4userver.com points to 2a02:24b8:3:1784:: and 185.81.7.132.
ns3.dns4userver.com points to 2001:41d0:203:daac::4 and 87.98.154.98.
Host with one IP:
ns2.dns4userver.com points to 93.95.222.132.
Mail Servers
A single mail server handles cbusiness.net, mail.cbusiness.net.
Host name mail.cbusiness.net resolves to a single IP: 185.81.4.203.