www.extech.vn - robtex.com
www.extech.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.110.84.187🇻🇳 AZDIGI-AS-VN103.110.84.0/22 VPDD-AZDIGI-VN VPDD-AZDIGI-VN | ||||||
extech.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.110.84.187🇻🇳 AZDIGI-AS-VN103.110.84.0/22 VPDD-AZDIGI-VN VPDD-AZDIGI-VN | ||||||
| NS | ns3.vinahost.vn ⭐ | ||||||
| NS | ns4.vinahost.vn | ||||||
| MX | mail.extech.vn ⭐ | ||||||
| TXT | v=spf1 a mx ip4:125.212.217.204 ~all | ||||||
| SOA | ns3.vinahost.vnhostmaster@extech.vn 2025-11-21 #5 | ||||||
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A103.110.84.1872026-05-09 → 2026-05-14 · 3 obs
○ 2018-09-12 19:58:00
● 2026-05-09 14:50:44
● 2026-05-14 09:12:14
● 2026-05-09 14:50:44
● 2026-05-14 09:12:14
○A125.212.241.2292018-09-12 → 2018-09-12 · 3 obs
● 2018-09-12 19:58:00
○ 2026-05-09 14:50:44
○ 2026-05-14 09:12:14
○ 2026-05-09 14:50:44
○ 2026-05-14 09:12:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| extech.vn | ns4.vinahost.vn, ns3.vinahost.vn | 2 records |
✅ Authoritative Response
Server:125.212.217.199
NS records: ns4.vinahost.vn, ns3.vinahost.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for extech.vn (unsigned zone)
⏱️ Timing
Total: 810ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.110.84.187 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns4.vinahost.vn, ns3.vinahost.vn)
Analysis
IP Addresses
www.extech.vn points to a single IP number: 103.110.84.187.
Other host names, for instance mail.tenmars.com.vn, tenmars.com.vn, mail.extech.vn and extech.vn share IP numbers with www.extech.vn.