studyup.vn - robtex.com
studyup.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=2030753637 | ||||||
Subdomains
www.studyup.vn |
Same first word
Similar names
upstudy.org |
upstudy.ai |
upstudy.pro |
upstudy.net |
pustudy.com |
upstudy.ru |
upstudy.com.br |
upstudy.com |
upstudy.top |
DNS History
5 records (5 active, 0 former)
●MXmail.studyup.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 01:32:02
●A103.27.238.2272026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 01:32:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| studyup.vn | ns-b1.tenten.vn, ns-b3.tenten.vn, ns-b2.tenten.vn | - |
✅ Authoritative Response
Server:163.44.207.21
NS records: ns-b1.tenten.vn, ns-b3.tenten.vn, ns-b2.tenten.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studyup.vn (unsigned zone)
⏱️ Timing
Total: 1313ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.27.238.227 |
| NS | 3 | ns-b3.tenten.vn, ns-b2.tenten.vn... |
| MX | 1 | mail.studyup.vn (pri: 10) |
| TXT | 1 | v=spf1mxaip4:103.27.238.227~all |
| SOA | 1 | ns-b3.tenten.vn noreply.tenten.vn |
Analysis
Hierarchy
studyup.vn is the parent of www.studyup.vn.
IP Addresses
studyup.vn resolves to one IP number: 103.27.238.227.
other host names including mail.gomall.vn, palletngocha.vn, qlda.vn, gomall.vn and studyup.com.vn share IP numbers with studyup.vn.
Name Servers
studyup.vn is delegated to three name servers ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn.
studyup.vn at least partially shares name servers with other domains, for instance en-tekwell.vn, dichvuonline.com.vn, duhochumi.edu.vn, ruouthuthuy.vn and sfesolution.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 points to: 2404:f080:1101:321:a150:95:110:1230 and 137.59.104.67.
ns-b2.tenten.vn points to: 2404:f080:1101:321:a150:95:110:1231 and 137.59.104.68.
ns-b3.tenten.vn points to: 2404:f080:1101:321:a150:95:110:1232 and 163.44.207.21.
Mail Servers
studyup.vn is handled by a single mail server, mail.studyup.vn.
mail.studyup.vn resolves to IP 103.27.238.227.