sdtsolution.vn - dns.ninja

`sdtsolution.vn`

DNSSEC	⚠️ Not signed
A	117.2.140.195^{🇻🇳 VIETEL-AS-AP117.2.140.0/23 Proxy-registered route object}
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` ⚠️ Not in zone NS records
		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}
TXT	`google-site-verification=ZBfLyLf1Kj69KDsnlAo8kHWpES41CStNBadpTOFZBZI`
SOA	`ns-master.inet.vn`postmaster@inet.vn 2015-07-28 #0

`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=2031089290

Same first word

sdtsolution.vn

Similar names

DNS History

5 records (5 active, 0 former)

●NSns-master.inet.vn2026-05-01 → 2026-08-09 · 2 obs

● 2026-05-01 14:25:42
● 2026-08-09 07:52:26

●NSns1.inet.vn2026-05-01 → 2026-08-09 · 2 obs

● 2026-05-01 14:25:42
● 2026-08-09 07:52:26

●NSns2.inet.vn2026-05-01 → 2026-08-09 · 2 obs

● 2026-05-01 14:25:42
● 2026-08-09 07:52:26

●NSns3.inet.vn2026-05-01 → 2026-08-09 · 2 obs

● 2026-05-01 14:25:42
● 2026-08-09 07:52:26

●A117.2.140.1952026-05-01 → 2026-08-09 · 2 obs

● 2026-05-01 14:25:42
● 2026-08-09 07:52:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...	16 records
sdtsolution.vn	ns1.inet.vn, ns2.inet.vn, ns3.inet.vn	3 records

✅ Authoritative Response

Server:202.92.4.253

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdtsolution.vn (unsigned zone)

⏱️ Timing

Total: 4327ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`117.2.140.195`
NS	2	`ns1.inet.vn, ns2.inet.vn`
TXT	1	`google-site-verification=ZBfLyLf1Kj69KDs`
SOA	1	`ns-master.inet.vn postmaster.inet.vn`

📌 Glue Records Collected

Total: 19

In-bailiwick: 16 (c.dns-servers.vn, c.dns-servers.vn, a.dns-servers.vn...)

Out-of-bailiwick: 3 (ns3.inet.vn, ns2.inet.vn, ns1.inet.vn)

Analysis

IP Addresses

sdtsolution.vn resolves to one IP address: 117.2.140.195.

Further host names like gitlab.sdt.ai.vn and sdt.ai.vn overlap in IP numbers with sdtsolution.vn.

Name Servers

The authoritative name servers for sdtsolution.vn are ns-master.inet.vn, ns1.inet.vn, ns2.inet.vn and ns3.inet.vn.

There is at least partial name server overlap between sdtsolution.vn and other domains — hangnhatbai.vn, giasuvietnam.com.vn, tongkhogiaydeptreem.com and two more among them.

Hostnames that resolve to two IP addresses:

ns1.inet.vn resolves to two addresses: 202.92.4.25 and 2001:df7:ce00:1::7.

ns2.inet.vn resolves to two addresses: 210.211.99.38 and 2401:5f80:2001:4::30.

ns3.inet.vn resolves to two addresses: 203.113.174.42 and 2401:5f80:4001:4::14.

Hosts with just one IP address:

The hostname ns-master.inet.vn resolves to 202.92.4.8.