cdn4s2.com - robtex.com
cdn4s2.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.170.122.206🇻🇳 NHAN-HOA-AS-VN103.170.122.0/24 NHANHOAGROUP-VN | ||||||
| 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@cdn4s2.com 2026-02-09 #1 | ||||||
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=1778502161 | ||||||
Subdomains
cdn1097.cdn4s2.com |
Same first word
cdn4s2.com |
DNS History
5 records (5 active, 0 former)
●NSns1.zonedns.vn2026-04-20 → 2026-05-11 · 2 obs
● 2026-05-11 12:28:16
●NSns2.zonedns.vn2026-04-20 → 2026-05-11 · 2 obs
● 2026-05-11 12:28:16
●NSns3.zonedns.vn2026-04-20 → 2026-05-11 · 2 obs
● 2026-05-11 12:28:16
●NSns4.zonedns.vn2026-04-20 → 2026-05-11 · 2 obs
● 2026-05-11 12:28:16
●A103.170.122.2062026-04-20 → 2026-05-11 · 2 obs
● 2026-05-11 12:28:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net... | - |
| cdn4s2.com | ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn | - |
✅ Authoritative Response
Server:64.176.84.220
NS records: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cdn4s2.com (unsigned zone)
⏱️ Timing
Total: 2696ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.170.122.206 |
| NS | 4 | ns4.zonedns.vn, ns2.zonedns.vn... |
| SOA | 1 | ns1.zonedns.vn root.cdn4s2.com |
Analysis
Hierarchy
cdn4s2.com is the parent of cdn1097.cdn4s2.com.
IP Addresses
cdn4s2.com points to IP number 103.170.122.206.
Other host names, for instance, cdn1097.cdn4s2.com share IP numbers with cdn4s2.com.
Name Servers
cdn4s2.com is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
cdn4s2.com shares name servers with other domains at least partially, for example dienluc.vn, anvietcpa.com, zebadesign.vn, moneyfor.vn and vantaingoclong.vn.
These name servers are commonly used with the name servers 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
Names pointing to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn
Names pointing to 2001:df1:3200::15: ns3.zonedns.vn and ns4.zonedns.vn