`techvina.vn`

DNSSEC	⚠️ Not signed
A	118.27.100.87^{🇯🇵 GMO-INTERNET118.27.100.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`www163.conoha.ne.jp`
NS	`ns1.dotvndns.vn` ⭐
		A	2406:9c80::66^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns1.dotvndns.vn`
		A	112.213.89.3^{🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`ns1.dotvndns.vn`
NS	`ns2.dotvndns.vn`
		A	2406:9c80::9000:111^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns2.dotvndns.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
NS	`nsbak.dotvndns.com`
		A	2406:9c80::9000:302^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`nsbak.dotvndns.com`
		A	112.213.89.22^{🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`ns8922.dotvndns.vn`
MX	`techvina-vn.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf_div.bownow.jp ~all`
SOA	`ns1.dotvndns.vn`hostmaster@techvina.vn 2026-03-04 #25

`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.vn`postmaster@vnnic.vn serial=2030590883

Subdomains

www.techvina.vn

Same first word

techvina.vn

techvina.com.vn

Similar names

DNS History

10 records (5 active, 5 former)

○NSdns17.fpt.vn2015-05-26 → 2017-04-21 · 4 obs

● 2015-05-26 22:02:36
● 2017-04-21 08:14:20
○ 2026-03-08 16:11:28
○ 2026-03-27 15:20:46

○NSdns18.fpt.vn2015-05-26 → 2017-04-21 · 4 obs

● 2015-05-26 22:02:36
● 2017-04-21 08:14:20
○ 2026-03-08 16:11:28
○ 2026-03-27 15:20:46

●NSns1.dotvndns.vn2026-03-08 → 2026-03-27 · 3 obs

○ 2017-04-21 08:14:20
● 2026-03-08 16:11:28
● 2026-03-27 15:20:46

●NSns2.dotvndns.vn2026-03-08 → 2026-03-27 · 3 obs

○ 2017-04-21 08:14:20
● 2026-03-08 16:11:28
● 2026-03-27 15:20:46

●NSnsbak.dotvndns.com2026-03-08 → 2026-03-27 · 3 obs

○ 2017-04-21 08:14:20
● 2026-03-08 16:11:28
● 2026-03-27 15:20:46

○MXmail.techvina.vn2015-05-26 → 2017-04-21 · 4 obs

● 2015-05-26 22:02:36
● 2017-04-21 08:14:20
○ 2026-03-08 16:11:28
○ 2026-03-27 15:20:46

●MXtechvina-vn.mail.protection.outlook.com2026-03-08 → 2026-03-27 · 3 obs

○ 2017-04-21 08:14:20
● 2026-03-08 16:11:28
● 2026-03-27 15:20:46

○A103.1.208.2162017-04-21 → 2017-04-21 · 4 obs

○ 2016-09-25 23:27:16
● 2017-04-21 08:14:20
○ 2026-03-08 16:11:28
○ 2026-03-27 15:20:46

●A118.27.100.872026-03-08 → 2026-03-27 · 3 obs

○ 2017-04-21 08:14:20
● 2026-03-08 16:11:28
● 2026-03-27 15:20:46

○A123.30.186.2322015-05-26 → 2016-09-25 · 4 obs

● 2015-05-26 22:02:36
● 2016-09-25 23:27:16
○ 2017-04-21 08:14:20
○ 2026-03-27 15:20:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...	-
techvina.vn	ns2.dotvndns.vn, nsbak.dotvndns.com, ns1.dotvndns.vn	4 records

✅ Authoritative Response

Server:112.213.89.3

NS records: ns2.dotvndns.vn, nsbak.dotvndns.com, ns1.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techvina.vn (unsigned zone)

⏱️ Timing

Total: 2366ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`118.27.100.87`
NS	3	`nsbak.dotvndns.com, ns1.dotvndns.vn...`
MX	1	`techvina-vn.mail.protection.outlook.com`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.dotvndns.vn hostmaster.techvina.vn`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.dotvndns.vn...)

Analysis

Hierarchy

techvina.vn is the parent of www.techvina.vn.

IP Addresses

techvina.vn resolves to a single IP: 118.27.100.87.

Other host names, for instance egoscuejapan.com, mathscience-teach.com, konpeitok.com, jururu.net and aka-aca.com share IP numbers with techvina.vn.

Name Servers

techvina.vn delegates to three name servers: nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.

techvina.vn shares some name servers with other domains, for example thanhlapthaydoigiayphep.com, account-apple-icloud.com, nganhuy.com, nhantridung.edu.vn and anlocapartment.com.

These name servers are commonly used with ns1.pavietnam.vn, ns3.dotvndns.vn, ns2.pavietnam.vn, nsbak.pavietnam.net and nsbak.dotvndns.vn.

Host names with two IP numbers:

nsbak.dotvndns.com: 2406:9c80::9000:302 and 112.213.89.22

ns1.dotvndns.vn: 2406:9c80::66 and 112.213.89.3

ns2.dotvndns.vn: 2406:9c80::9000:111 and 222.255.121.247

Mail Servers

techvina.vn is handled by a single mail server, techvina-vn.mail.protection.outlook.com.

techvina-vn.mail.protection.outlook.com points to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.

techvina.vn - robtex.com

techvina.vn

vn

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`techvina.vn`

`vn`