`cuongthinh.com.vn`

DNSSEC	⚠️ Not signed
A	202.92.4.5^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
NS	`ns-master.inet.vn` ⭐
		A	202.92.4.8^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
NS	`ns1.inet.vn`
		A	2001:df7:ce00:1::7^{🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited}
		A	202.92.4.25^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
NS	`ns2.inet.vn`
		A	2401:5f80:2001:4::30^{🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN}
		A	210.211.99.38^{🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object}
SOA	`ns-master.inet.vn`postmaster@inet.vn 2015-07-28 #0

`com.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=2022670516

Same first word

cuongthinh.net

cuongthinh.com.vn

DNS History

11 records (4 active, 7 former)

○NSns-hold.vnnic.vn2026-03-07 → 2026-03-07 · 4 obs

○ 2018-05-27 04:01:30
● 2026-03-07 07:47:04
○ 2026-03-24 01:34:46
○ 2026-04-14 11:13:36

●NSns-master.inet.vn2026-03-24 → 2026-04-14 · 3 obs

○ 2026-03-07 07:47:04
● 2026-03-24 01:34:46
● 2026-04-14 11:13:36

●NSns1.inet.vn2026-03-24 → 2026-04-14 · 3 obs

○ 2026-03-07 07:47:04
● 2026-03-24 01:34:46
● 2026-04-14 11:13:36

●NSns2.inet.vn2026-03-24 → 2026-04-14 · 3 obs

○ 2026-03-07 07:47:04
● 2026-03-24 01:34:46
● 2026-04-14 11:13:36

○NSns3.vi-care.com2015-06-04 → 2018-05-27 · 4 obs

● 2015-06-04 23:04:36
● 2018-05-27 04:01:30
○ 2026-03-07 07:47:04
○ 2026-04-14 11:13:36

○NSns4.vi-care.com2015-06-04 → 2018-05-27 · 4 obs

● 2015-06-04 23:04:36
● 2018-05-27 04:01:30
○ 2026-03-07 07:47:04
○ 2026-04-14 11:13:36

○MXmail.cuongthinh.com.vn2015-06-04 → 2018-05-27 · 4 obs

● 2015-06-04 23:04:36
● 2018-05-27 04:01:30
○ 2026-03-07 07:47:04
○ 2026-04-14 11:13:36

○A112.213.84.1792015-06-04 → 2017-01-28 · 4 obs

● 2015-06-04 23:04:36
● 2017-01-28 17:02:34
○ 2018-05-27 04:01:30
○ 2026-04-14 11:13:36

○A117.122.125.1072026-03-07 → 2026-03-07 · 4 obs

○ 2018-05-27 04:01:30
● 2026-03-07 07:47:04
○ 2026-03-24 01:34:46
○ 2026-04-14 11:13:36

●A202.92.4.52026-03-24 → 2026-04-14 · 3 obs

○ 2026-03-07 07:47:04
● 2026-03-24 01:34:46
● 2026-04-14 11:13:36

○A203.162.69.552018-05-27 → 2018-05-27 · 4 obs

○ 2017-01-28 17:02:34
● 2018-05-27 04:01:30
○ 2026-03-07 07:47:04
○ 2026-04-14 11:13:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...	-
cuongthinh.com.vn	ns1.inet.vn, ns2.inet.vn	-

✅ Authoritative Response

Server:202.92.4.25

NS records: ns1.inet.vn, ns2.inet.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cuongthinh.com.vn (unsigned zone)

⏱️ Timing

Total: 1592ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.92.4.5`
NS	2	`ns2.inet.vn, ns1.inet.vn`
SOA	1	`ns-master.inet.vn postmaster.inet.vn`

Analysis

IP Addresses

cuongthinh.com.vn resolves to one IP number: 202.92.4.5.

other host names including sanvuon.vn, dennhay.com, iconcept.vn, www.kientrucphongthuy.vn and ctv.vn share IP numbers with cuongthinh.com.vn.

Name Servers

cuongthinh.com.vn is delegated to three name servers ns-master.inet.vn, ns1.inet.vn and ns2.inet.vn.

cuongthinh.com.vn at least partially shares name servers with other domains, for instance panasonicvietnam.com.vn, edenlandscape.vn, onlinemarketing.vn, thaiduongcme.com and javi.com.vn.

These name servers are commonly used with ns3.inet.vn, ns1.it.vn and ns2.it.vn.

Hosts with two IP numbers:

ns1.inet.vn points to: 2001:df7:ce00:1::7 and 202.92.4.25.

ns2.inet.vn points to: 2401:5f80:2001:4::30 and 210.211.99.38.

Hosts with one IP number:

ns-master.inet.vn points to: 202.92.4.8.

cuongthinh.com.vn - robtex.com