cuuhoi.vn - robtex.com
cuuhoi.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.57.220.206🇻🇳 VNPT-AS-VN103.57.220.0/22 INET-VN | ||||||
| NS | ns-master.inet.vn ⭐ | ||||||
| A | 202.92.4.8🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns1.inet.vn | ||||||
| A | 2001:df7:ce00:1::7🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited | ||||||
| A | 202.92.4.25🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns2.inet.vn | ||||||
| A | 2401:5f80:2001:4::30🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 210.211.99.38🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object | ||||||
| NS | ns3.inet.vn | ||||||
| A | 2401:5f80:4001:4::14🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN | ||||||
| A | 203.113.174.42🇻🇳 VTDC-AS-VN203.113.174.0/23 VIETTEL-VN | ||||||
| SOA | ns-master.inet.vnpostmaster@inet.vn 2015-07-28 #0 | ||||||
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=2031056726 | ||||||
Subdomains
www.cuuhoi.vn |
Same first word
cuuhoi.vn |
Similar names
DNS History
6 records (5 active, 1 former)
●NSns-master.inet.vn2026-05-01 → 2026-07-31 · 2 obs
● 2026-07-31 01:44:18
●A103.57.220.2062026-07-18 → 2026-07-31 · 3 obs
● 2026-07-18 11:53:14
● 2026-07-31 01:44:18
○A202.92.7.542026-05-01 → 2026-05-01 · 3 obs
○ 2026-07-18 11:53:14
○ 2026-07-31 01:44:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | h.dns-servers.vn, f.dns-servers.vn, a.dns-servers.vn, g.dns-servers.vn... | - |
| cuuhoi.vn | ns1.inet.vn, ns2.inet.vn, ns3.inet.vn | 3 records |
✅ Authoritative Response
Server:202.92.4.253
NS records: ns1.inet.vn, ns2.inet.vn, ns3.inet.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cuuhoi.vn (unsigned zone)
⏱️ Timing
Total: 1295ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.57.220.206 |
| NS | 3 | ns1.inet.vn, ns2.inet.vn... |
| SOA | 1 | ns-master.inet.vn postmaster.inet.vn |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.inet.vn, ns2.inet.vn, ns3.inet.vn)
Analysis
Hierarchy
The domain www.cuuhoi.vn falls under the parent cuuhoi.vn.
IP Addresses
cuuhoi.vn has exactly one IP address — 103.57.220.206.
vhshipping.com, hacomriverside.vn, haugaming.vn plus two other host names have IP numbers in common with cuuhoi.vn.
Name Servers
Four name servers handle the delegation for cuuhoi.vn: ns-master.inet.vn, ns1.inet.vn, ns2.inet.vn and ns3.inet.vn.
At least some of cuuhoi.vn's name servers are shared with other domains, for example minhtangroup.com.vn, pitico.vn, webi.vn and two more.
These name servers tend to be deployed in combination with the name servers ns1.dnscloud.vn and ns2.dnscloud.vn.
Host names pointing to two IP addresses:
ns1.inet.vn resolves to 202.92.4.25 and 2001:df7:ce00:1::7.
ns2.inet.vn resolves to 210.211.99.38 and 2401:5f80:2001:4::30.
ns3.inet.vn resolves to 203.113.174.42 and 2401:5f80:4001:4::14.
Host names resolving to a single IP address:
ns-master.inet.vn resolves to 202.92.4.8.