rem.cu - robtex.com
rem.cu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 190.6.68.11🇨🇺 INFOCOM190.6.64.0/20 | ||||||
| NS | ns1.rem.cu ⭐ | ||||||
| A | 190.6.68.4🇨🇺 INFOCOM190.6.64.0/20 | ||||||
| NS | ns2.rem.cu | ||||||
| A | 190.6.68.8🇨🇺 INFOCOM190.6.64.0/20 | ||||||
| PTR | ns4.citi.cu | ||||||
| PTR | dns2.datys.cu | ||||||
| PTR | dns2.rem.cu | ||||||
| NS | ns3.rem.cu | ||||||
| A | 190.6.68.120🇨🇺 INFOCOM190.6.64.0/20 | ||||||
| PTR | ns1.citi.cu | ||||||
| PTR | ns3.rem.cu | ||||||
| NS | ns4.rem.cu | ||||||
| A | 190.6.68.121🇨🇺 INFOCOM190.6.64.0/20 | ||||||
| NS | ns5.rem.cu ⚠️ Not in parent delegation | ||||||
| A | 200.55.140.130🇨🇺 INFOCOM200.55.136.0/21 | ||||||
| NS | ns6.rem.cu ⚠️ Not in parent delegation | ||||||
| MX | mta6.rem.cu ⭐ | ||||||
| A | 190.6.68.123🇨🇺 INFOCOM190.6.64.0/20 | ||||||
| TXT | v=spf1 ip4:190.6.68.2 ip4:190.6.68.3 ip4:190.6.68.123 ip4:190.6.68.126 -all | ||||||
| SOA | ns1.rem.cuadmin@rem.cu 2026-07-13 #0 | ||||||
cu
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns2.ceniai.net.cu ⭐ | ||||||
| NS | cu.cctld.authdns.ripe.net | ||||||
| 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 | ||||||
| NS | ns2.gip.net | ||||||
| NS | rip.psg.com | ||||||
| SOA | ns.ceniai.net.cucu-tech@ceniai.inf.cu 2026-07-20 #2 | ||||||
Subdomains
intranet.rem.cu |
lstnr4.rem.cu |
video.rem.cu |
mta3.rem.cu |
mta1.rem.cu |
ns1.rem.cu |
clients.rem.cu |
mta6.rem.cu |
ns4.rem.cu |
dns2.rem.cu |
sadir.rem.cu |
provaritest.rem.cu |
dric.rem.cu |
smtps.rem.cu |
imaps.rem.cu |
casero.rem.cu |
dns1.rem.cu |
ns3.rem.cu |
ns5.rem.cu |
wsregmig.rem.cu |
mapv2.rem.cu |
conosur.rem.cu |
test.rem.cu |
lstnr6.rem.cu |
correo.rem.cu |
ns2.rem.cu |
mta2.rem.cu |
mta5.rem.cu |
Same first word
Similar names
DNS History
11 records (8 active, 3 former)
●NSns1.rem.cu2015-09-03 → 2026-07-21 · 5 obs
● 2026-03-12 22:12:30
○ 2026-03-13 11:39:00
● 2026-03-15 05:25:58
● 2026-07-21 12:25:28
●NSns2.rem.cu2015-09-03 → 2026-07-21 · 5 obs
● 2026-03-12 22:12:30
○ 2026-03-13 11:39:00
● 2026-03-15 05:25:58
● 2026-07-21 12:25:28
●NSns3.rem.cu2015-09-03 → 2026-07-21 · 5 obs
● 2026-03-12 22:12:30
○ 2026-03-13 11:39:00
● 2026-03-15 05:25:58
● 2026-07-21 12:25:28
●NSns4.rem.cu2015-09-03 → 2026-07-21 · 5 obs
● 2026-03-12 22:12:30
○ 2026-03-13 11:39:00
● 2026-03-15 05:25:58
● 2026-07-21 12:25:28
●NSns5.rem.cu2026-02-14 → 2026-07-21 · 8 obs
● 2026-02-14 16:16:56
● 2026-03-12 22:12:30
○ 2026-03-13 11:39:00
● 2026-03-15 05:25:58
○ 2026-07-16 11:19:12
● 2026-07-17 05:11:50
● 2026-07-21 12:25:28
●NSns6.rem.cu2026-02-14 → 2026-07-21 · 8 obs
● 2026-02-14 16:16:56
● 2026-03-12 22:12:30
○ 2026-03-13 11:39:00
● 2026-03-15 05:25:58
○ 2026-07-16 11:19:12
● 2026-07-17 05:11:50
● 2026-07-21 12:25:28
