thinkcode.edu.vn - dns.ninja

`thinkcode.edu.vn`

DNSSEC	⚠️ Not signed
A	103.18.7.214^{🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN}
		PTR	`shost003.tenten.vn`
NS	`ns-b3.tenten.vn` ⭐
		A	2404:f080:1101:321:a150:95:110:1232^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`va150-95-110-123-2.a00e.g.han1.static.cnode.io`
		A	163.44.207.21^{🇻🇳 GMO-ZCOM-AS-VN163.44.206.0/23 RUNSYSTEM-VN}
			PTR	`v163-44-207-21.a006.g.han1.static.cnode.io`
NS	`ns-b1.tenten.vn`
		A	2404:f080:1101:321:a150:95:110:1230^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`va150-95-110-123-0.a00e.g.han1.static.cnode.io`
		A	137.59.104.67^{🇻🇳 GMO-ZCOM-AS-VN137.59.104.0/22 RUNSYSTEM-VN}
			PTR	`static-pool.tenten.vn`
NS	`ns-b2.tenten.vn`
		A	2404:f080:1101:321:a150:95:110:1231^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`va150-95-110-123-1.a00e.g.han1.static.cnode.io`
		A	137.59.104.68^{🇻🇳 GMO-ZCOM-AS-VN137.59.104.0/22 RUNSYSTEM-VN}
			PTR	`static-pool.tenten.vn`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	2607:f8b0:4004:c1d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f27.1e100.net`
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
TXT	`v=spf1 mx a ip4:103.18.7.214 ~all`
TXT	`google-site-verification=IsaND8vQt480kfNE-MlNaTPOgDu1e3WxJPsHiUrIWsY`
SOA	`ns-b3.tenten.vn`noreply@tenten.vn serial=1742168037

`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.vn`postmaster@vnnic.vn serial=2018572539

Subdomains

cpcontacts.thinkcode.edu.vn

www.thinkcode.edu.vn

webdisk.thinkcode.edu.vn

cpcalendars.thinkcode.edu.vn

cpanel.thinkcode.edu.vn

webmail.thinkcode.edu.vn

autodiscover.thinkcode.edu.vn

Same first word

thinkcode.co.za

thinkcode.net

thinkcode.eu

thinkcode.co.uk

thinkcode.in

thinkcode.co

thinkcode.co.kr

thinkcode.com

thinkcode.co.in

thinkcode.se

thinkcode.edu.vn

thinkcode.ca

thinkcode.xyz

thinkcode.org

thinkcode.pl

thinkcode.info

thinkcode.biz

thinkcode.nyc

Similar names

DNS History

5 records (5 active, 0 former)

●NSns-b1.tenten.vn2026-05-01 → 2026-06-10 · 2 obs

● 2026-05-01 00:55:32
● 2026-06-10 18:20:06

●NSns-b2.tenten.vn2026-05-01 → 2026-06-10 · 2 obs

● 2026-05-01 00:55:32
● 2026-06-10 18:20:06

●NSns-b3.tenten.vn2026-05-01 → 2026-06-10 · 2 obs

● 2026-05-01 00:55:32
● 2026-06-10 18:20:06

●MXsmtp.google.com2026-05-01 → 2026-06-10 · 2 obs

● 2026-05-01 00:55:32
● 2026-06-10 18:20:06

●A103.18.7.2142026-05-01 → 2026-06-10 · 2 obs

● 2026-05-01 00:55:32
● 2026-06-10 18:20:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	e.dns-servers.vn, a.dns-servers.vn, c.dns-servers.vn, g.dns-servers.vn...	-
thinkcode.edu.vn	ns-b2.tenten.vn, ns-b3.tenten.vn, ns-b1.tenten.vn	-

✅ Authoritative Response

Server:137.59.104.67

NS records: ns-b2.tenten.vn, ns-b3.tenten.vn, ns-b1.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thinkcode.edu.vn (unsigned zone)

⏱️ Timing

Total: 3015ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.18.7.214`
NS	3	`ns-b2.tenten.vn, ns-b3.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 domain 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 just one IP address, 103.18.7.214.

Two other host names, along with vn.wonderlandvietnam.com.vn, autodiscover.hanoipiano.vn and webmail.24hshop.com.vn, also share IP numbers with thinkcode.edu.vn.

Name Servers

thinkcode.edu.vn is served by three name servers: ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn.

thinkcode.edu.vn shares at least some of its name servers with other domains, including donghoagroup.vn, kewpiedigital.com.vn, atosa.vn and two others.

These name servers are frequently paired with the name servers ns-a1.tenten.vn, ns-a2.tenten.vn and ns-a3.tenten.vn.

The hostnames ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn each direct to two IP addresses — ns-b1.tenten.vn to 137.59.104.67 and 2404:f080:1101:321:a150:95:110:1230, ns-b2.tenten.vn to 137.59.104.68 and 2404:f080:1101:321:a150:95:110:1231, and ns-b3.tenten.vn to 163.44.207.21 and 2404:f080:1101:321:a150:95:110:1232.

Mail Servers

The sole mail server for thinkcode.edu.vn is smtp.google.com.

Among the domains sharing a mail server setup with thinkcode.edu.vn are developbright.com, austinhomerenovations.com, greymatterzedge.com and two others.

There is at least a partial MX overlap between thinkcode.edu.vn and other domains, including videostep.jp, borfra.com, sokutei.net and two others.

With 9 IP addresses total, smtp.google.com resolves to 142.251.163.26, 142.251.167.26, 142.251.167.27 and 6 others.