cdntb.edu.vn - robtex.com
cdntb.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.32.101.71🇸🇬 AS-VULTR45.32.96.0/19 Vultr Assigned Prefix | ||||||
| PTR | 45.32.101.71.vultrusercontent.com | ||||||
| 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 | ||||||
| SOA | ns-master.inet.vnpostmaster@inet.vn 2015-07-28 #0 | ||||||
edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | b.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | c.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | d.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | e.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | f.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | g.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | h.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2018564886 | ||||||
Subdomains
www.cdntb.edu.vn |
Same first word
cdntb.edu.vn |
Similar names
DNS History
6 records (4 active, 2 former)
○NSns-hold.vnnic.vn2026-05-01 → 2026-05-01 · 4 obs
● 2026-05-01 05:15:36
○ 2026-05-08 10:01:40
○ 2026-05-10 18:08:56
●NSns-master.inet.vn2026-05-08 → 2026-05-10 · 3 obs
● 2026-05-08 10:01:40
● 2026-05-10 18:08:56
●NSns1.inet.vn2026-05-08 → 2026-05-10 · 3 obs
● 2026-05-08 10:01:40
● 2026-05-10 18:08:56
●NSns2.inet.vn2026-05-08 → 2026-05-10 · 3 obs
● 2026-05-08 10:01:40
● 2026-05-10 18:08:56
○A117.122.125.1072026-05-01 → 2026-05-01 · 4 obs
● 2026-05-01 05:15:36
○ 2026-05-08 10:01:40
○ 2026-05-10 18:08:56
●A45.32.101.712026-05-08 → 2026-05-10 · 3 obs
● 2026-05-08 10:01:40
● 2026-05-10 18:08:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| cdntb.edu.vn | ns1.inet.vn, ns2.inet.vn | - |
✅ Authoritative Response
Server:210.211.99.38
NS records: ns1.inet.vn, ns2.inet.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cdntb.edu.vn (unsigned zone)
⏱️ Timing
Total: 1632ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.32.101.71 |
| NS | 2 | ns2.inet.vn, ns1.inet.vn |
| SOA | 1 | ns-master.inet.vn postmaster.inet.vn |
Analysis
Hierarchy
The parent of www.cdntb.edu.vn is cdntb.edu.vn.
IP Addresses
cdntb.edu.vn points to an IP address: 45.32.101.71.
Other host names, for instance www.dalieutailinh.edu.vn and dalieutailinh.edu.vn, share IP numbers with cdntb.edu.vn.
Name Servers
cdntb.edu.vn is delegated to three name servers ns-master.inet.vn, ns1.inet.vn and ns2.inet.vn.
cdntb.edu.vn at least partially shares name servers with other domains, for instance nhomkinhphuoctienmientay.com, firstdate.vn, kamiland.com.vn, zavimi.io.vn and truongcanboxd.edu.vn.
These name servers are commonly used alongside ns3.inet.vn.
Host names with two IP numbers: The host name ns1.inet.vn points to 2001:df7:ce00:1::7 and 202.92.4.25; The host name ns2.inet.vn points to 2401:5f80:2001:4::30 and 210.211.99.38.
Host names with one IP number: The host name ns-master.inet.vn points to 202.92.4.8.