toptrain.edu.vn - robtex.com
toptrain.edu.vn
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=2018565367 | ||||||
Subdomains
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NScleo.ns.cloudflare.com2026-04-30 → 2026-05-12 · 2 obs
● 2026-05-12 12:52:26
●NSines.ns.cloudflare.com2026-04-30 → 2026-05-12 · 2 obs
● 2026-05-12 12:52:26
●MXtoptrain-edu-vn.mail.protection.outlook.com2026-04-30 → 2026-05-12 · 2 obs
● 2026-05-12 12:52:26
●A104.21.62.1172026-04-30 → 2026-05-12 · 2 obs
● 2026-05-12 12:52:26
●A172.67.223.1292026-04-30 → 2026-05-12 · 2 obs
● 2026-05-12 12:52:26
●A2606:4700:3031::6815:3e752026-04-30 → 2026-05-12 · 2 obs
● 2026-05-12 12:52:26
●A2606:4700:3033::ac43:df812026-04-30 → 2026-05-12 · 2 obs
● 2026-05-12 12:52:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | f.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn, a.dns-servers.vn... | - |
| toptrain.edu.vn | cleo.ns.cloudflare.com, ines.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.89
NS records: cleo.ns.cloudflare.com, ines.ns.cloudflare.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at vn: Error: DNS query timeout: 203.119.68.105 for DNSKEY vn
⏱️ Timing
Total: 3807ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.62.117, 172.67.223.129 |
| AAAA | 2 | 2606:4700:3031::6815:3e75, 2606:4700:3033::ac43:df81 |
| NS | 2 | cleo.ns.cloudflare.com, ines.ns.cloudflare.com |
| MX | 1 | toptrain-edu-vn.mail.protection.outlook. |
| TXT | 2 | MS=ms42544345, v=spf1 include:spf.protection.outlook.co |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | cleo.ns.cloudflare.com dns.cloudflare.co |
Analysis
Hierarchy
toptrain.edu.vn is a parent of mail.toptrain.edu.vn and www.toptrain.edu.vn.
IP Addresses
toptrain.edu.vn maps to four IP numbers: 2606:4700:3031::6815:3e75, 2606:4700:3033::ac43:df81, 104.21.62.117 and 172.67.223.129.
Other host names such as mail.serttaban.com, xuezhangzhishou.com, sinigacorpasti.com, eruslusaglik.com.tr and ns3.cjworldserver.com share IPs with toptrain.edu.vn.
Name Servers
Two name servers cleo.ns.cloudflare.com and ines.ns.cloudflare.com handle the delegation for toptrain.edu.vn.
toptrain.edu.vn shares the same name server setup as other domains, for example baohanhbosch24h.com, namhoang.vn, suachuadienlanh.net.vn, axoniuos.com and quangcaolacviet.com.
toptrain.edu.vn at least partially shares name servers with other domains, for example teieazrimj.wiki, algrp.com, jmfpoem.com, washingtondcjcc.org and trxtrainingcenter.com.
These name servers are often used with armando.ns.cloudflare.com, veda.ns.cloudflare.com, graham.ns.cloudflare.com, ray.ns.cloudflare.com and dalary.ns.cloudflare.com.
Host names with six IP numbers:
cleo.ns.cloudflare.com points to 2606:4700:58::adf5:3b59, 2803:f800:50::6ca2:c159, 2a06:98c1:50::ac40:2159, 108.162.193.89, 172.64.33.89 and 173.245.59.89.
ines.ns.cloudflare.com points to 2606:4700:50::adf5:3aa4, 2803:f800:50::6ca2:c0a4, 2a06:98c1:50::ac40:20a4, 108.162.192.164, 172.64.32.164 and 173.245.58.164.
Mail Servers
The toptrain-edu-vn.mail.protection.outlook.com mail server handles toptrain.edu.vn.
Host name toptrain-edu-vn.mail.protection.outlook.com resolves to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.