code4u.vn - dns.ninja
code4u.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.216.119.76🇻🇳 VNPT-AS-VN103.216.116.0/22 INETSOFT-VN | ||||||
| NS | ns-master.inet.vn ⭐ | ||||||
| A | 202.92.4.8🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns1.inet.vn | ||||||
| A | 2001:df7:ce00:1::7🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited | ||||||
| A | 202.92.4.25🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns2.inet.vn | ||||||
| A | 2401:5f80:2001:4::30🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 210.211.99.38🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object | ||||||
| NS | ns3.inet.vn | ||||||
| A | 2401:5f80:4001:4::14🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN | ||||||
| A | 203.113.174.42🇻🇳 VTDC-AS-VN203.113.174.0/23 VIETTEL-VN | ||||||
| SOA | ns-master.inet.vnpostmaster@inet.vn 2015-07-28 #0 | ||||||
vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn | ||||||
| NS | b.dns-servers.vn | ||||||
| NS | c.dns-servers.vn | ||||||
| NS | d.dns-servers.vn | ||||||
| NS | e.dns-servers.vn | ||||||
| NS | f.dns-servers.vn | ||||||
| NS | g.dns-servers.vn | ||||||
| NS | h.dns-servers.vn | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2031064314 | ||||||
Subdomains
www.code4u.vn |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns-master.inet.vn2026-05-01 → 2026-08-02 · 2 obs
● 2026-08-02 07:39:38
●A103.216.119.762026-05-01 → 2026-08-02 · 2 obs
● 2026-08-02 07:39:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | g.dns-servers.vn, d.dns-servers.vn, e.dns-servers.vn, b.dns-servers.vn... | - |
| code4u.vn | ns2.inet.vn, ns3.inet.vn, ns1.inet.vn | 3 records |
✅ Authoritative Response
Server:202.92.4.253
NS records: ns2.inet.vn, ns3.inet.vn, ns1.inet.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for code4u.vn (unsigned zone)
⏱️ Timing
Total: 3847ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.216.119.76 |
| NS | 3 | ns2.inet.vn, ns3.inet.vn... |
| SOA | 1 | ns-master.inet.vn postmaster.inet.vn |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.inet.vn, ns2.inet.vn, ns1.inet.vn)
Analysis
Hierarchy
code4u.vn is a parent domain of www.code4u.vn.
IP Addresses
code4u.vn directs to one IP number, which is 103.216.119.76.
Name Servers
The domain code4u.vn is delegated to these four name servers: ns-master.inet.vn, ns1.inet.vn, ns2.inet.vn and ns3.inet.vn.
code4u.vn shares at least some of its name servers with other domains, including aurelia.com.vn, quaythuochiepphat.biz.vn, xuongmaydongphuc.com.vn and two others.
Hosts with two IP numbers each:
ns1.inet.vn maps to two IP addresses — 202.92.4.25 and 2001:df7:ce00:1::7.
ns2.inet.vn maps to two IP addresses — 210.211.99.38 and 2401:5f80:2001:4::30.
ns3.inet.vn maps to two IP addresses — 203.113.174.42 and 2401:5f80:4001:4::14.
Hosts that resolve to one IP address:
ns-master.inet.vn points to the IP address 202.92.4.8.