viettrung.com - robtex.com
viettrung.com
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=1775957292 | ||||||
Subdomains
mail.viettrung.com |
Same first word
viettrung.com |
viettrung.net |
viettrung.com.vn |
Similar names
DNS History
7 records (4 active, 3 former)
○NS(root)2015-08-29 → 2016-12-04 · 4 obs
● 2016-12-04 02:34:36
○ 2026-02-24 03:40:58
○ 2026-04-12 01:54:04
●NSns1.matbao.com2026-02-24 → 2026-04-12 · 3 obs
● 2026-02-24 03:40:58
● 2026-04-12 01:54:04
●NSns2.matbao.com2026-02-24 → 2026-04-12 · 3 obs
● 2026-02-24 03:40:58
● 2026-04-12 01:54:04
○MXmail.viettrung.com2015-08-29 → 2016-12-04 · 4 obs
● 2016-12-04 02:34:36
○ 2026-02-24 03:40:58
○ 2026-04-12 01:54:04
●MXviettrung-com.mail.protection.outlook.com2026-02-24 → 2026-04-12 · 3 obs
● 2026-02-24 03:40:58
● 2026-04-12 01:54:04
○A115.84.183.1192015-08-29 → 2016-12-04 · 4 obs
● 2016-12-04 02:34:36
○ 2026-02-24 03:40:58
○ 2026-04-12 01:54:04
●A203.205.31.2212026-02-24 → 2026-04-12 · 3 obs
● 2026-02-24 03:40:58
● 2026-04-12 01:54:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net... | - |
| viettrung.com | ns1.matbao.com, ns2.matbao.com | 4 records |
✅ Authoritative Response
Server:103.138.89.11
NS records: ns1.matbao.com, ns2.matbao.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for viettrung.com (unsigned zone)
⏱️ Timing
Total: 613ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.205.31.221 |
| NS | 2 | ns1.matbao.com, ns2.matbao.com |
| MX | 1 | viettrung-com.mail.protection.outlook.co |
| TXT | 1 | v=spf1 mx include:emailserver.vn include |
| SOA | 1 | ns1.matbao.com admin.matbao.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.matbao.com, ns1.matbao.com, ns2.matbao.com...)
Analysis
Hierarchy
mail.viettrung.com is a child of viettrung.com.
IP Addresses
viettrung.com resolves to one IP number: 203.205.31.221.
Other host names, for instance vpower.com.vn, pilotco1.com, bizami.com.vn, giavietninhthuan.com.vn and webmail.hinodpt.vn share IP numbers with viettrung.com.
Name Servers
viettrung.com's delegation uses two name servers: ns1.matbao.com and ns2.matbao.com.
viettrung.com uses the same name server setup as other domains, such as phongkhambinhan.com, khachsanphuchung.com, cakeart.vn, thucphamminhbach.com and lapmangviettel.com.
viettrung.com at least partially shares name servers with other domains, including checkgia.vn, centosy.vn, luatsubaochua.org, ttmindustry.vn and thuexephamgia.com.
These name servers are often used with ns1.matbao.vn and ns2.matbao.vn.
Host names with two IPs:
ns1.matbao.com points to 13.250.228.99 and 103.110.128.60
ns2.matbao.com points to 35.198.203.127 and 103.138.89.11
Mail Servers
A single mail server handles viettrung.com, viettrung-com.mail.protection.outlook.com.
viettrung-com.mail.protection.outlook.com has six IPs: 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.