rcb.transnet.cu - dns.ninja
rcb.transnet.cu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 190.107.13.3🇨🇺 INFOCOM190.107.0.0/20 | ||||||
| MX | hades.rcb.transnet.cu ⭐ | ||||||
| A | 190.107.1.18🇨🇺 INFOCOM190.107.0.0/20 | ||||||
| TXT | v=spf1 ip4:190.107.1.18 ip4:190.107.15.240 mx -all | ||||||
transnet.cu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 190.107.15.242🇨🇺 INFOCOM190.107.0.0/20 | ||||||
| NS | ns2.transnet.cu ⭐ | ||||||
| NS | ns.ceniai.net.cu | ||||||
| NS | ns.transnet.cu | ||||||
| MX | mx.transnet.cu ⭐ | ||||||
| TXT | v=spf1 ip4:190.107.15.242 ip4:190.107.15.240 mx -all | ||||||
| SOA | ns.transnet.cuadmins@transnet.cu 2026-08-06 #3 | ||||||
Subdomains
Same first word
Similar names
DNS History
3 records (2 active, 1 former)
●MXhades.rcb.transnet.cu2016-01-31 → 2026-08-12 · 5 obs
● 2016-01-31 21:51:32
● 2026-03-30 12:54:04
○ 2026-04-05 22:57:42
● 2026-04-25 10:12:50
● 2026-08-12 03:21:10
● 2026-03-30 12:54:04
○ 2026-04-05 22:57:42
● 2026-04-25 10:12:50
● 2026-08-12 03:21:10
●A190.107.13.32026-02-14 → 2026-08-12 · 7 obs
○ 2017-12-22 13:29:08
● 2026-02-14 18:47:28
● 2026-03-30 12:54:04
○ 2026-04-05 22:57:42
○ 2026-04-25 10:12:50
● 2026-05-01 11:23:02
● 2026-08-12 03:21:10
● 2026-02-14 18:47:28
● 2026-03-30 12:54:04
○ 2026-04-05 22:57:42
○ 2026-04-25 10:12:50
● 2026-05-01 11:23:02
● 2026-08-12 03:21:10
○A190.107.15.2252016-11-08 → 2017-12-22 · 4 obs
● 2016-11-08 16:00:00
● 2017-12-22 13:29:08
○ 2026-02-14 18:47:28
○ 2026-08-12 03:21:10
● 2017-12-22 13:29:08
○ 2026-02-14 18:47:28
○ 2026-08-12 03:21:10
🔍 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 |
✅ Authoritative Response
Server:169.158.128.136
NS records: cu.cctld.authdns.ripe.net, ns.dns.br, ns.ceniai.net.cu, ns2.gip.net, ns2.ceniai.net.cu, rip.psg.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cu (unsigned zone)
⏱️ Timing
Total: 3361ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 190.107.13.3 |
| MX | 1 | hades.rcb.transnet.cu (pri: 0) |
| TXT | 1 | v=spf1 ip4:190.107.1.18 ip4:190.107.15.2 |
📌 Glue Records Collected
Total: 10
In-bailiwick: 3 (ns.ceniai.net.cu, ns.ceniai.net.cu, ns2.ceniai.net.cu)
Out-of-bailiwick: 7 (cu.cctld.authdns.ripe.net, cu.cctld.authdns.ripe.net, ns.dns.br...)
Analysis
Hierarchy
The parent domain of hades.rcb.transnet.cu and www.rcb.transnet.cu is rcb.transnet.cu.
IP Addresses
rcb.transnet.cu directs to one IP number, which is 190.107.13.3.
Mail Servers
rcb.transnet.cu routes its mail through a single mail server, hades.rcb.transnet.cu.
hades.rcb.transnet.cu directs to just one IP number, 190.107.1.18.