azplusmath.edu.vn - robtex.com
azplusmath.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.vietnix.net ⭐ ⚠️ Not in zone NS records | ||||||
| A | 103.200.22.22🇻🇳 VNPT-AS-VN103.200.22.0/24 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 | ||||||
| NS | ns2.vietnix.net ⚠️ Not in zone NS records | ||||||
| A | 103.200.20.20🇻🇳 VNPT-AS-VN103.200.20.0/24 VNPT-NET | ||||||
| SOA | ns1.vietnix.nethostmaster@azplusmath.edu.vn 2025-09-21 #5 | ||||||
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=2018586546 | ||||||
Subdomains
www.azplusmath.edu.vn |
Same first word
azplusmath.edu.vn |
DNS History
2 records (2 active, 0 former)
●NSns1.vietnix.net2026-06-01 → 2026-08-10 · 2 obs
● 2026-08-10 17:50:18
●NSns2.vietnix.net2026-06-01 → 2026-08-10 · 2 obs
● 2026-08-10 17:50:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| azplusmath.edu.vn | ns1.vietnix.net, ns2.vietnix.net | - |
✅ Authoritative Response
Server:103.200.20.20
NS records: ns1.vietnix.net, ns2.vietnix.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for azplusmath.edu.vn (unsigned zone)
⏱️ Timing
Total: 3237ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| SOA | 1 | ns1.vietnix.net hostmaster.azplusmath.ed |
Analysis
Hierarchy
www.azplusmath.edu.vn is a subdomain of azplusmath.edu.vn.
Name Servers
DNS delegation for azplusmath.edu.vn points to two name servers: ns1.vietnix.net and ns2.vietnix.net.
azplusmath.edu.vn shares its NS records with other domains, for example emcodo.vn, daotaoseodigi.com, phelieudangdung.com and two others.
The name servers of azplusmath.edu.vn overlap at least partially with those of other domains — among them enfitness.vn, teslacncai.com, 25custom.com and two more.
These name servers commonly appear in combination with the name servers nsbak.vietnix.net.
Both ns1.vietnix.net and ns2.vietnix.net have a single IP address each — ns1.vietnix.net resolves to 103.200.22.22 while ns2.vietnix.net resolves to 103.200.20.20.