`koijon.com`

DNSSEC	⚠️ Not signed
A	103.138.88.119^{🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET}
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}
SOA	`ns1.matbao.com`admin@matbao.com 2023-09-08 #2

`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=1774653292

Same first word

koijon.com

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DNS History

4 records (3 active, 1 former)

●NSns1.matbao.com2019-12-16 → 2026-03-27 · 2 obs

● 2019-12-16 10:46:34
● 2026-03-27 23:38:32

●NSns2.matbao.com2019-12-16 → 2026-03-27 · 2 obs

● 2019-12-16 10:46:34
● 2026-03-27 23:38:32

●A103.138.88.1192026-03-27 → 2026-03-27 · 3 obs

○ 2019-12-16 10:46:34
● 2026-03-27 07:43:54
● 2026-03-27 23:38:32

○A125.212.221.2012019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 10:46:34
○ 2026-03-27 07:43:54
○ 2026-03-27 23:38:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
koijon.com	ns1.matbao.com, ns2.matbao.com	4 records

✅ Authoritative Response

Server:103.110.128.60

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koijon.com (unsigned zone)

⏱️ Timing

Total: 648ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.138.88.119`
NS	2	`ns2.matbao.com, ns1.matbao.com`
SOA	1	`ns1.matbao.com admin.matbao.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.matbao.com, ns1.matbao.com, ns2.matbao.com...)

Analysis

IP Addresses

koijon.com points to a single IP address: 103.138.88.119.

Other host names such as ecert-itwperformancepolymers.com, semeco.com.vn, race.vn, vietgiahealthcare.com and www.teraland.vn share IPs with koijon.com.

Name Servers

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

koijon.com shares the same name server setup as other domains, for example in2spire.net, jaxtina.edu.vn, unicorndigital.vn, capnuocninhthuan.com and chamsoctainhavietuc.com.

koijon.com at least partially shares name servers with other domains, for example procut.vn, baobiquangminh.vn, aothunthoitrang.vn, omailoang.com and phucchung.com.

These name servers are commonly used with ns1.matbao.vn and ns2.matbao.vn and 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.

koijon.com - robtex.com

koijon.com

com