irc.cu - robtex.com
irc.cu
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns3.etecsa.net ⭐ | ||||||
| A | 200.55.128.10🇨🇺 INFOCOM200.55.128.0/21 | ||||||
| PTR | ns3.etecsa.net | ||||||
| NS | ns4.etecsa.net | ||||||
| A | 200.55.128.11🇨🇺 INFOCOM200.55.128.0/21 | ||||||
| PTR | ns4.etecsa.net | ||||||
| NS | ns5.etecsa.net | ||||||
| A | 181.225.231.195🇨🇺 INFOCOM181.225.224.0/19 | ||||||
| PTR | ns5.etecsa.net | ||||||
| MX | serverirc.irc.cu ⭐ | ||||||
| A | 190.6.91.90🇨🇺 INFOCOM190.6.80.0/20 | ||||||
| PTR | serverirc.irc.cu | ||||||
| SOA | ns3.etecsa.netadmin@enet.cu 2023-12-18 #0 | ||||||
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 2026-04-22 #3 | ||||||
Subdomains
serverirc.irc.cu |
Same first word
Similar names
DNS History
12 records (4 active, 8 former)
○NSns1.etecsa.net2008-11-12 → 2017-01-22 · 4 obs
● 2017-01-22 23:08:22
○ 2026-02-26 06:52:44
○ 2026-04-23 17:55:14
○NSns1.etecsa.net.cu2015-08-14 → 2017-01-22 · 5 obs
● 2015-08-14 20:37:44
● 2017-01-22 23:08:22
○ 2026-02-26 06:52:44
○ 2026-04-23 17:55:14
○NSns2.etecsa.net2008-11-12 → 2017-01-22 · 4 obs
● 2017-01-22 23:08:22
○ 2026-02-26 06:52:44
○ 2026-04-23 17:55:14
○NSns2.etecsa.net.cu2015-08-14 → 2017-01-22 · 5 obs
● 2015-08-14 20:37:44
● 2017-01-22 23:08:22
○ 2026-02-26 06:52:44
○ 2026-04-23 17:55:14
●NSns3.etecsa.net2015-08-14 → 2026-04-23 · 3 obs
● 2015-08-14 20:37:44
● 2026-04-23 17:55:14
○NSns3.etecsa.net.cu2015-08-14 → 2017-01-22 · 5 obs
● 2015-08-14 20:37:44
● 2017-01-22 23:08:22
○ 2026-02-26 06:52:44
○ 2026-04-23 17:55:14
●NSns4.etecsa.net2015-08-14 → 2026-04-23 · 3 obs
● 2015-08-14 20:37:44
● 2026-04-23 17:55:14
○NSns4.etecsa.net.cu2015-08-14 → 2017-01-22 · 5 obs
● 2015-08-14 20:37:44
● 2017-01-22 23:08:22
○ 2026-02-26 06:52:44
○ 2026-04-23 17:55:14
●NSns5.etecsa.net2015-08-14 → 2026-04-23 · 3 obs
● 2015-08-14 20:37:44
● 2026-04-23 17:55:14
○NSns5.etecsa.net.cu2015-08-14 → 2017-01-22 · 5 obs
● 2015-08-14 20:37:44
● 2017-01-22 23:08:22
○ 2026-02-26 06:52:44
○ 2026-04-23 17:55:14
○MXmail.irc.cu2008-11-12 → 2008-11-12 · 3 obs
○ 2015-08-14 20:37:44
○ 2026-04-23 17:55:14
●MXserverirc.irc.cu2015-08-14 → 2026-04-23 · 3 obs
● 2015-08-14 20:37:44
● 2026-04-23 17:55:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cu | ns.dns.br, rip.psg.com, ns2.gip.net, cu.cctld.authdns.ripe.net... | 10 records |
| irc.cu | ns3.etecsa.net, ns5.etecsa.net, ns4.etecsa.net | - |
✅ Authoritative Response
Server:200.55.128.10
NS records: ns3.etecsa.net, ns5.etecsa.net, ns4.etecsa.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cu (unsigned zone)
⏱️ Timing
Total: 4644ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns5.etecsa.net, ns4.etecsa.net... |
| MX | 1 | serverirc.irc.cu (pri: 0) |
| SOA | 1 | ns3.etecsa.net admin.enet.cu |
📌 Glue Records Collected
Total: 10
In-bailiwick: 3 (ns.ceniai.net.cu, ns.ceniai.net.cu, ns2.ceniai.net.cu)
Out-of-bailiwick: 7 (ns.dns.br, ns.dns.br, rip.psg.com...)
Analysis
Hierarchy
The parent of serverirc.irc.cu is irc.cu.
Name Servers
irc.cu is delegated to three name servers: ns3.etecsa.net, ns4.etecsa.net and ns5.etecsa.net.
irc.cu at least partially shares name servers with other domains, for example eictv.org.cu, 71.6.190.in-addr.arpa, 119.92.190.in-addr.arpa, 153.15.190.in-addr.arpa and 156.15.190.in-addr.arpa.
Name servers ns3.etecsa.net.cu, ns4.etecsa.net.cu, ns1.etecsa.net, ns5.etecsa.net.cu, ns2.etecsa.net, ns1.etecsa.net.cu and ns2.etecsa.net.cu are commonly used together.
Host names with a single IP address:
ns3.etecsa.net resolves to 200.55.128.10.
ns4.etecsa.net resolves to 200.55.128.11.
ns5.etecsa.net resolves to 181.225.231.195.
Mail Servers
The serverirc.irc.cu mail server handles irc.cu.
serverirc.irc.cu points to a single IP number: 190.6.91.90.