dua.vn - robtex.com
dua.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.221.222.218🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-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 | ||||||
| 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 | ||||||
| TXT | google-site-verification=_UCvjQJcoSE8Bb0UGzxvKBveZYNMGXXfZt-ZXW-WVJk | ||||||
| SOA | ns1.dotvndns.vnhostmaster@dua.vn 2024-09-14 #5 | ||||||
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=2030753637 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.dotvndns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 01:41:58
●NSns2.dotvndns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 01:41:58
●NSnsbak.dotvndns.com2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 01:41:58
●A103.221.222.2182026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 01:41:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | e.dns-servers.vn, f.dns-servers.vn, a.dns-servers.vn, c.dns-servers.vn... | - |
| dua.vn | nsbak.dotvndns.com, ns2.dotvndns.vn, ns1.dotvndns.vn | 4 records |
✅ Authoritative Response
Server:112.213.89.3
NS records: nsbak.dotvndns.com, ns2.dotvndns.vn, ns1.dotvndns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dua.vn (unsigned zone)
⏱️ Timing
Total: 1881ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.221.222.218 |
| NS | 3 | nsbak.dotvndns.com, ns1.dotvndns.vn... |
| TXT | 1 | google-site-verification=_UCvjQJcoSE8Bb0 |
| SOA | 1 | ns1.dotvndns.vn hostmaster.dua.vn |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.dotvndns.vn...)
Analysis
IP Addresses
dua.vn resolves to one IP number: 103.221.222.218.
Other host names, for instance www.hispa.vn, bt.hispa.vn, www.myphamtocchinhhang.vn, myphamtocchinhhang.vn and sadecinvestment.com share IP numbers with dua.vn.
Name Servers
dua.vn is delegated to three name servers: nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.
dua.vn at least partially shares name servers with other domains, including winantours.com, upkit.vn, matkinhsonha.com, cuacangio.com and vico.vn.
these name servers are commonly used alongside the name servers ns1.pavietnam.vn, ns3.dotvndns.vn, ns2.pavietnam.vn, nsbak.pavietnam.net and ns4.dotvndns.vn.
Host names with two IP numbers:
nsbak.dotvndns.com: 2406:9c80::9000:302 and 112.213.89.22