`thacothuduc.com.vn`

DNSSEC	⚠️ Not signed
A	202.92.5.23^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
		PTR	`onehost-webhn072403.000nethost.com`
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}
NS	`ns3.inet.vn`
		A	2401:5f80:4001:4::14^{🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN}
		A	203.113.174.42^{🇻🇳 VTDC-AS-VN203.113.174.0/23 VIETTEL-VN}
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=2022706605

Subdomains

www.thacothuduc.com.vn

Same first word

thacothuduc.com.vn

DNS History

9 records (5 active, 4 former)

●NSns-master.inet.vn2026-04-21 → 2026-05-09 · 3 obs

○ 2020-01-31 05:53:22
● 2026-04-21 16:46:18
● 2026-05-09 13:32:46

○NSns1.honrang.com2020-01-31 → 2020-01-31 · 3 obs

● 2020-01-31 05:53:22
○ 2026-04-21 16:46:18
○ 2026-05-09 13:32:46

●NSns1.inet.vn2026-04-21 → 2026-05-09 · 3 obs

○ 2020-01-31 05:53:22
● 2026-04-21 16:46:18
● 2026-05-09 13:32:46

○NSns2.honrang.com2020-01-31 → 2020-01-31 · 3 obs

● 2020-01-31 05:53:22
○ 2026-04-21 16:46:18
○ 2026-05-09 13:32:46

●NSns2.inet.vn2026-04-21 → 2026-05-09 · 3 obs

○ 2020-01-31 05:53:22
● 2026-04-21 16:46:18
● 2026-05-09 13:32:46

●NSns3.inet.vn2026-04-21 → 2026-05-09 · 3 obs

○ 2020-01-31 05:53:22
● 2026-04-21 16:46:18
● 2026-05-09 13:32:46

○MXmail.thacothuduc.com.vn2020-01-31 → 2020-01-31 · 3 obs

● 2020-01-31 05:53:22
○ 2026-04-21 16:46:18
○ 2026-05-09 13:32:46

○A118.69.197.1612020-01-31 → 2020-01-31 · 3 obs

● 2020-01-31 05:53:22
○ 2026-04-21 16:46:18
○ 2026-05-09 13:32:46

●A202.92.5.232026-04-21 → 2026-05-09 · 3 obs

○ 2020-01-31 05:53:22
● 2026-04-21 16:46:18
● 2026-05-09 13:32:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	f.dns-servers.vn, d.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn...	-
thacothuduc.com.vn	ns1.inet.vn, ns3.inet.vn, ns2.inet.vn	-

✅ Authoritative Response

Server:210.211.99.38

NS records: ns1.inet.vn, ns3.inet.vn, ns2.inet.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1915ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.92.5.23`
NS	3	`ns1.inet.vn, ns2.inet.vn...`
SOA	1	`ns-master.inet.vn postmaster.inet.vn`

Analysis

Hierarchy

thacothuduc.com.vn is a parent of www.thacothuduc.com.vn.

IP Addresses

thacothuduc.com.vn points to a single IP address: 202.92.5.23.

Other host names such as ptd.com.vn, otosafe.vn, webai.tramhuongtaman.vn, tintuchalong.com and duandragoncity.com.vn share IP numbers with thacothuduc.com.vn.

Name Servers

thacothuduc.com.vn is delegated to four name servers: ns-master.inet.vn, ns1.inet.vn, ns2.inet.vn and ns3.inet.vn.

At least part of the name servers for thacothuduc.com.vn are shared with other domains, for instance foodfarm.com.vn, designtech.edu.vn, daulounge.com.vn, doanmanhtan.com and sales.vn.

Two IP numbers per host:

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.

ns3.inet.vn points to 2401:5f80:4001:4::14 and 203.113.174.42.

One IP number per host:

ns-master.inet.vn points to 202.92.4.8.

thacothuduc.com.vn - robtex.com