lstu.vn - robtex.com
lstu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.245.237.161🇻🇳 INTERDIGI-VN103.245.236.0/23 LPTECH-VN | ||||||
| NS | ns1.pavietnam.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.pavietnam.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.pavietnam.net | ||||||
| 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=tg5bsWXHNzqfuhjK2vedCm-cAM_Z-2sqkZlOwNWgcy8 | ||||||
| SOA | ns1.pavietnam.vnhostmaster@lstu.vn 2026-04-04 #8 | ||||||
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=2030754543 | ||||||
Subdomains
www.lstu.vn |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.pavietnam.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 10:50:34
●NSns2.pavietnam.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 10:50:34
●NSnsbak.pavietnam.net2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 10:50:34
●A103.245.237.1612026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 10:50:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| lstu.vn | ns1.pavietnam.vn, nsbak.pavietnam.net, ns2.pavietnam.vn | 4 records |
✅ Authoritative Response
Server:222.255.121.247
NS records: ns1.pavietnam.vn, nsbak.pavietnam.net, ns2.pavietnam.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lstu.vn (unsigned zone)
⏱️ Timing
Total: 1726ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.245.237.161 |
| NS | 3 | ns1.pavietnam.vn, nsbak.pavietnam.net... |
| TXT | 1 | google-site-verification=tg5bsWXHNzqfuhj |
| SOA | 1 | ns1.pavietnam.vn hostmaster.lstu.vn |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.pavietnam.vn, ns1.pavietnam.vn, ns2.pavietnam.vn...)
Analysis
Hierarchy
The parent of www.lstu.vn is lstu.vn.
IP Addresses
lstu.vn points to an IP address: 103.245.237.161.
Other host names, for instance www.lstu.vn, share IP numbers with lstu.vn.
Name Servers
lstu.vn is delegated to three name servers nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
lstu.vn at least partially shares name servers with other domains, for instance vzota.com, chinhsuaanh.vn, aosmith.com.vn, batxepthanhcong.com and vasport.com.vn.
These name servers are commonly used with the following: ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and ns3.dotvndns.vn.
Host names with two IP numbers:
nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22; ns1.pavietnam.vn points to 2406:9c80::66 and 112.213.89.3; ns2.pavietnam.vn points to 2406:9c80::9000:111 and 222.255.121.247.