centax.vn - robtex.com
centax.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.81.85.17🇻🇳 HOSTINGVIET-AS-VN103.81.85.0/24 HOSTINGVIET-VN | ||||||
| NS | ns1.dotvndns.vn ⭐ | ||||||
| A | 2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| A | 112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 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 | ns1.dotvndns.vn | ||||||
| NS | ns2.dotvndns.vn | ||||||
| A | 2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns2.dotvndns.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| NS | nsbak.dotvndns.com ⚠️ Not in zone NS records | ||||||
| A | 2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | nsbak.dotvndns.com | ||||||
| A | 112.213.89.22🇻🇳 SUPERDATA112.213.89.0/24 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 | ns8922.dotvndns.vn | ||||||
| SOA | ns1.dotvndns.vnhostmaster@centax.vn 2025-12-27 #1 | ||||||
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=2030751638 | ||||||
Subdomains
www.centax.vn |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.dotvndns.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 12:11:34
●NSns2.dotvndns.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 12:11:34
●NSnsbak.dotvndns.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 12:11:34
●A103.81.85.172026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 12:11:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | 16 records |
| centax.vn | ns2.dotvndns.vn, ns1.dotvndns.vn, nsbak.dotvndns.com | 4 records |
✅ Authoritative Response
Server:112.213.89.22
NS records: ns2.dotvndns.vn, ns1.dotvndns.vn, nsbak.dotvndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for centax.vn (unsigned zone)
⏱️ Timing
Total: 2026ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.81.85.17 |
| NS | 2 | ns2.dotvndns.vn, ns1.dotvndns.vn |
| SOA | 1 | ns1.dotvndns.vn hostmaster.centax.vn |
📌 Glue Records Collected
Total: 20
In-bailiwick: 16 (c.dns-servers.vn, c.dns-servers.vn, a.dns-servers.vn...)
Out-of-bailiwick: 4 (ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.dotvndns.vn...)
Analysis
Hierarchy
centax.vn is the parent of www.centax.vn.
IP Addresses
centax.vn resolves to a single IP address: 103.81.85.17.
Other host names including cet.vn, www.gitel.vn, mc2audio.vn, vachiyoga.vn and gitel.vn share IP numbers with centax.vn.
Name Servers
centax.vn is delegated to three name servers: nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.
centax.vn at least partially shares name servers with other domains, including tritueviet.vn, vitinhgiaminh.com, thangmaytruongthanh.com, balilimo.vn and fstudiobyfpt.org.
these name servers are commonly used with ns1.pavietnam.vn, ns3.dotvndns.vn, ns2.pavietnam.vn, nsbak.pavietnam.net and nsbak.dotvndns.vn.
Host names with two IP numbers:
nsbak.dotvndns.com points to: 2406:9c80::9000:302 and 112.213.89.22
ns1.dotvndns.vn points to: 2406:9c80::66 and 112.213.89.3
ns2.dotvndns.vn points to: 2406:9c80::9000:111 and 222.255.121.247