dfl.cu - dns.ninja
dfl.cu
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns.dfl.cu ⭐ | ||||||
| A | 200.55.184.100🇨🇺 INFOCOM200.55.176.0/20 | ||||||
| PTR | mail.entrediversidades.nat.cu | ||||||
| MX | mail.dfl.cu ⭐ | ||||||
| A | 200.55.184.98🇨🇺 INFOCOM200.55.176.0/20 | ||||||
| PTR | mail.dfl.cu | ||||||
| TXT | GPS: 23.1240465,-82.4281773 | ||||||
| TXT | Adress: 1ra y 26, Miramar, Playa, La Habana, Cuba | ||||||
| TXT | v=spf1 a mx ip4:200.55.184.98 -all | ||||||
| TXT | Dofleini Software S.R.L | ||||||
| TXT | Voice: +53-(7)212 5050 | ||||||
| TXT | E-Mail: info@dofleinisoftware.com | ||||||
| SOA | dns.dfl.cuadmin@dofleini.cu 2026-06-02 #1 | ||||||
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 2026-06-25 #1 | ||||||
Subdomains
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSdns.dfl.cu2026-03-20 → 2026-06-27 · 2 obs
● 2026-03-20 11:48:06
● 2026-06-27 21:49:14
● 2026-06-27 21:49:14
●MXmail.dfl.cu2026-03-20 → 2026-06-27 · 4 obs
● 2026-03-20 11:48:06
○ 2026-03-20 18:25:24
● 2026-03-20 20:25:56
● 2026-06-27 21:49:14
○ 2026-03-20 18:25:24
● 2026-03-20 20:25:56
● 2026-06-27 21:49:14
🔍 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 |
| dfl.cu | dns.dfl.cu | 1 record |
✅ Authoritative Response
Server:200.55.184.100
NS records: dns.dfl.cu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cu (unsigned zone)
⏱️ Timing
Total: 592ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 1 | dns.dfl.cu |
| MX | 1 | mail.dfl.cu (pri: 10) |
| TXT | 6 | Adress: 1ra y 26, Miramar, Playa, La Hab, E-Mail: info@dofleinisoftware.com... |
| SOA | 1 | dns.dfl.cu admin.dofleini.cu |
📌 Glue Records Collected
Total: 11
In-bailiwick: 4 (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
mail.dfl.cu and dns.dfl.cu are both subdomains of dfl.cu.
Name Servers
dfl.cu has exactly one name server — dns.dfl.cu.
dns.dfl.cu resolves to 200.55.184.100 and no other IP number.
Mail Servers
Mail for dfl.cu is handled by a single mail server, mail.dfl.cu.
mail.dfl.cu resolves to 200.55.184.98 and no other IP number.