`gdtech.vn`

DNSSEC	⚠️ Not signed
A	199.36.158.100^{🇺🇸 Fastly199.36.158.0/24 Google}
NS	`ns1.zonedns.vn` ⭐
		A	2401:c080:1400:1cd4:5400:5ff:fe80:ec33^{🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix}
		A	64.176.84.220^{🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix}
			PTR	`ns1.zonedns.vn`
NS	`ns2.zonedns.vn`
		A	2401:c080:1400:1cd4:5400:5ff:fe80:ec33^{🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix}
		A	103.176.178.51^{🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN}
NS	`ns3.zonedns.vn`
		A	2001:df1:3200::15^{🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN}
		A	103.28.36.30^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
NS	`ns4.zonedns.vn`
		A	2001:df1:3200::15^{🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN}
		A	103.28.39.159^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
MX	`gdtech-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 -all`
TXT	`hosting-site=gd-tech-cfd75`
TXT	`MS=ms39365784`
SOA	`ns1.zonedns.vn`root@gdtech.vn 2026-01-16 #5

`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=2030754698

Same first word

gdtech.org

gdtech.ca

gdtech.com.br

gdtech.com.cn

gdtech.fr

gdtech.de

gdtech.net

gdtech.com

gdtech.gr

gdtech.vn

gdtech.co

gdtech.com.tw

gdtech.eu

gdtech.co.kr

Similar names

dgtech.com.cn

dgtech.it

thedcg.com

dgtech.us

dgtech.in

dgtech.app

thecdg.com

dgtech.cl

dgtech.mobi

thecgd.com

thedgc.co.uk

dgtech.gr

dgtech.net

dgtech.co.kr

dgtech.com.gt

dgtech.ch

thedcg.org

techdg.com

thegdc.org

dgtech.guru

dtechg.com

dgtech.com.au

thegdc.net

dgtech.co

dgtech.com

thedgc.org

dthecg.com

dgtech.org

techgd.com

dhgtec.com

thecdg.co.nz

dgtech.eu

dgtech.com.br

hgdtec.com

dgtech.com.vn

thecdg.co.uk

hgcdte.net

dgtech.com.my

DNS History

14 records (6 active, 8 former)

●NSns1.zonedns.vn2015-05-29 → 2026-05-10 · 2 obs

● 2015-05-29 07:55:52
● 2026-05-10 15:02:34

●NSns2.zonedns.vn2015-05-29 → 2026-05-10 · 2 obs

● 2015-05-29 07:55:52
● 2026-05-10 15:02:34

●NSns3.zonedns.vn2015-05-29 → 2026-05-10 · 2 obs

● 2015-05-29 07:55:52
● 2026-05-10 15:02:34

●NSns4.zonedns.vn2026-05-05 → 2026-05-10 · 3 obs

○ 2015-05-29 07:55:52
● 2026-05-05 02:26:04
● 2026-05-10 15:02:34

○MXalt1.aspmx.l.google.com2015-05-29 → 2017-07-27 · 4 obs

● 2015-05-29 07:55:52
● 2017-07-27 03:00:52
○ 2026-05-05 02:26:04
○ 2026-05-10 15:02:34

○MXalt2.aspmx.l.google.com2015-05-29 → 2017-07-27 · 4 obs

● 2015-05-29 07:55:52
● 2017-07-27 03:00:52
○ 2026-05-05 02:26:04
○ 2026-05-10 15:02:34

○MXaspmx.l.google.com2015-05-29 → 2017-07-27 · 4 obs

● 2015-05-29 07:55:52
● 2017-07-27 03:00:52
○ 2026-05-05 02:26:04
○ 2026-05-10 15:02:34

○MXaspmx2.googlemail.com2015-05-29 → 2017-07-27 · 4 obs

● 2015-05-29 07:55:52
● 2017-07-27 03:00:52
○ 2026-05-05 02:26:04
○ 2026-05-10 15:02:34

○MXaspmx3.googlemail.com2015-05-29 → 2017-07-27 · 4 obs

● 2015-05-29 07:55:52
● 2017-07-27 03:00:52
○ 2026-05-05 02:26:04
○ 2026-05-10 15:02:34

○MXaspmx4.googlemail.com2015-05-29 → 2017-07-27 · 4 obs

● 2015-05-29 07:55:52
● 2017-07-27 03:00:52
○ 2026-05-05 02:26:04
○ 2026-05-10 15:02:34

○MXaspmx5.googlemail.com2015-05-29 → 2017-07-27 · 4 obs

● 2015-05-29 07:55:52
● 2017-07-27 03:00:52
○ 2026-05-05 02:26:04
○ 2026-05-10 15:02:34

●MXgdtech-vn.mail.protection.outlook.com2026-05-05 → 2026-05-10 · 3 obs

○ 2017-07-27 03:00:52
● 2026-05-05 02:26:04
● 2026-05-10 15:02:34

○A103.28.36.2492015-05-29 → 2017-07-27 · 4 obs

● 2015-05-29 07:55:52
● 2017-07-27 03:00:52
○ 2026-05-05 02:26:04
○ 2026-05-10 15:02:34

●A199.36.158.1002026-05-05 → 2026-05-10 · 3 obs

○ 2017-07-27 03:00:52
● 2026-05-05 02:26:04
● 2026-05-10 15:02:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
gdtech.vn	ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn	-

✅ Authoritative Response

Server:64.176.84.220

NS records: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gdtech.vn (unsigned zone)

⏱️ Timing

Total: 3989ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`199.36.158.100`
NS	4	`ns2.zonedns.vn, ns3.zonedns.vn...`
MX	1	`gdtech-vn.mail.protection.outlook.com (p`
TXT	3	`hosting-site=gd-tech-cfd75, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns1.zonedns.vn root.gdtech.vn`

Analysis

IP Addresses

gdtech.vn points to a single IP address: 199.36.158.100.

Other host names such as meta-business-case-45e08.web.app, icati.ca, fb-decleration-noreply-9144f.web.app, meta-fb-ad-business-a01e5.web.app and photos.allsports.tw share IP numbers with gdtech.vn.

Name Servers

gdtech.vn is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.

At least part of the name servers for gdtech.vn are shared with other domains, for instance phuongdinh.name.vn, imperiaskyparkankhanh.vn, leilav.top, medgreen.com.vn and lts.vn.