tnc.edu.vn - robtex.com
tnc.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=2018575078 | ||||||
Subdomains
demo.tnc.edu.vn |
cpcalendars.tnc.edu.vn |
vimwhfit.tnc.edu.vn |
xfnyrmail.tnc.edu.vn |
3e04ce03-bb87-470e-bdf9-fc643b91d4ef.tnc.edu.vn |
34b7401b-14ce-46b1-ad43-9d0987b404b6.tnc.edu.vn |
656addbb-5ead-4b1f-bc01-c518a57d850c.tnc.edu.vn |
eihjssmtp.tnc.edu.vn |
zrilzsmtp.tnc.edu.vn |
5a0cd546-4fae-44bc-b00a-a8f99d21a79f.tnc.edu.vn |
dddd.tnc.edu.vn |
cpcontacts.tnc.edu.vn |
gksqaimap.tnc.edu.vn |
mughlghbtiimap.tnc.edu.vn |
uspnwmail.tnc.edu.vn |
74922d0b-567a-4ecd-b6b0-b7d1d6af677d.tnc.edu.vn |
kunukadmin.tnc.edu.vn |
idfrladmin.tnc.edu.vn |
zyaccadmin.tnc.edu.vn |
website.tnc.edu.vn |
cpanel.tnc.edu.vn |
mail.tnc.edu.vn |
isydyadmin.tnc.edu.vn |
wbcvlmail.tnc.edu.vn |
smtp.tnc.edu.vn |
hostmaster.tnc.edu.vn |
eewvpimap.tnc.edu.vn |
ofalmimap.tnc.edu.vn |
wzkiqadmin.tnc.edu.vn |
2b4ba2ec-1eba-471e-9ea1-ccce4f63f214.tnc.edu.vn |
qbswtadmin.tnc.edu.vn |
rtukhadmin.tnc.edu.vn |
dtdersmtp.tnc.edu.vn |
imap.tnc.edu.vn |
ghbtiimap.tnc.edu.vn |
ladwgsmtp.tnc.edu.vn |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXtnc-edu-vn.mail.protection.outlook.com2026-05-15 → 2026-06-22 · 7 obs
● 2026-06-02 23:59:30
○ 2026-06-05 22:10:52
● 2026-06-06 17:15:14
○ 2026-06-14 05:47:22
● 2026-06-14 06:23:12
● 2026-06-22 21:29:40
●A103.153.254.1872026-05-15 → 2026-06-22 · 7 obs
● 2026-06-02 23:59:30
○ 2026-06-05 22:10:52
● 2026-06-06 17:15:14
○ 2026-06-14 05:47:22
● 2026-06-14 06:23:12
● 2026-06-22 21:29:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | 15 records |
| tnc.edu.vn | ns4.tenten.vn, ns5.tenten.vn, ns6.tenten.vn | - |
✅ Authoritative Response
Server:103.18.7.204
NS records: ns4.tenten.vn, ns5.tenten.vn, ns6.tenten.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tnc.edu.vn (unsigned zone)
⏱️ Timing
Total: 2213ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.153.254.187 |
| NS | 3 | ns5.tenten.vn, ns4.tenten.vn... |
| MX | 1 | tnc-edu-vn.mail.protection.outlook.com ( |
| TXT | 3 | MS=ms82113055, v=spf1 include:spf.protection.outlook.co... |
| SOA | 1 | ns4.tenten.vn hostmaster.tnc.edu.vn |
📌 Glue Records Collected
Total: 15
In-bailiwick: 15 (a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn...)
Analysis
Hierarchy
The host names demo.tnc.edu.vn, cpcalendars.tnc.edu.vn, vimwhfit.tnc.edu.vn, xfnyrmail.tnc.edu.vn and 3e04ce03-bb87-470e-bdf9-fc643b91d4ef.tnc.edu.vn — among a few others — fall under the parent domain tnc.edu.vn.
IP Addresses
tnc.edu.vn resolves to just one IP address, 103.153.254.187.
Two other host names, along with wbcvlmail.tnc.edu.vn, smtp.tnc.edu.vn and hostmaster.tnc.edu.vn, also share IP numbers with tnc.edu.vn.
Name Servers
DNS for tnc.edu.vn is handled by three authoritative name servers: ns4.tenten.vn, ns5.tenten.vn and ns6.tenten.vn.
At least some of tnc.edu.vn's name servers are shared with other domains, for example vinwine.vn, minex.vn, laboco.com.vn and two more.
It is common for these name servers to be used in conjunction with the name servers ns1.tenten.vn, ns2.tenten.vn and ns3.tenten.vn.
Three hostnames — ns4.tenten.vn, ns5.tenten.vn and ns6.tenten.vn — each have two IP addresses: ns4.tenten.vn has 103.18.7.204 and 2404:f080:1101:302:a163:44:193:20, ns5.tenten.vn has 103.18.7.205 and 2404:f080:1101:302:a163:44:193:21, and ns6.tenten.vn has 52.74.6.184 and 2404:f080:1101:302:a163:44:193:22.
Mail Servers
The sole mail server for tnc.edu.vn is tnc-edu-vn.mail.protection.outlook.com.
With 6 IP addresses total, tnc-edu-vn.mail.protection.outlook.com resolves to 52.101.124.117, 52.101.137.0, 52.101.157.80 and 3 others.