diva.edu.vn - robtex.com
diva.edu.vn
edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | b.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | c.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | d.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | e.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | f.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | g.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | h.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2018564748 | ||||||
Subdomains
cpcontacts.diva.edu.vn |
www.diva.edu.vn |
cpcalendars.diva.edu.vn |
mail.diva.edu.vn |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXmail.diva.edu.vn2026-04-30 → 2026-05-09 · 2 obs
● 2026-05-09 20:54:36
●A103.221.220.142026-04-30 → 2026-05-09 · 2 obs
● 2026-05-09 20:54:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| diva.edu.vn | ns-b3.tenten.vn, ns-b2.tenten.vn, ns-b1.tenten.vn | - |
✅ Authoritative Response
Server:137.59.104.68
NS records: ns-b3.tenten.vn, ns-b2.tenten.vn, ns-b1.tenten.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for diva.edu.vn (unsigned zone)
⏱️ Timing
Total: 2280ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.221.220.14 |
| NS | 3 | ns-b2.tenten.vn, ns-b3.tenten.vn... |
| MX | 1 | mail.diva.edu.vn (pri: 10) |
| TXT | 1 | v=spf1mxaip4:103.221.220.14~all |
| SOA | 1 | ns-b3.tenten.vn noreply.tenten.vn |
Analysis
Hierarchy
diva.edu.vn is parent of cpcontacts.diva.edu.vn, www.diva.edu.vn, cpcalendars.diva.edu.vn and mail.diva.edu.vn.
IP Addresses
diva.edu.vn points to a single IP address: 103.221.220.14.
Other host names such as shoescharms.topquangbinh.vn, c0hoahong.pgddtdakglong.edu.vn, mail.thungrac.net, 4ac73471-768f-4579-86ab-8b9da5b29344.danava.com.vn and bb.ccc.dddd.c2quanghoa.pgddtdakglong.edu.vn share IP numbers with diva.edu.vn.
Name Servers
diva.edu.vn is delegated to three name servers: ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn.
At least part of the name servers for diva.edu.vn are shared with other domains, for instance eurogold-vn.com.vn, dep.pro.vn, seahotel.io.vn, this.vn and studyup.vn.
These name servers are often used together 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
The mail server for diva.edu.vn is mail.diva.edu.vn.
Host mail.diva.edu.vn points to IP 103.221.220.14.