4si.vn - robtex.com
4si.vn
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=2030595447 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXmail.4si.vn2026-03-19 → 2026-03-28 · 2 obs
● 2026-03-28 21:04:30
●A113.61.108.182026-03-19 → 2026-03-28 · 2 obs
● 2026-03-28 21:04:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | e.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn, g.dns-servers.vn... | 16 records |
| 4si.vn | ns-b1.tenten.vn, ns-b2.tenten.vn, ns-b3.tenten.vn | - |
✅ Authoritative Response
Server:137.59.104.67
NS records: ns-b1.tenten.vn, ns-b2.tenten.vn, ns-b3.tenten.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4si.vn (unsigned zone)
⏱️ Timing
Total: 2436ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 113.61.108.18 |
| NS | 3 | ns-b2.tenten.vn, ns-b1.tenten.vn... |
| MX | 1 | mail.4si.vn (pri: 0) |
| SOA | 1 | ns-b3.tenten.vn noreply.tenten.vn |
📌 Glue Records Collected
Total: 16
In-bailiwick: 16 (h.dns-servers.vn, g.dns-servers.vn, f.dns-servers.vn...)
Analysis
Hierarchy
4si.vn is a parent of mail.4si.vn and inv.4si.vn.
IP Addresses
4si.vn resolves to one IP number: 113.61.108.18.
Other host names for instance www.lcs.com.vn and lcs.com.vn share IP numbers with 4si.vn.
Name Servers
4si.vn is delegated to three name servers: ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn.
4si.vn at least partially shares name servers with other domains, including dep.pro.vn, lvtglobal.com.vn, truongdientu.vn, artlan.vn and dichthuatchuyennghiep.vn.
These name servers are commonly used with ns-a1.tenten.vn, ns-a2.tenten.vn and ns-a3.tenten.vn.
Host names with two IP numbers:
ns-b1.tenten.vn: 2404:f080:1101:321:a150:95:110:1230 and 137.59.104.67
ns-b2.tenten.vn: 2404:f080:1101:321:a150:95:110:1231 and 137.59.104.68
ns-b3.tenten.vn: 2404:f080:1101:321:a150:95:110:1232 and 163.44.207.21
Mail Servers
A single mail server handles 4si.vn, mail.4si.vn.
Host name mail.4si.vn resolves to a single IP: 113.61.108.222.