`chao.techsolutions.vn`

	DNSSEC	⚠️ Not signed
	A	42.1.94.135^{🇻🇳 MOBIFONE-AS-VN42.1.94.0/24 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}

`techsolutions.vn`

	DNSSEC	⚠️ Not signed
	A	112.78.2.15^{🇻🇳 ODS-AS-VN112.78.2.0/24 ODSJSC-VN}
	NS	`ns1.matbao.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.matbao.vn` ⚠️ Not in zone NS records
	NS	`ns2.matbao.com` ⚠️ Not in parent delegation
	NS	`ns2.matbao.vn` ⚠️ Not in zone NS records
	MX	`techsolutions-vn.mail.protection.outlook.com` ⭐
	TXT	`v=spf1 include:spf.protection.outlook.com -all`
	SOA	`ns1.matbao.com`admin@matbao.com 2026-05-05 #4

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DNS History

1 record (1 active, 0 former)

●A42.1.94.1352026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 18:38:36
● 2026-05-09 20:39:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
techsolutions.vn	ns2.matbao.vn, ns1.matbao.vn	2 records

✅ Authoritative Response

Server:103.138.89.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techsolutions.vn (unsigned zone)

⏱️ Timing

Total: 3969ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`42.1.94.135`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.matbao.vn, ns1.matbao.vn)

Analysis

IP Addresses

chao.techsolutions.vn points to a single IP address: 42.1.94.135.

Other host names such as pm.techsolutions.vn, live.twi.vn, inetzero.vn, cs.techsolutions.vn and poc.twi.vn share IPs with chao.techsolutions.vn.

chao.techsolutions.vn - robtex.com