fas.edu.vn - robtex.com
fas.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.221.223.9🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN | ||||||
| NS | ns3.azdigi.com ⭐ | ||||||
| A | 45.252.248.5🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-VN | ||||||
| NS | ns4.azdigi.com | ||||||
| A | 103.221.222.220🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN | ||||||
| MX | fas.edu.vn ⭐ | ||||||
| A | 103.221.223.9🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN | ||||||
| SOA | ns3.azdigi.comhosting-admin@azdigi.com 2026-04-05 #1 | ||||||
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=2018564639 | ||||||
MX for
fas.edu.vn |
Subdomains
kynangmem.fas.edu.vn |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns3.azdigi.com2026-04-30 → 2026-05-09 · 2 obs
● 2026-05-09 14:13:06
●NSns4.azdigi.com2026-04-30 → 2026-05-09 · 2 obs
● 2026-05-09 14:13:06
●MXfas.edu.vn2026-04-30 → 2026-05-09 · 2 obs
● 2026-05-09 14:13:06
●A103.221.223.92026-04-30 → 2026-05-09 · 2 obs
● 2026-05-09 14:13:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| fas.edu.vn | ns3.azdigi.com, ns4.azdigi.com | - |
✅ Authoritative Response
Server:45.252.248.5
NS records: ns3.azdigi.com, ns4.azdigi.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fas.edu.vn (unsigned zone)
⏱️ Timing
Total: 1160ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.221.223.9 |
| NS | 2 | ns3.azdigi.com, ns4.azdigi.com |
| MX | 1 | fas.edu.vn (pri: 0) |
| SOA | 1 | ns3.azdigi.com hosting-admin.azdigi.com |
Analysis
Hierarchy
kynangmem.fas.edu.vn has fas.edu.vn as its parent.
Mail Server Role
The mail server for fas.edu.vn is fas.edu.vn.
IP Addresses
fas.edu.vn maps to IP address 103.221.223.9.
Other host names, for instance funni.vn, mail.hykvietnam.com.vn, huongvietvn.top, flashfix.vn.conongtho.com and maytinhquangninh.com share IP numbers with fas.edu.vn.
Name Servers
Two name servers ns3.azdigi.com and ns4.azdigi.com are delegated to fas.edu.vn.
fas.edu.vn uses the same name server configuration as other domains, such as oecc.vn, mahamaster.com, thitheosach.vn, hocdienoto.vn and vietnamtourpackage.com.vn.
fas.edu.vn at least partially shares name servers with other domains such as toursun.vn, adotools.com, quantripro.com, teramind.com.vn and auviet-tech.com.
These name servers are often used together with ns1.dotvndns.vn, ns3.zonedns.vn, ns4.zonedns.vn, ns1.zonedns.vn, ns2.zonedns.vn, nsbak.dotvndns.com, ns3.azdigihost.com, ns4.azdigihost.com, ns4azdigi.com and ns1.inet.vn.
Host names with a single IP address:
ns3.azdigi.com points to 45.252.248.5
ns4.azdigi.com points to 103.221.222.220
Mail Servers
One mail server serves fas.edu.vn.
fas.edu.vn points to one IP number: 103.221.223.9.