khoitien.com - robtex.com
khoitien.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.97.124.47🇻🇳 LUUTRUSO-AS-VN103.97.124.0/24 LUUTRUSOCN1-VN | ||||||
| PTR | no-ptr.123host.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 | ||||||
| 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 | ns3.dotvndns.vn | ||||||
| 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 | nsbak.dotvndns.comhostmaster@khoitien.com 2025-01-05 #2 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778402776 | ||||||
Subdomains
www.khoitien.com |
Same first word
khoitien.com |
DNS History
5 records (5 active, 0 former)
●NSns1.dotvndns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:10:20
●NSns2.dotvndns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:10:20
●NSns3.dotvndns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:10:20
●NSnsbak.dotvndns.com2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:10:20
●A103.97.124.472026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:10:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| khoitien.com | nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn | 2 records |
✅ Authoritative Response
Server:222.255.121.247
NS records: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for khoitien.com (unsigned zone)
⏱️ Timing
Total: 1504ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.97.124.47 |
| NS | 4 | ns2.dotvndns.vn, nsbak.dotvndns.com... |
| SOA | 1 | nsbak.dotvndns.com hostmaster.khoitien.c |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (nsbak.dotvndns.com, nsbak.dotvndns.com)
Analysis
Hierarchy
The parent of www.khoitien.com is khoitien.com.
IP Addresses
khoitien.com points to a single IP: 103.97.124.47.
Other host names, for instance www.vidanang.vn, www.hondagiaiphong.net, vidanang.vn, vatlieutannoi.vn and iecenglishcenter.com share IP numbers with khoitien.com.
Name Servers
khoitien.com's delegation is handled by four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.
khoitien.com partially shares name servers with other domains; examples include sanglocsosinh.vn, edravietnam.vn, muasamankhang.com, battrangjsc.vn and anbien.com.vn.
These name servers are commonly used with the name servers ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net, nsbak.dotvndns.vn and ns4.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.
Host names with one IP number:
ns3.dotvndns.vn points to: 112.213.89.22.
Host names that point to 112.213.89.22: nsbak.dotvndns.com and ns3.dotvndns.vn.