`mx02.online.com.kh`

DNSSEC	⚠️ Not signed
A	203.189.128.89^{🇰🇭 Online203.189.128.0/24 ONLINE}
		PTR	`mx02.online.com.kh`

`online.com.kh`

	DNSSEC	⚠️ Not signed
	A	203.189.157.8^{🇰🇭 Online203.189.157.0/24 COGETEL Co., Ltd 60 Monivong Boulevard}
	NS	`dns1.online.com.kh` ⭐
	MX	`d149660a.ess.barracudanetworks.com` ⭐
	MX	`d149660b.ess.barracudanetworks.com`⁽¹⁰⁰⁾
	SOA	`dns1.online.com.kh`hostmaster@online.com.kh 2026-05-09 #1

WOT: UNKNOWN (50/100)
WOT: UNKNOWN (50/100)
📈 Tranco rank: #44,814

PTR for

89.128.189.203.in-addr.arpa

MX for

notes.online.com.kh

Previously MX for

tackfat-cambodia.com

cwcc.org.kh

Same first word

mx02.kinghost.net

mx02.gov.jo

mx02.gov.mz

mx02.ru

mx02.de

mx02.123hjemmeside.dk

mx02.gov.bf

Similar names

02xm.top

mx20.com

m20x.com

20xm.cn

mx20.org

xm02.com

xm20.top

xm20.com

mx20.de

xm02.net

20xm.com

02xm.com

20mx.com

DNS History

2 records (1 active, 1 former)

○A203.189.128.112015-04-29 → 2016-12-25 · 4 obs

● 2015-04-29 21:35:52
● 2016-12-25 10:53:42
○ 2026-03-17 20:55:52
○ 2026-05-09 20:21:32

●A203.189.128.892026-03-17 → 2026-05-09 · 6 obs

○ 2016-12-25 10:53:42
● 2026-03-17 20:55:52
● 2026-03-25 23:42:22
○ 2026-03-26 03:11:02
● 2026-05-09 20:21:30
● 2026-05-09 20:21:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kh	ns.camnet.com.kh, ns1.dns.net.kh, ns4.apnic.net, dns1.online.com.kh	5 records

✅ Authoritative Response

Server:203.189.128.1

NS records: ns.camnet.com.kh, ns1.dns.net.kh, ns4.apnic.net, dns1.online.com.kh

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kh (unsigned zone)

⏱️ Timing

Total: 602ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 5

In-bailiwick: 3 (ns.camnet.com.kh, ns1.dns.net.kh, dns1.online.com.kh)

Out-of-bailiwick: 2 (ns4.apnic.net, ns4.apnic.net)

Analysis

Mail Server Role

mx02.online.com.kh functions as a mail server for notes.online.com.kh.

mx03.online.com.kh is a mail server commonly used with mx02.online.com.kh.

IP Addresses

mx02.online.com.kh resolves to one IP number: 203.189.128.89.

mx02.online.com.kh - robtex.com