`a-connection.com.vn`

DNSSEC	⚠️ Not signed
A	103.45.229.23^{🇻🇳 QTSP103.45.229.0/24 CMI (Customer Route)}
		PTR	`sd22923.server.idn.vn`
NS	`ns1.matbao.com` ⭐
		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`
		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}
MX	`mail.a-connection.com.vn` ⭐
		A	202.143.111.185^{🇻🇳 THEGIOISO-AS-VN202.143.111.0/24}
			PTR	`sv111d185.espacelight.com`
TXT	`v=spf1 ip4:202.143.111.185 include:_spf.google.com ~all`
SOA	`ns1.matbao.com`admin@matbao.com 2026-03-04 #1

`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=2022669526

Subdomains

mail.a-connection.com.vn

Same first word

a-connection.com.vn

DNS History

5 records (4 active, 1 former)

●NSns1.matbao.com2019-12-29 → 2026-04-14 · 4 obs

● 2019-12-29 15:18:08
○ 2026-03-03 11:03:38
● 2026-03-08 17:50:24
● 2026-04-14 03:30:40

●NSns2.matbao.com2019-12-29 → 2026-04-14 · 4 obs

● 2019-12-29 15:18:08
○ 2026-03-03 11:03:38
● 2026-03-08 17:50:24
● 2026-04-14 03:30:40

●MXmail.a-connection.com.vn2019-12-29 → 2026-04-14 · 4 obs

● 2019-12-29 15:18:08
○ 2026-03-03 11:03:38
● 2026-03-08 17:50:24
● 2026-04-14 03:30:40

●A103.45.229.232026-03-08 → 2026-04-14 · 3 obs

○ 2026-03-03 11:03:38
● 2026-03-08 17:50:24
● 2026-04-14 03:30:40

○A202.143.111.1802019-12-29 → 2019-12-29 · 3 obs

● 2019-12-29 15:18:08
○ 2026-03-03 11:03:38
○ 2026-04-14 03:30:40

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:103.110.128.60

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a-connection.com.vn (unsigned zone)

⏱️ Timing

Total: 1153ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.45.229.23`
NS	2	`ns1.matbao.com, ns2.matbao.com`
MX	1	`mail.a-connection.com.vn (pri: 10)`
TXT	1	`v=spf1 ip4:202.143.111.185 include:_spf.`
SOA	1	`ns1.matbao.com admin.matbao.com`

Analysis

Hierarchy

The parent of mail.a-connection.com.vn is a-connection.com.vn.

IP Addresses

a-connection.com.vn points to a single IP address: 103.45.229.23.

Other host names such as mail.imsvietnamese.com, mail.thietkewebsite.info.vn, khanlanhcaocap.com.vn, sd22923.server.idn.vn and www.khanlanhcaocap.com.vn share IPs with a-connection.com.vn.

Name Servers

Two name servers ns1.matbao.com and ns2.matbao.com handle the delegation for a-connection.com.vn.

a-connection.com.vn shares the same name server setup as other domains, for example hemanstore.com, dautuquocte.org, tops-market.com, ocogu.com and caofarm.com.

a-connection.com.vn at least partially shares name servers with other domains, for example vinacen.com, casara.vn, tvsach.com, cgvdt.vn and pitti.com.vn.

Name servers ns1.matbao.vn, ns2.matbao.vn, ns-bak.matbao.com, ns3.matbao.vn, ns4.matbao.vn, ns3.matbao.com and ns4.matbao.com are commonly used together.

Host names with two IP numbers:

ns1.matbao.com points to 13.250.228.99 and 103.110.128.60.

ns2.matbao.com points to 35.198.203.127 and 103.138.89.11.

Mail Servers

The mail.a-connection.com.vn mail server handles a-connection.com.vn.

mail.a-connection.com.vn points to a single IP number: 202.143.111.185.

a-connection.com.vn - robtex.com