mx3.cecm.cu - dns.ninja
mx3.cecm.cu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 190.6.66.196🇨🇺 INFOCOM190.6.64.0/20 | ||||||
cecm.cu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 200.55.139.178🇨🇺 INFOCOM200.55.136.0/21 | ||||||
| NS | ns1.cecm.cu ⭐ | ||||||
| NS | ns2.cecm.cu | ||||||
| MX | mx3.cecm.cu ⭐ | ||||||
| MX | mx1.cecm.cu(20) | ||||||
| TXT | v=spf1 a mx ip4:190.6.66.194 ip4:190.6.66.197 ip4:190.6.66.196 -all | ||||||
| SOA | ns1.cecm.cuadmin@cecm.cu 2026-05-05 #7 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A190.6.66.1962026-02-16 → 2026-06-28 · 5 obs
● 2026-02-16 22:05:44
● 2026-05-25 10:35:14
○ 2026-05-31 23:42:18
● 2026-06-13 13:01:46
● 2026-06-28 23:03:04
● 2026-05-25 10:35:14
○ 2026-05-31 23:42:18
● 2026-06-13 13:01:46
● 2026-06-28 23:03:04
🔍 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 |
| cecm.cu | ns1.cecm.cu, ns2.cecm.cu | 2 records |
✅ Authoritative Response
Server:200.55.139.178
NS records: ns1.cecm.cu, ns2.cecm.cu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cu (unsigned zone)
⏱️ Timing
Total: 928ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 190.6.66.196 |
📌 Glue Records Collected
Total: 12
In-bailiwick: 5 (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
Mail Server Role
Mail for cecm.cu is routed through the mail server mx3.cecm.cu.
mx1.cecm.cu and mx3.cecm.cu tend to appear jointly as mail servers.
IP Addresses
mx3.cecm.cu has exactly one IP address — 190.6.66.196.
Host names such as mx30.presidencia.gob.cu and mx3.palacio.cu share IP numbers with mx3.cecm.cu.