thinkcode.edu.vn - robtex.com
thinkcode.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.thinkcode.edu.vn |
www.thinkcode.edu.vn |
webdisk.thinkcode.edu.vn |
cpcalendars.thinkcode.edu.vn |
cpanel.thinkcode.edu.vn |
mail.thinkcode.edu.vn |
webmail.thinkcode.edu.vn |
autodiscover.thinkcode.edu.vn |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXsmtp.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 18:08:32
●A103.18.7.2142026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 18:08:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| thinkcode.edu.vn | ns-b1.tenten.vn, ns-b3.tenten.vn, ns-b2.tenten.vn | - |
✅ Authoritative Response
Server:137.59.104.68
NS records: ns-b1.tenten.vn, ns-b3.tenten.vn, ns-b2.tenten.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for thinkcode.edu.vn (unsigned zone)
⏱️ Timing
Total: 4140ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.18.7.214 |
| NS | 3 | ns-b3.tenten.vn, ns-b1.tenten.vn... |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 2 | v=spf1 mx a ip4:103.18.7.214 ~all, google-site-verification=IsaND8vQt480kfN |
| SOA | 1 | ns-b3.tenten.vn noreply.tenten.vn |
Analysis
Hierarchy
thinkcode.edu.vn is the parent of cpcontacts.thinkcode.edu.vn, www.thinkcode.edu.vn, webdisk.thinkcode.edu.vn, cpcalendars.thinkcode.edu.vn, cpanel.thinkcode.edu.vn and a few other host names.
IP Addresses
thinkcode.edu.vn resolves to one IP number: 103.18.7.214.
other host names including autodiscover.hanoipiano.vn, webmail.24hshop.com.vn, cpcalendars.thinkcode.edu.vn, mail.mayongthep.com and mail.wonderlandvietnam.com.vn share IP numbers with thinkcode.edu.vn.
Name Servers
thinkcode.edu.vn is delegated to three name servers ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn.
thinkcode.edu.vn at least partially shares name servers with other domains, for instance donghoagroup.vn, kewpiedigital.com.vn, atosa.vn, timnhavinsmart.vn and giacongbinhxit.com.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
thinkcode.edu.vn is handled by a single mail server, smtp.google.com.
thinkcode.edu.vn shares the same mail server setup as other domains, for instance developbright.com, austinhomerenovations.com, greymatterzedge.com, flynn-advisors.com and lavenderlabs.co.in.
thinkcode.edu.vn shares at least partially some mail servers with other domains, including videostep.jp, borfra.com and kamai.com.tr.
smtp.google.com points to nine IPs: 2607:f8b0:4004:c07::1b, 2607:f8b0:4004:c1f::1a, 2607:f8b0:4004:c21::1a, 2607:f8b0:4004:c21::1b, 64.233.180.26, 64.233.180.27, 142.251.179.26, 172.253.62.26 and 172.253.62.27.