`mail.workoffice.com.vn`

CNAME	`workoffice.com.vn`
DNSSEC	⚠️ Not signed
A	202.92.4.98^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
NS	`ns1.matbao.vn` ⭐
		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.vn`
		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.workoffice.com.vn` ⭐
TXT	`v=spf1 mx include:103.75.184.25 -all`
SOA	`ns1.matbao.vn`admin@matbao.com 2026-04-10 #2

`workoffice.com.vn`

	DNSSEC	⚠️ Not signed
	A	202.92.4.98^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
	NS	`ns1.matbao.vn` ⭐
	NS	`ns2.matbao.vn`
	MX	`mail.workoffice.com.vn` ⭐
	TXT	`v=spf1 mx include:103.75.184.25 -all`
	SOA	`ns1.matbao.vn`admin@matbao.com 2026-04-10 #2

MX for

workoffice.com.vn

Same first word

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mail.com.vn

mail.how

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DNS History

1 record (1 active, 0 former)

●CNAMEworkoffice.com.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 15:29:00
● 2026-05-09 16:04:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...	-
workoffice.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 workoffice.com.vn (unsigned zone)

⏱️ Timing

Total: 4307ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`workoffice.com.vn`

Analysis

Mail Server Role

The mail server for workoffice.com.vn is mail.workoffice.com.vn.

IP Addresses

mail.workoffice.com.vn points to a single IP number: 202.92.4.98.

Other host names, for instance finlo.net, dolphinacademy.edu.vn, vattuinluoi.com.vn, laichautrienlam.vn and truyennhanang.vn share IP numbers with mail.workoffice.com.vn.

Name Servers

Delegation for mail.workoffice.com.vn rests with two name servers, ns1.matbao.vn and ns2.matbao.vn.

mail.workoffice.com.vn shares the same name server setup as other domains, including sakumi.edu.vn, 5ssaigon.com.vn, jialift.vn, khueviet.vn and anthanhgroup.vn.

mail.workoffice.com.vn at least partially shares name servers with other domains, for instance moitruongvaxahoi.vn, focustech.com.vn, phapluatvatacquyen.com.vn, gymmall.vn and onlinemall.vn.

these name servers are commonly used with ns1.matbao.com, ns2.matbao.com and ns-bak.matbao.com.

Host names with two IP numbers: ns1.matbao.vn points to 13.250.228.99 and 103.110.128.60; ns2.matbao.vn points to 35.198.203.127 and 103.138.89.11.

Mail Servers

A single mail server handles mail.workoffice.com.vn.

mail.workoffice.com.vn uses the same mail server setup as other domains, such as workoffice.com.vn.

mail.workoffice.com.vn - robtex.com