`quocbuugroup.com`

DNSSEC	⚠️ Not signed
A	45.122.221.108^{🇻🇳 VHOST-AS-VN45.122.221.0/24 VHOST-VN}
		PTR	`mail.congpro.biz`
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 2023-04-15 #5

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778356751

Subdomains

www.quocbuugroup.com

Same first word

quocbuugroup.com

DNS History

6 records (5 active, 1 former)

●NSns1.matbao.com2018-05-14 → 2026-05-09 · 2 obs

● 2018-05-14 17:14:12
● 2026-05-09 20:10:42

●NSns1.matbao.vn2026-05-01 → 2026-05-09 · 3 obs

○ 2018-05-14 17:14:12
● 2026-05-01 09:27:10
● 2026-05-09 20:10:42

●NSns2.matbao.com2018-05-14 → 2026-05-09 · 2 obs

● 2018-05-14 17:14:12
● 2026-05-09 20:10:42

●NSns2.matbao.vn2026-05-01 → 2026-05-09 · 3 obs

○ 2018-05-14 17:14:12
● 2026-05-01 09:27:10
● 2026-05-09 20:10:42

○A112.78.2.472018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 17:14:12
○ 2026-05-01 09:27:10
○ 2026-05-09 20:10:42

●A45.122.221.1082026-05-01 → 2026-05-09 · 3 obs

○ 2018-05-14 17:14:12
● 2026-05-01 09:27:10
● 2026-05-09 20:10:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net...	-
quocbuugroup.com	ns1.matbao.vn, ns2.matbao.vn	-

✅ Authoritative Response

Server:103.138.89.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for quocbuugroup.com (unsigned zone)

⏱️ Timing

Total: 1853ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.122.221.108`
NS	2	`ns1.matbao.com, ns2.matbao.com`
SOA	1	`ns1.matbao.com admin.matbao.com`

Analysis

Hierarchy

quocbuugroup.com is the parent of www.quocbuugroup.com.

IP Addresses

quocbuugroup.com points to IP number 45.122.221.108.

Other host names, for example wp6.bzz.vn and www.quocbuugroup.com, share IPs with quocbuugroup.com.

Name Servers

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

quocbuugroup.com shares name servers with other domains at least partially, for example tng-solutions.vn, thietbinganhyen.vn, nhavinhomes.com.vn, amsacthuoc.net and mystudyhub.id.vn.

These name servers are commonly used with ns-bak.matbao.com.

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.

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.

Host names that point to 13.250.228.99: ns1.matbao.com and ns1.matbao.vn.

Host names that point to 103.110.128.60: ns1.matbao.com and ns1.matbao.vn.

Host names that point to 35.198.203.127: ns2.matbao.com and ns2.matbao.vn.

Host names that point to 103.138.89.11: ns2.matbao.com and ns2.matbao.vn.

quocbuugroup.com - robtex.com