rex.cu - dns.ninja
rex.cu
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.tur.cu ⭐ | ||||||
| A | 181.225.229.90🇨🇺 INFOCOM181.225.224.0/19 LACNIC generated route for Empresa de Telecomunicaciones de Cuba, S.A. | ||||||
| NS | ns2.tur.cu | ||||||
| NS | ns3.tur.cu | ||||||
| NS | ns4.tur.cu | ||||||
| A | 200.55.184.159🇨🇺 INFOCOM200.55.176.0/20 | ||||||
| MX | mail10.tur.cu ⭐ | ||||||
| A | 200.55.184.146🇨🇺 INFOCOM200.55.176.0/20 | ||||||
| MX | mail5.tur.cu ⭐ | ||||||
| MX | mail6.tur.cu ⭐ | ||||||
| A | 200.55.180.178🇨🇺 INFOCOM200.55.176.0/20 | ||||||
| MX | mail7.tur.cu ⭐ | ||||||
| A | 200.55.180.182🇨🇺 INFOCOM200.55.176.0/20 | ||||||
| MX | mail8.tur.cu ⭐ | ||||||
| A | 200.55.184.147🇨🇺 INFOCOM200.55.176.0/20 | ||||||
| MX | mail9.tur.cu ⭐ | ||||||
| A | 200.55.184.145🇨🇺 INFOCOM200.55.176.0/20 | ||||||
| TXT | v=spf1 ip4:200.55.180.179/32 ip4:200.55.180.180/32 ip4:200.55.184.141/32 ip4:... | ||||||
| SOA | ns1.tur.cuadmins@tur.cu 2026-07-23 #1 | ||||||
cu
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns2.ceniai.net.cu ⭐ | ||||||
| NS | cu.cctld.authdns.ripe.net ⚠️ Not in parent delegation | ||||||
| NS | dns-com.ceniai.inf.cu ⚠️ Not in parent delegation | ||||||
| NS | ns.canada.cuba.cu ⚠️ Not in parent delegation | ||||||
| NS | ns.ceniai.net.cu | ||||||
| NS | ns.dns.br ⚠️ Not in parent delegation | ||||||
| NS | ns2.gip.net ⚠️ Not in parent delegation | ||||||
| NS | rip.psg.com ⚠️ Not in parent delegation | ||||||
| SOA | ns.ceniai.net.cucu-tech@ceniai.inf.cu 2026-07-23 #3 | ||||||
Same first word
Similar names
DNS History
11 records (10 active, 1 former)
○MXmail.rex.cu2015-08-09 → 2017-09-07 · 4 obs
● 2017-09-07 07:47:14
○ 2026-03-03 23:41:38
○ 2026-07-25 02:50:38
●MXmail10.tur.cu2026-03-03 → 2026-07-25 · 3 obs
● 2026-03-03 23:41:38
● 2026-07-25 02:50:38
●MXmail5.tur.cu2026-03-03 → 2026-07-25 · 3 obs
● 2026-03-03 23:41:38
● 2026-07-25 02:50:38
●MXmail6.tur.cu2026-03-03 → 2026-07-25 · 3 obs
● 2026-03-03 23:41:38
● 2026-07-25 02:50:38
●MXmail7.tur.cu2026-03-03 → 2026-07-25 · 3 obs
● 2026-03-03 23:41:38
● 2026-07-25 02:50:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cu | cu.cctld.authdns.ripe.net, ns.dns.br, ns.ceniai.net.cu, ns2.gip.net... | 10 records |
| rex.cu | ns3.tur.cu, ns4.tur.cu, ns2.tur.cu, ns1.tur.cu | 4 records |
✅ Authoritative Response
Server:181.225.229.90
NS records: ns3.tur.cu, ns4.tur.cu, ns2.tur.cu, ns1.tur.cu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cu (unsigned zone)
⏱️ Timing
Total: 5715ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns3.tur.cu, ns2.tur.cu... |
| MX | 6 | mail8.tur.cu (pri: 10), mail9.tur.cu (pri: 10)... |
| TXT | 1 | v=spf1 ip4:200.55.180.179/32 ip4:200.55. |
| SOA | 1 | ns1.tur.cu admins.tur.cu |
📌 Glue Records Collected
Total: 14
In-bailiwick: 3 (ns.ceniai.net.cu, ns.ceniai.net.cu, ns2.ceniai.net.cu)
Out-of-bailiwick: 11 (cu.cctld.authdns.ripe.net, cu.cctld.authdns.ripe.net, ns.dns.br...)
Analysis
Name Servers
The domain rex.cu is delegated to these four name servers: ns1.tur.cu, ns2.tur.cu, ns3.tur.cu and ns4.tur.cu.
rex.cu has at least partial name server overlap with other domains, such as palmares.cu, cubatravel.cu, cubacar.cu and two others.
These name servers are routinely co-deployed with the name servers ns1.g4its.com, ns2.g4its.com, ns5.tur.cu and two others.
ns1.tur.cu directs to 181.225.229.90 and ns4.tur.cu directs to 200.55.184.159; each host name points to exactly one IP number.
Mail Servers
Mail for rex.cu is routed through 6 mail servers, including mail10.tur.cu, mail5.tur.cu, mail6.tur.cu and 3 other.
rex.cu shares at least some of its mail servers with other domains — for example gcingla.gca.tur.cu, campismopopular.cu, arenas.gca.tur.cu and two more.
These mail servers tend to appear together with the mail servers mail7.tur.cu, mail8.tur.cu and mail9.tur.cu.
Hosts that resolve to one IP address:
mail10.tur.cu resolves to 200.55.184.146.
mail6.tur.cu resolves to 200.55.180.178.
mail7.tur.cu resolves to 200.55.180.182.
mail8.tur.cu resolves to 200.55.184.147.
mail9.tur.cu resolves to 200.55.184.145.