old.tnengineering.com.vn - robtex.com
old.tnengineering.com.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.15.51.72🇻🇳 ODS-AS-VN103.15.51.0/24 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 | srv61.phuctoan.net | ||||||
| NS | ns1.phuctoan.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 112.78.4.106🇻🇳 ODS-AS-VN112.78.4.0/24 ODSJSC-VN | ||||||
| PTR | srv106.phuctoan.net | ||||||
| NS | ns2.phuctoan.com ⚠️ Not in parent delegation | ||||||
| A | 112.78.4.106🇻🇳 ODS-AS-VN112.78.4.0/24 ODSJSC-VN | ||||||
| PTR | srv106.phuctoan.net | ||||||
| MX | mail.old.tnengineering.com.vn ⭐ | ||||||
| A | 103.15.51.72🇻🇳 ODS-AS-VN103.15.51.0/24 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 | srv61.phuctoan.net | ||||||
| TXT | v=spf1 +a +mx +ip4:103.15.51.72 ~all | ||||||
| SOA | ns1.phuctoan.comsupport@phuctoan.net 2025-11-18 #8 | ||||||
tnengineering.com.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 112.78.4.106🇻🇳 ODS-AS-VN112.78.4.0/24 ODSJSC-VN | ||||||
| NS | ns1.phuctoan.com ⭐ | ||||||
| NS | ns2.phuctoan.com | ||||||
| MX | mail.tnengineering.com.vn ⭐ | ||||||
| TXT | v=spf1 +a +mx +ip4:112.78.4.106 ~all | ||||||
| SOA | ns1.phuctoan.comsupport@phuctoan.net 2026-05-02 #1 | ||||||
Subdomains
cpcalendars.old.tnengineering.com.vn |
mail.old.tnengineering.com.vn |
cpcontacts.old.tnengineering.com.vn |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.phuctoan.com2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 04:57:00
●NSns2.phuctoan.com2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 04:57:00
●MXmail.old.tnengineering.com.vn2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 04:57:00
●A103.15.51.722026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 04:57:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | h.dns-servers.vn, g.dns-servers.vn, f.dns-servers.vn, a.dns-servers.vn... | - |
| tnengineering.com.vn | ns2.phuctoan.com, ns1.phuctoan.com | - |
✅ Authoritative Response
Server:112.78.4.106
NS records: ns2.phuctoan.com, ns1.phuctoan.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tnengineering.com.vn (unsigned zone)
⏱️ Timing
Total: 1906ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.15.51.72 |
| NS | 2 | ns1.phuctoan.com, ns2.phuctoan.com |
| MX | 1 | mail.old.tnengineering.com.vn (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:103.15.51.72 ~all |
| SOA | 1 | ns1.phuctoan.com support.phuctoan.net |
Analysis
Hierarchy
old.tnengineering.com.vn is a parent of cpcalendars.old.tnengineering.com.vn, mail.old.tnengineering.com.vn and cpcontacts.old.tnengineering.com.vn.
IP Addresses
old.tnengineering.com.vn points to a single IP number: 103.15.51.72.
Other host names, for instance cpcalendars.old.tnengineering.com.vn, www.old.cuisineworld.com.vn.phuctoan.net, support.phuctoan.net, srv61.phuctoan.net and old.cuisineworld.com.vn share IP numbers with old.tnengineering.com.vn.
Name Servers
old.tnengineering.com.vn is delegated to two name servers: ns1.phuctoan.com and ns2.phuctoan.com.
old.tnengineering.com.vn uses the same name server setup as other domains, for instance caps.com.vn, bvbinhan.com.vn, sakos.com.vn, edusoft.net.vn and philao.com.
old.tnengineering.com.vn at least partially shares name servers with other domains, such as vsolution.com.vn and datsach.vn and maccorp.com.vn.
Host names with a single IP number:
ns1.phuctoan.com points to 112.78.4.106.
ns2.phuctoan.com points to 112.78.4.106.
Host names pointing to 112.78.4.106: ns1.phuctoan.com and ns2.phuctoan.com.
Mail Servers
The mail server for old.tnengineering.com.vn is mail.old.tnengineering.com.vn.
Host name mail.old.tnengineering.com.vn resolves to IP 103.15.51.72.