cvm.vn - robtex.com
cvm.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 171.244.32.185🇻🇳 VTDC-AS-VN171.244.32.0/22 Proxy-registered route object | ||||||
| NS | ns1.zonedns.vn ⭐ | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 64.176.84.220🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix | ||||||
| PTR | ns1.zonedns.vn | ||||||
| NS | ns2.zonedns.vn | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 103.176.178.51🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN | ||||||
| NS | ns3.zonedns.vn | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.36.30🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| NS | ns4.zonedns.vn | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.39.159🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| SOA | ns1.zonedns.vnroot@cvm.vn 2026-02-24 #2 | ||||||
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=2030756106 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 20:58:06
●NSns2.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 20:58:06
●NSns3.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 20:58:06
●NSns4.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 20:58:06
●A171.244.32.1852026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 20:58:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | b.dns-servers.vn, f.dns-servers.vn, h.dns-servers.vn, a.dns-servers.vn... | - |
| cvm.vn | ns1.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn, ns2.zonedns.vn | - |
✅ Authoritative Response
Server:103.176.178.51
NS records: ns1.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn, ns2.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cvm.vn (unsigned zone)
⏱️ Timing
Total: 2460ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 171.244.32.185 |
| NS | 4 | ns1.zonedns.vn, ns4.zonedns.vn... |
| SOA | 1 | ns1.zonedns.vn root.cvm.vn |
Analysis
Hierarchy
cvm.vn is a parent of tools.cvm.vn and www.cvm.vn.
IP Addresses
cvm.vn points to a single IP number: 171.244.32.185.
Other host names, for instance vattuvina.vn, webmail.maynhuavietdai.vn, cpcontacts.maynhuavietdai.vn, blog.beekids.edu.vn and tools.cvm.vn share IP numbers with cvm.vn.
Name Servers
cvm.vn is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
cvm.vn at least partially shares name servers with other domains, for instance tapbung.vn, vietkhoaoil.vn, beacons.vn, suanhatrongoihaiphong.vn and sencosteel.com.vn.
These name servers are commonly used with ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.
Hosts with two IPs:
ns1.zonedns.vn points to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 64.176.84.220
ns2.zonedns.vn points to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 103.176.178.51
ns3.zonedns.vn points to 2001:df1:3200::15 and 103.28.36.30
ns4.zonedns.vn points to 2001:df1:3200::15 and 103.28.39.159
Hosts pointing to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn
Hosts pointing to 2001:df1:3200::15: ns3.zonedns.vn and ns4.zonedns.vn