workspace.edu.vn - robtex.com
workspace.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.79.169.149🇸🇬 OVH51.79.128.0/17 Hosting route | ||||||
| PTR | ip149.ip-51-79-169.net | ||||||
| NS | ns1.phuongnamdesign.com ⭐ | ||||||
| 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.phuongnamdesign.com | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| NS | nsbak.phuongnamdesign.com | ||||||
| A | 112.213.89.22🇻🇳 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 | ns8922.dotvndns.vn | ||||||
| MX | mail.workspace.edu.vn ⭐ | ||||||
| A | 51.79.169.149🇸🇬 OVH51.79.128.0/17 Hosting route | ||||||
| PTR | ip149.ip-51-79-169.net | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.phuongnamdesign.comhostmaster@workspace.edu.vn 2025-10-08 #4 | ||||||
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=2018564776 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.phuongnamdesign.com2026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 06:44:50
●NSns2.phuongnamdesign.com2026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 06:44:50
●NSnsbak.phuongnamdesign.com2026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 06:44:50
●MXmail.workspace.edu.vn2026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 06:44:50
●A51.79.169.1492026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 06:44:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| workspace.edu.vn | ns1.phuongnamdesign.com, ns2.phuongnamdesign.com, nsbak.phuongnamdesign.com | - |
✅ Authoritative Response
Server:222.255.121.247
NS records: ns1.phuongnamdesign.com, ns2.phuongnamdesign.com, nsbak.phuongnamdesign.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for workspace.edu.vn (unsigned zone)
⏱️ Timing
Total: 2028ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.79.169.149 |
| NS | 3 | nsbak.phuongnamdesign.com, ns1.phuongnamdesign.com... |
| MX | 1 | mail.workspace.edu.vn (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1.phuongnamdesign.com hostmaster.works |
Analysis
Hierarchy
workspace.edu.vn is a parent of mail.workspace.edu.vn, www.workspace.edu.vn and website.workspace.edu.vn.
IP Addresses
workspace.edu.vn points to a single IP: 51.79.169.149.
Other host names, for instance mail.dzjt.tiengduc.edu.vn, www.daynauan.edu.vn, mail.ghmobile.tiengduc.edu.vn, appledirectory.duhocanh.org and 97.html.duhocanh.org share IP numbers with workspace.edu.vn.
Name Servers
workspace.edu.vn is delegated to three name servers: ns1.phuongnamdesign.com, ns2.phuongnamdesign.com and nsbak.phuongnamdesign.com.
workspace.edu.vn partially shares name servers with other domains; examples include luyenthitiengy.com, sochio.vn, hoctienghoa.net, trungtamtiengduc.com and phongthuyluugia.com.
These name servers commonly accompany ns1.pavietnam.vn, ns1.phuongnamdigital.com, ns2.phuongnamdigital.com and nsbak.phuongnamdigital.com.
Host names with one IP number:
Host ns1.phuongnamdesign.com points to 112.213.89.3.
Host ns2.phuongnamdesign.com points to 222.255.121.247.
Host nsbak.phuongnamdesign.com points to 112.213.89.22.
Mail Servers
workspace.edu.vn is handled by a single mail server, mail.workspace.edu.vn.
mail.workspace.edu.vn points to a single IP: 51.79.169.149.