3tech.vn - robtex.com
3tech.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.221.220.29🇻🇳 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 | 3tech.vn ⭐ | ||||||
| A | 103.221.220.29🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN | ||||||
| TXT | v=spf1 +a +mx +ip4:103.221.221.13 +ip4:103.221.220.29 ~all | ||||||
| SOA | ns3.azdigi.comhosting-admin@azdigi.com 2026-04-30 #1 | ||||||
vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn | ||||||
| NS | b.dns-servers.vn | ||||||
| NS | c.dns-servers.vn | ||||||
| NS | d.dns-servers.vn | ||||||
| NS | e.dns-servers.vn | ||||||
| NS | f.dns-servers.vn | ||||||
| NS | g.dns-servers.vn | ||||||
| NS | h.dns-servers.vn | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2030764252 | ||||||
MX for
3tech.vn |
Subdomains
www.3tech.vn |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns3.azdigi.com2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 14:33:20
●NSns4.azdigi.com2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 14:33:20
●MX3tech.vn2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 14:33:20
●A103.221.220.292026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 14:33:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| 3tech.vn | ns4.azdigi.com, ns3.azdigi.com | - |
✅ Authoritative Response
Server:103.221.222.220
NS records: ns4.azdigi.com, ns3.azdigi.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 3tech.vn (unsigned zone)
⏱️ Timing
Total: 1322ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.221.220.29 |
| NS | 2 | ns3.azdigi.com, ns4.azdigi.com |
| MX | 1 | 3tech.vn (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:103.221.221.13 +ip4:1 |
| SOA | 1 | ns3.azdigi.com hosting-admin.azdigi.com |
Analysis
Hierarchy
3tech.vn is the parent of www.3tech.vn.
Mail Server Role
For 3tech.vn, the mail server is 3tech.vn.
IP Addresses
3tech.vn resolves to one IP number: 103.221.220.29.
other host names including rubicmarketing.com, album.nguyenai.edu.vn, www.vanphongphamgiare.vn, thuvienso.net.vn and baohohungthinh.com share IP numbers with 3tech.vn.
Name Servers
3tech.vn is delegated to two name servers ns3.azdigi.com and ns4.azdigi.com.
3tech.vn shares the same name server setup as other domains, for instance thcstrandainghia.edu.vn, banghieudanang.net, tailieumoinhat.com, cherrystore.com.vn and kienthuclichsu.vn.
3tech.vn at least partially shares name servers with other domains, for instance lver.io.vn, herident.com, ketsatdientu.com, blueforest.media and icancam.vn.
Name servers commonly used together include ns1.matbao.vn, ns2.matbao.vn, ns3.azdigihost.com, ns4.azdigihost.com, ns1.inet.vn, ns2.inet.vn, ns3.inet.vn, ns-master.inet.vn and ns4azdigi.com.
Host names with one IP number:
ns3.azdigi.com points to 45.252.248.5
ns4.azdigi.com points to 103.221.222.220
Mail Servers
3tech.vn is served by a single mail server, 3tech.vn.
3tech.vn resolves to IP 103.221.220.29.