kb2b.vn - robtex.com
kb2b.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.229.43.121🇻🇳 CMC-1103.229.43.0/24 CMCTELECOM-VN | ||||||
| PTR | static.cmcti.vn | ||||||
| NS | ns1.hostingviet.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.hostingviet.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| SOA | ns1.hostingviet.vnhostmaster@kb2b.vn 2025-11-03 #7 | ||||||
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=2030763709 | ||||||
Subdomains
www.kb2b.vn |
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSns1.hostingviet.vn2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 10:16:52
●NSns2.hostingviet.vn2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 10:16:52
●A103.229.43.1212026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 10:16:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | h.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn, g.dns-servers.vn... | - |
| kb2b.vn | ns2.hostingviet.vn, ns1.hostingviet.vn | - |
✅ Authoritative Response
Server:112.213.89.3
NS records: ns2.hostingviet.vn, ns1.hostingviet.vn
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at vn: Error: DNS query timeout: 202.47.142.105 for DNSKEY vn
⏱️ Timing
Total: 4165ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.229.43.121 |
| NS | 2 | ns2.hostingviet.vn, ns1.hostingviet.vn |
| SOA | 1 | ns1.hostingviet.vn hostmaster.kb2b.vn |
Analysis
Hierarchy
The parent of www.kb2b.vn is kb2b.vn.
IP Addresses
kb2b.vn points to a single IP: 103.229.43.121.
Other host names, such as www.kb2b.vn, share IP numbers with kb2b.vn.
Name Servers
Two name servers ns1.hostingviet.vn and ns2.hostingviet.vn handle delegation for kb2b.vn.
kb2b.vn uses the same name server setup as other domains, for example danacontrol.vn, hdstars.vn, sencom.vn, iie.vn and sieuthihanghoa.vn.
kb2b.vn partially shares name servers with other domains; examples include cityfindirect.vn, phutungauto.com.vn, canhquanlamdong.com.vn, senviethvac.vn and banhtrungthudaiphat.com.
These name servers are commonly used with ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.
Host names with one IP number: The host name ns1.hostingviet.vn points to 112.213.89.3 and the host name ns2.hostingviet.vn points to 222.255.121.247.