vduh.org - robtex.com
vduh.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.56.158.118🇻🇳 VTN-1103.56.156.0/22 VCCORP-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 | ||||||
| MX | mail.vduh.org ⭐ | ||||||
| A | 45.117.81.68🇻🇳 NHAN-HOA-AS-VN45.117.80.0/22 NHANHOA-VN | ||||||
| PTR | mail.vduh.org | ||||||
| TXT | v=spf1 mx ip4:45.117.81.68 include:spf.nhanhoa.com ~all | ||||||
| SOA | ns1.zonedns.vnroot@vduh.org 2026-04-24 #5 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1778199214 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.zonedns.vn2026-04-27 → 2026-05-08 · 2 obs
● 2026-05-08 00:44:34
●NSns2.zonedns.vn2026-04-27 → 2026-05-08 · 2 obs
● 2026-05-08 00:44:34
●NSns3.zonedns.vn2026-04-27 → 2026-05-08 · 2 obs
● 2026-05-08 00:44:34
●NSns4.zonedns.vn2026-04-27 → 2026-05-08 · 2 obs
● 2026-05-08 00:44:34
●MXmail.vduh.org2026-04-27 → 2026-05-08 · 2 obs
● 2026-05-08 00:44:34
●A103.56.158.1182026-04-27 → 2026-05-08 · 2 obs
● 2026-05-08 00:44:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| vduh.org | ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn | - |
✅ Authoritative Response
Server:103.176.178.51
NS records: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for vduh.org (unsigned zone)
⏱️ Timing
Total: 1683ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.56.158.118 |
| NS | 4 | ns1.zonedns.vn, ns2.zonedns.vn... |
| MX | 1 | mail.vduh.org (pri: 10) |
| TXT | 1 | v=spf1 mx ip4:45.117.81.68 include:spf. |
| SOA | 1 | ns1.zonedns.vn root.vduh.org |
Analysis
Hierarchy
vduh.org is parent of www.vduh.org and mail.vduh.org.
IP Addresses
vduh.org points to a single IP number: 103.56.158.118.
other host names for instance jp.benhvienvietduc.org, dev.benhvienvietduc.org, zh.benhvienvietduc.org, benhvienvietduc.org and eng.benhvienvietduc.org share IP numbers with vduh.org.
Name Servers
vduh.org is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
vduh.org at least partially shares name servers with other domains, for instance ntg.com.vn, bumen.vn, nhadat68.vn, blueenglish.edu.vn and daunhothyundai.com.
These name servers are often used 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
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
Mail Servers
vduh.org is handled by a single mail server, mail.vduh.org.
Host name mail.vduh.org points to IP address 45.117.81.68.