cdhy.com.vn - robtex.com
cdhy.com.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.149.29.56🇻🇳 THANHPHAT-VN103.149.28.0/23 | ||||||
| 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@cdhy.com.vn 2026-01-05 #1 | ||||||
com.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | b.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | c.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | d.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | e.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | f.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | g.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | h.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2022708513 | ||||||
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 18:28:10
●NSns2.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 18:28:10
●NSns3.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 18:28:10
●NSns4.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 18:28:10
●A103.149.29.562026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 18:28:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | b.dns-servers.vn, g.dns-servers.vn, h.dns-servers.vn, c.dns-servers.vn... | - |
| cdhy.com.vn | ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn | - |
✅ Authoritative Response
Server:103.28.36.30
NS records: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cdhy.com.vn (unsigned zone)
⏱️ Timing
Total: 2208ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.149.29.56 |
| NS | 4 | ns1.zonedns.vn, ns3.zonedns.vn... |
| SOA | 1 | ns1.zonedns.vn root.cdhy.com.vn |
Analysis
Hierarchy
cdhy.com.vn is a parent of api.cdhy.com.vn and www.cdhy.com.vn.
IP Addresses
cdhy.com.vn points to a single IP number: 103.149.29.56.
Other host names, for instance www.cdhy.com.vn, chatbot.justtuananh.io.vn and api.cdhy.com.vn share IP numbers with cdhy.com.vn.
Name Servers
cdhy.com.vn is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
cdhy.com.vn shares name servers with other domains at least partially, for instance gamemobi.xyz, yduocviet.com.vn, thietkecatalog.vn, saigonzoo.net and caplayeuthuong.vn.
these name servers are commonly used together with ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.
Host names with two IP numbers:
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
Host names that point to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn
Host names that point to 2001:df1:3200::15: ns3.zonedns.vn and ns4.zonedns.vn