`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

`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=2022703614

Subdomains

cpanel.workoffice.com.vn

webmail.workoffice.com.vn

joy.workoffice.com.vn

autodiscover.workoffice.com.vn

webdisk.workoffice.com.vn

cpcontacts.workoffice.com.vn

mail.workoffice.com.vn

www.workoffice.com.vn

Same first word

workoffice.fr

workoffice.pl

workoffice.com.uy

workoffice.nl

workoffice.com

workoffice.net

workoffice.ru

workoffice.de

workoffice.xyz

workoffice.com.vn

workoffice.com.br

Similar names

DNS History

4 records (4 active, 0 former)

●NSns1.matbao.vn2026-05-01 → 2026-05-07 · 2 obs

● 2026-05-01 15:27:24
● 2026-05-07 10:14:38

●NSns2.matbao.vn2026-05-01 → 2026-05-07 · 2 obs

● 2026-05-01 15:27:24
● 2026-05-07 10:14:38

●MXmail.workoffice.com.vn2026-05-01 → 2026-05-07 · 2 obs

● 2026-05-01 15:27:24
● 2026-05-07 10:14:38

●A202.92.4.982026-05-01 → 2026-05-07 · 2 obs

● 2026-05-01 15:27:24
● 2026-05-07 10:14:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	16 records
workoffice.com.vn	ns1.matbao.vn, ns2.matbao.vn	-

✅ Authoritative Response

Server:35.198.203.127

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2145ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.92.4.98`
NS	2	`ns2.matbao.vn, ns1.matbao.vn`
MX	1	`mail.workoffice.com.vn (pri: 10)`
TXT	1	`v=spf1 mx include:103.75.184.25 -all`
SOA	1	`ns1.matbao.vn admin.matbao.com`

📌 Glue Records Collected

Total: 16

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

Analysis

Hierarchy

workoffice.com.vn is a parent of cpanel.workoffice.com.vn, webmail.workoffice.com.vn, joy.workoffice.com.vn, autodiscover.workoffice.com.vn, webdisk.workoffice.com.vn and a few other host names.

IP Addresses

workoffice.com.vn points to a single IP address: 202.92.4.98.

Other host names such as amtechvn.com, docaukhanhhuy.com, phathai.phongkhamkhangthinh.vn, www.ttltax.com and mail.xaydunghungyen.vn share IPs with workoffice.com.vn.

Name Servers

Two name servers ns1.matbao.vn and ns2.matbao.vn handle the delegation for workoffice.com.vn.

workoffice.com.vn shares the same name server setup as other domains, for example suasieutoc.vn, skg.com.vn, sibafood.vn, asi.vn and micaymama.vn.

workoffice.com.vn at least partially shares name servers with other domains, for example tienganhtflat.com, domidoor.com, thutinhtrongongnghiem.vn, babi.vn and tamsoa.com.

These name servers are commonly used with ns1.matbao.com and 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

The mail.workoffice.com.vn mail server handles workoffice.com.vn.

workoffice.com.vn - robtex.com