○MXmta.citi.cu2016-02-14 → 2016-02-14 · 4 obs
● 2016-02-14 13:27:02
○ 2016-03-10 05:42:24
○ 2026-07-21 12:25:28
○MXmta1.rem.cu2015-09-03 → 2016-01-30 · 4 obs
● 2016-01-30 15:05:26
○ 2016-02-14 13:27:02
○ 2026-07-21 12:25:28
○MXmta5.rem.cu2015-09-03 → 2015-11-29 · 4 obs
● 2015-11-29 22:29:06
○ 2016-01-15 12:46:58
○ 2026-07-21 12:25:28
●MXmta6.rem.cu2015-10-04 → 2026-07-21 · 11 obs
● 2015-10-04 19:12:06
● 2015-11-29 22:29:06
○ 2016-01-15 12:46:58
● 2016-03-10 05:42:24
● 2026-03-12 22:12:30
○ 2026-03-13 11:39:00
● 2026-03-15 05:25:58
○ 2026-07-16 11:19:12
● 2026-07-17 05:11:50
● 2026-07-21 12:25:28
●A190.6.68.112026-02-14 → 2026-07-21 · 7 obs
● 2026-03-12 22:12:30
○ 2026-03-13 11:39:00
● 2026-03-15 05:25:58
○ 2026-07-16 11:19:12
● 2026-07-17 05:11:50
● 2026-07-21 12:25:28
🔍 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 |
| rem.cu | ns3.rem.cu, ns1.rem.cu, ns4.rem.cu, ns2.rem.cu | 4 records |
✅ Authoritative Response
Server:190.6.68.120
NS records: ns3.rem.cu, ns1.rem.cu, ns4.rem.cu, ns2.rem.cu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cu (unsigned zone)
⏱️ Timing
Total: 4042ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 190.6.68.11 |
| NS | 6 | ns2.rem.cu, ns6.rem.cu... |
| MX | 1 | mta6.rem.cu (pri: 10) |
| TXT | 1 | v=spf1 ip4:190.6.68.2 ip4:190.6.68.3 ip4 |
| SOA | 1 | ns1.rem.cu admin.rem.cu |
📌 Glue Records Collected
Total: 14
In-bailiwick: 7 (ns.ceniai.net.cu, ns2.ceniai.net.cu, ns.ceniai.net.cu...)
Out-of-bailiwick: 7 (cu.cctld.authdns.ripe.net, ns.dns.br, ns2.gip.net...)
Analysis
Hierarchy
The host names intranet.rem.cu, lstnr4.rem.cu, video.rem.cu, mta3.rem.cu and mta1.rem.cu — among a few others — fall under the parent domain rem.cu.
IP Addresses
rem.cu has exactly one IP address — 190.6.68.11.
Other hosts including correo.rem.cu, www.tecnicrim.co.cu and sadir.rem.cu share IP addresses with rem.cu.
Name Servers
The DNS delegation for rem.cu covers 6 name servers: ns1.rem.cu, ns2.rem.cu, ns3.rem.cu and 3 more.
The DNS delegation for rem.cu at least partly coincides with that of other domains, 68.6.190.in-addr.arpa being one example.
These name servers tend to co-occur with ns4.rem.cu, ns5.rem.cu, ns6.rem.cu and 6 other name servers in the same DNS delegations.
Host names resolving to a single IP address:
ns1.rem.cu points to the IP address 190.6.68.4.
ns2.rem.cu points to the IP address 190.6.68.8.
ns3.rem.cu points to the IP address 190.6.68.120.
ns4.rem.cu points to the IP address 190.6.68.121.
ns5.rem.cu points to the IP address 200.55.140.130.
Mail Servers
rem.cu uses one mail server — mta6.rem.cu.
rem.cu, dric.rem.cu and provari.cu all share the same mail server setup.
There is one IP number for mta6.rem.cu: 190.6.68.123.