`sixdo.com.vn`

DNSSEC	⚠️ Not signed
A	123.31.12.233^{🇻🇳 VNPT-AS-VN123.31.12.0/24 VNPT}
		PTR	`static.vnpt.vn`
NS	`ns1.matbao.com` ⭐ ⚠️ Not in parent delegation
		A	13.250.228.99^{🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix}
			PTR	`ec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com`
		A	103.110.128.60^{🇻🇳 AXYS-VN103.110.128.0/23}
NS	`ns1.matbao.vn` ⚠️ Not in zone NS records
		A	13.250.228.99^{🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix}
			PTR	`ec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com`
		A	103.110.128.60^{🇻🇳 AXYS-VN103.110.128.0/23}
NS	`ns2.matbao.com` ⚠️ Not in parent delegation
		A	35.198.203.127^{🇸🇬 Google35.198.192.0/20}
			PTR	`127.203.198.35.bc.googleusercontent.com`
		A	103.138.89.11^{🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET}
NS	`ns2.matbao.vn` ⚠️ Not in zone NS records
		A	35.198.203.127^{🇸🇬 Google35.198.192.0/20}
			PTR	`127.203.198.35.bc.googleusercontent.com`
		A	103.138.89.11^{🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET}
SOA	`ns1.matbao.com`admin@matbao.com 2022-02-10 #6

`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=2022708549

Same first word

sixdo.vn

sixdo.com.vn

sixdo.com

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DNS History

5 records (5 active, 0 former)

●NSns1.matbao.com2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:57:18
● 2026-05-10 21:32:20

●NSns1.matbao.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:57:18
● 2026-05-10 21:32:20

●NSns2.matbao.com2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:57:18
● 2026-05-10 21:32:20

●NSns2.matbao.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:57:18
● 2026-05-10 21:32:20

●A123.31.12.2332026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:57:18
● 2026-05-10 21:32:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
sixdo.com.vn	ns2.matbao.vn, ns1.matbao.vn	-

✅ Authoritative Response

Server:103.110.128.60

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1921ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`123.31.12.233`
NS	2	`ns1.matbao.com, ns2.matbao.com`
SOA	1	`ns1.matbao.com admin.matbao.com`

Analysis

IP Addresses

sixdo.com.vn points to a single IP address: 123.31.12.233.

Other host names such as wbsubdomain.a.bb.ccc.dddd.lequydonhanoi.edu.vn, dddd.thcs.lequydonhanoi.edu.vn, services.lequydonhanoi.edu.vn, www-test.lequydonhanoi.edu.vn and intranet.lequydonhanoi.edu.vn share IP numbers with sixdo.com.vn.

Name Servers

sixdo.com.vn is delegated to four name servers: ns1.matbao.com, ns2.matbao.com, ns1.matbao.vn and ns2.matbao.vn.

At least part of the name servers for sixdo.com.vn are shared with other domains, for instance booyoung-vina.vn, tsingshan.us, tatechs.com.vn, nacubest.vn and thaohoiam.vn.