trainermaster.edu.vn - robtex.com
trainermaster.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.56.157.218🇻🇳 VTN-1103.56.156.0/22 VCCORP-VN | ||||||
| PTR | mail.antinhp.com | ||||||
| PTR | mail.candashop.com | ||||||
| PTR | mail.thanhminhhp.com | ||||||
| PTR | mail.vinatd.com | ||||||
| PTR | mail.songcam.vn | ||||||
| PTR | mail.xuantruongtransport.com.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@trainermaster.edu.vn 2025-10-27 #1 | ||||||
edu.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=2018565100 | ||||||
Subdomains
www.trainermaster.edu.vn |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.zonedns.vn2026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 13:33:04
●NSns2.zonedns.vn2026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 13:33:04
●NSns3.zonedns.vn2026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 13:33:04
●NSns4.zonedns.vn2026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 13:33:04
●A103.56.157.2182026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 13:33:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | g.dns-servers.vn, e.dns-servers.vn, c.dns-servers.vn, b.dns-servers.vn... | - |
| trainermaster.edu.vn | ns1.zonedns.vn, ns2.zonedns.vn, ns4.zonedns.vn, ns3.zonedns.vn | - |
✅ Authoritative Response
Server:103.28.39.159
NS records: ns1.zonedns.vn, ns2.zonedns.vn, ns4.zonedns.vn, ns3.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for trainermaster.edu.vn (unsigned zone)
⏱️ Timing
Total: 844ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.56.157.218 |
| NS | 4 | ns3.zonedns.vn, ns4.zonedns.vn... |
| SOA | 1 | ns1.zonedns.vn root.trainermaster.edu.vn |
Analysis
Hierarchy
The parent of www.trainermaster.edu.vn is trainermaster.edu.vn.
IP Addresses
trainermaster.edu.vn points to a single IP: 103.56.157.218.
Other host names, for instance ubkhaadmin.diengia.edu.vn, ce4118a1-a8b9-4c9f-a0ed-021dd2a3cfbb.diengia.edu.vn, rqgqladmin.diengia.edu.vn, zytlkelhzdadmin.diengia.edu.vn and mtagwadmin.diengia.edu.vn share IP numbers with trainermaster.edu.vn.
Name Servers
trainermaster.edu.vn's delegation is handled by four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
trainermaster.edu.vn partially shares name servers with other domains; examples include srotruongan.com, phuan.edu.vn, xaydungtayninh.vn, tombaby.vn and esportsvn.vn.
These name servers are often 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