pstraining.com.vn - robtex.com
pstraining.com.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 112.78.2.14🇻🇳 ODS-AS-VN112.78.2.0/24 ODSJSC-VN | ||||||
| NS | ns1.isa.com.vn ⭐ | ||||||
| A | 112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| NS | ns2.isa.com.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| NS | ns3.isa.com.vn | ||||||
| A | 112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| MX | mail.pstraining.com.vn ⭐ | ||||||
| A | 103.104.123.15🇻🇳 VNDATA-AS-VN103.104.120.0/22 VNDATA-VN VNDATA-VN | ||||||
| PTR | smtp.isamail.vn | ||||||
| TXT | v=spf1 mx a:nnsmtp.hcmc.netnam.vn a:smtp2.isamail.vn a:smtp.isamail.vn ip4:10... | ||||||
| SOA | ns1.isa.com.vnhostmaster@pstraining.com.vn 2026-03-27 #22 | ||||||
com.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=2022707689 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.isa.com.vn2026-05-09 → 2026-05-10 · 2 obs
● 2026-05-10 05:31:48
●NSns2.isa.com.vn2026-05-09 → 2026-05-10 · 2 obs
● 2026-05-10 05:31:48
●NSns3.isa.com.vn2026-05-09 → 2026-05-10 · 2 obs
● 2026-05-10 05:31:48
●MXmail.pstraining.com.vn2026-05-09 → 2026-05-10 · 2 obs
● 2026-05-10 05:31:48
●A112.78.2.142026-05-09 → 2026-05-10 · 2 obs
● 2026-05-10 05:31:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| pstraining.com.vn | ns1.isa.com.vn, ns3.isa.com.vn, ns2.isa.com.vn | - |
✅ Authoritative Response
Server:112.213.89.3
NS records: ns1.isa.com.vn, ns3.isa.com.vn, ns2.isa.com.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pstraining.com.vn (unsigned zone)
⏱️ Timing
Total: 3438ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 112.78.2.14 |
| NS | 3 | ns3.isa.com.vn, ns1.isa.com.vn... |
| MX | 1 | mail.pstraining.com.vn (pri: 10) |
| TXT | 1 | v=spf1 mx a:nnsmtp.hcmc.netnam.vn a:smtp |
| SOA | 1 | ns1.isa.com.vn hostmaster.pstraining.com |
Analysis
Hierarchy
pstraining.com.vn is a parent of new.pstraining.com.vn and mail.pstraining.com.vn.
IP Addresses
pstraining.com.vn points to a single IP: 112.78.2.14.
Other host names, for instance gloryvn.com, bnttravel.dntsolution.vn, inceptionagency.vn, printace.com.vn and vaci.vn share IP numbers with pstraining.com.vn.
Name Servers
pstraining.com.vn is delegated to three name servers: ns1.isa.com.vn, ns2.isa.com.vn and ns3.isa.com.vn.
pstraining.com.vn partially shares name servers with other domains; examples include isatech.vn, onlinefone.com, giaogasnhanh.com, camerabinhthuan.com.vn and cameraphanthiet.com.vn.
These name servers are commonly used with the name servers ns4.isa.com.vn, ns2.dotvndns.vn, ns1.dotvndns.vn, nsbak.dotvndns.com and nsbak.pavietnam.net.
Host names with a single IP number
Host ns1.isa.com.vn points to 112.213.89.3
Host ns2.isa.com.vn points to 222.255.121.247
Host ns3.isa.com.vn points to 112.213.89.3
Host names pointing to 112.213.89.3: ns1.isa.com.vn and ns3.isa.com.vn
Mail Servers
pstraining.com.vn is handled by a single mail server, mail.pstraining.com.vn.
mail.pstraining.com.vn points to a single IP: 103.104.123.15.