`truongthinhgroup.com`

DNSSEC	⚠️ Not signed
A	171.244.32.183^{🇻🇳 VTDC-AS-VN171.244.32.0/22 Proxy-registered route object}
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`
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`
MX	`mail.truongthinhgroup.com` ⭐
		A	171.244.32.183^{🇻🇳 VTDC-AS-VN171.244.32.0/22 Proxy-registered route object}
TXT	`v=spf1 a mx ~all`
SOA	`nsbak.dotvndns.com`hostmaster@truongthinhgroup.com 2025-03-31 #21

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778448821

Subdomains

mail.truongthinhgroup.com

Same first word

truongthinhgroup.vn

truongthinhgroup.com

Similar names

grouptruongthinh.com

DNS History

9 records (5 active, 4 former)

●NSns1.dotvndns.vn2016-06-30 → 2026-05-10 · 3 obs

○ 2015-10-20 01:34:08
● 2016-06-30 10:54:54
● 2026-05-10 22:00:58

○NSns1508.ztomy.com2015-08-17 → 2015-08-17 · 3 obs

● 2015-08-17 12:53:12
○ 2015-10-20 01:34:08
○ 2026-05-10 22:00:58

●NSns2.dotvndns.vn2016-06-30 → 2026-05-10 · 3 obs

○ 2015-10-20 01:34:08
● 2016-06-30 10:54:54
● 2026-05-10 22:00:58

○NSns2508.ztomy.com2015-08-17 → 2015-08-17 · 3 obs

● 2015-08-17 12:53:12
○ 2015-10-20 01:34:08
○ 2026-05-10 22:00:58

●NSnsbak.dotvndns.com2026-03-28 → 2026-05-10 · 3 obs

○ 2016-06-30 10:54:54
● 2026-03-28 08:47:32
● 2026-05-10 22:00:58

●MXmail.truongthinhgroup.com2016-06-30 → 2026-05-10 · 2 obs

● 2016-06-30 10:54:54
● 2026-05-10 22:00:58

○A125.212.245.1562016-06-30 → 2017-02-10 · 5 obs

○ 2015-10-20 01:34:08
● 2016-06-30 10:54:54
● 2017-02-10 13:05:40
○ 2026-03-28 08:47:32
○ 2026-05-10 22:00:58

●A171.244.32.1832026-03-28 → 2026-05-10 · 3 obs

○ 2017-02-10 13:05:40
● 2026-03-28 08:47:32
● 2026-05-10 22:00:58

○A208.91.197.2082015-08-17 → 2015-08-17 · 3 obs

● 2015-08-17 12:53:12
○ 2015-10-20 01:34:08
○ 2026-05-10 22:00:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net...	-
truongthinhgroup.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn	2 records

✅ Authoritative Response

Server:112.213.89.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for truongthinhgroup.com (unsigned zone)

⏱️ Timing

Total: 1580ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`171.244.32.183`
NS	3	`nsbak.dotvndns.com, ns1.dotvndns.vn...`
MX	1	`mail.truongthinhgroup.com (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`nsbak.dotvndns.com hostmaster.truongthin`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (nsbak.dotvndns.com, nsbak.dotvndns.com)

Analysis

Hierarchy

truongthinhgroup.com is parent of mail.truongthinhgroup.com.

IP Addresses

truongthinhgroup.com points to a single IP: 171.244.32.183.

Other host names, for instance mail.truongthinhgroup.com, share IP numbers with truongthinhgroup.com.

Name Servers

truongthinhgroup.com is delegated to three name servers: nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.

truongthinhgroup.com at least partially shares its name servers with other domains, for instance mammam.vn, xuongmaydongphuc.net, vnvc.com.vn, ungdungtructuyen.vn and hpttech.com.vn.

these name servers are commonly used with the name servers ns1.pavietnam.vn, ns2.pavietnam.vn, ns3.dotvndns.vn, nsbak.pavietnam.net, ns4.dotvndns.vn and ns1.nina.vn.

Host names with two IP numbers:

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

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

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

Mail Servers

truongthinhgroup.com is served by a single mail server, mail.truongthinhgroup.com.

mail.truongthinhgroup.com points to IP number 171.244.32.183.

truongthinhgroup.com - robtex.com