cem.cu - dns.ninja
cem.cu
| DNSSEC | ⚠️ Not signed | ||||||
| MX | mail.cem.cu ⭐ | ||||||
| A | 200.55.136.2🇨🇺 INFOCOM200.55.136.0/21 | ||||||
| TXT | v=spf1 a mx -all | ||||||
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 2026-08-11 #3 | ||||||
Subdomains
mail.cem.cu |
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●MXmail.cem.cu2015-06-15 → 2026-08-12 · 2 obs
● 2015-06-15 10:57:38
● 2026-08-12 05:34:02
● 2026-08-12 05:34:02
🔍 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:169.158.128.88
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: 3322ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| MX | 1 | mail.cem.cu (pri: 0) |
| TXT | 1 | v=spf1 a mx -all |
📌 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 domain mail.cem.cu falls under the parent cem.cu.
Mail Servers
cem.cu uses one mail server — mail.cem.cu.
mail.cem.cu carries a single IP number, which is 200.55.136.2.