c23daklua.edu.vn - robtex.com
c23daklua.edu.vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 42.112.30.59🇻🇳 FPT-AS-AP42.112.30.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| NS | dnssec1.pavietnam.vn ⭐ | ||||||
| A | 2406:9c80::9000:202🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| A | 112.213.82.186🇻🇳 SUPERDATA112.213.82.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | dnssec1.dotvndns.vn | ||||||
| NS | dnssec2.pavietnam.vn | ||||||
| A | 2406:9c80::9000:d202🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| A | 222.255.121.214🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | dnssec2.dotvndns.vn | ||||||
| NS | dnssecbak.pavietnam.net | ||||||
| A | 2406:9c80::9000:d203🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| A | 203.162.78.50🇻🇳 VDC203.162.78.0/24 VNPT | ||||||
| PTR | ci78-50.netnam.vn | ||||||
| SOA | dnssec1.pavietnam.vnhostmaster@c23daklua.edu.vn 2026-05-01 #1 | ||||||
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=2018564764 | ||||||
Subdomains
www.c23daklua.edu.vn |
Same first word
c23daklua.edu.vn |
DNS History
4 records (4 active, 0 former)
●NSdnssec1.pavietnam.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 03:17:10
●NSdnssec2.pavietnam.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 03:17:10
●NSdnssecbak.pavietnam.net2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 03:17:10
●A42.112.30.592026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 03:17:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| c23daklua.edu.vn | dnssecbak.pavietnam.net, dnssec1.pavietnam.vn, dnssec2.pavietnam.vn | - |
✅ Authoritative Response
Server:222.255.121.214
NS records: dnssecbak.pavietnam.net, dnssec1.pavietnam.vn, dnssec2.pavietnam.vn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3227ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 42.112.30.59 |
| NS | 3 | dnssecbak.pavietnam.net, dnssec1.pavietnam.vn... |
| SOA | 1 | dnssec1.pavietnam.vn hostmaster.c23daklu |
Analysis
Hierarchy
The parent of www.c23daklua.edu.vn is c23daklua.edu.vn.
IP Addresses
c23daklua.edu.vn points to a single IP number: 42.112.30.59.
Other host names, for instance mxcvn.com, www.hoanggiaps.com.vn, vn.kochi.vn, hangcanthiet.com and saobacviet.vn share IP numbers with c23daklua.edu.vn.
Name Servers
The domain c23daklua.edu.vn is delegated to three name servers: dnssecbak.pavietnam.net, dnssec1.pavietnam.vn and dnssec2.pavietnam.vn.
c23daklua.edu.vn shares name servers with other domains at least partially, for instance 12s.vn, dongtienviet.com.vn, polyvista.vn, vbkimtrung.vn and thietbithongminhabs.vn.
these name servers are commonly paired with nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn, dnssecbak.dotvndns.com, dnssec1.dotvndns.vn, dnssec2.dotvndns.vn, nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.
Host names with two IP numbers:
dnssecbak.pavietnam.net points to 2406:9c80::9000:d203 and 203.162.78.50
dnssec1.pavietnam.vn points to 2406:9c80::9000:202 and 112.213.82.186
dnssec2.pavietnam.vn points to 2406:9c80::9000:d202 and 222.255.121.214