fnbstudy.vn - robtex.com
fnbstudy.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 42.96.43.76🇻🇳 CMC-142.96.40.0/22 CMCTELECOM-VN | ||||||
| NS | ns1.rdns.vn ⭐ | ||||||
| A | 2401:5f80:5001:9::a5🇻🇳 VTDC-AS-VN2401:5f80:5000::/36 VTDC-VN | ||||||
| A | 171.244.141.236🇻🇳 VTDC-AS-VN171.244.140.0/22 Proxy-registered route object | ||||||
| NS | ns2.vietnap.net | ||||||
| A | 2406:9c80::9000:854🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| A | 103.1.238.205🇻🇳 SUPERDATA103.1.238.0/24 -VN | ||||||
| PTR | pa-103-1-238-205.rdns.vn | ||||||
| MX | mail.fnbstudy.vn ⭐ | ||||||
| A | 42.96.43.76🇻🇳 CMC-142.96.40.0/22 CMCTELECOM-VN | ||||||
| TXT | v=spf1 include:spf.vietnap.net -all | ||||||
| SOA | ns1.rdns.vnhostmaster@fnbstudy.vn 2026-02-17 #2 | ||||||
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=2030757198 | ||||||
Subdomains
Same first word
DNS History
4 records (4 active, 0 former)
●NSns2.vietnap.net2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 03:52:08
●MXmail.fnbstudy.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 03:52:08
●A42.96.43.762026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 03:52:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| fnbstudy.vn | ns1.rdns.vn, ns2.vietnap.net | 1 record |
✅ Authoritative Response
Server:171.244.141.236
NS records: ns1.rdns.vn, ns2.vietnap.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fnbstudy.vn (unsigned zone)
⏱️ Timing
Total: 1824ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 42.96.43.76 |
| NS | 2 | ns1.rdns.vn, ns2.vietnap.net |
| MX | 1 | mail.fnbstudy.vn (pri: 10) |
| TXT | 1 | v=spf1 include:spf.vietnap.net -all |
| SOA | 1 | ns1.rdns.vn hostmaster.fnbstudy.vn |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns1.rdns.vn)
Analysis
Hierarchy
fnbstudy.vn is a parent of www.fnbstudy.vn, ftp.fnbstudy.vn and mail.fnbstudy.vn.
IP Addresses
fnbstudy.vn points to a single IP number: 42.96.43.76.
Other host names, for instance codiennk.vn, www.carrental.ntdtravel.com.vn, sunrisetravel.com.vn, www.tuyendung.ipos.vn and www.mice.ntdtravel.com.vn share IP numbers with fnbstudy.vn.
Name Servers
Delegation for fnbstudy.vn rests with two name servers, ns2.vietnap.net and ns1.rdns.vn.
fnbstudy.vn shares the same name server setup as other domains, including prevents.vn, dongduongvn.com, toeicforcareer.net, hocvienfnb.vn and linhperfume.com.
fnbstudy.vn at least partially shares name servers with other domains, for instance giovanni.com.vn, tuyetnga.com.vn, nana.vn, cadovimex.com.vn and ahacafe.vn.
These name servers are commonly used with ns1.vietnap.net, ns5.vietnap.net, eu.rdns.vn, sg.rdns.vn, ns1.bergen.vietnap.net and ns2.bergen.vietnap.net.
Host names with two IP numbers: ns2.vietnap.net points to 2406:9c80::9000:854 and 103.1.238.205; ns1.rdns.vn points to 2401:5f80:5001:9::a5 and 171.244.141.236.
Mail Servers
fnbstudy.vn is handled by a single mail server, mail.fnbstudy.vn.
mail.fnbstudy.vn points to a single IP: 42.96.43.76.