`mx100.whoau.com`

DNSSEC	⚠️ Not signed
A	121.169.202.53^{🇰🇷 KT-NET121.168.0.0/13}
		PTR	`mx100.eland.co.kr`
		PTR	`mx10.eland.co.kr`
		PTR	`mx200.eland.co.kr`

`whoau.com`

	DNSSEC	⚠️ Not signed
	A	183.111.139.228^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
	A	203.245.12.96^{🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary}
	A	203.245.12.101^{🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary}
	A	203.245.12.113^{🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary}
	NS	`whoau.com` ⭐
	NS	`dns1.cafe24.co.kr` ⚠️ Not in zone NS records
	NS	`dns1.cafe24.com` ⚠️ Not in zone NS records
	NS	`dns2.cafe24.co.kr` ⚠️ Not in zone NS records
	NS	`dns2.cafe24.com` ⚠️ Not in zone NS records
	MX	`mx100.whoau.com` ⭐
	MX	`mx10.whoau.com`⁽¹⁰⁰⁾
	MX	`mx200.whoau.com`⁽¹⁰⁰⁾
	TXT	`google-site-verification=Uc2CPfBENWegobjQoDuRH-YsNvVAjw60A1L5JUDdjbE`
	TXT	`v=spf1 ip4:116.193.93.90 ip4:116.193.93.37 ip4:121.169.202.66 ip4:121.169.202...`
	TXT	`MS=ms57530482`
	SOA	`whoau.com`postmaster@whoau.com serial=20220119

MX for

whoau.com

Same first word

mx100.com.cn

mx100.de

mx100.org

mx100.cn

mx100.net

Similar names

xm010.com

xm001.com

010xm.com

mx001.de

mx001.net

xm100.cc

100xm.com

xm100.vn

001mx.com

xm100.org

001mx.win

xm100.com

001xm.com

100mx.com

DNS History

1 record (1 active, 0 former)

●A121.169.202.532015-07-21 → 2026-06-06 · 2 obs

● 2015-07-21 02:45:30
● 2026-06-06 02:41:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net...	-
whoau.com	dns1.cafe24.com, dns2.cafe24.com, dns1.cafe24.co.kr, dns2.cafe24.co.kr	8 records

✅ Authoritative Response

Server:112.175.247.226

NS records: dns1.cafe24.com, dns2.cafe24.com, dns1.cafe24.co.kr, dns2.cafe24.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for whoau.com (unsigned zone)

⏱️ Timing

Total: 1171ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.169.202.53`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (dns1.cafe24.com, dns1.cafe24.com, dns1.cafe24.com...)

Analysis

Mail Server Role

mx100.whoau.com is used as a mail server for whoau.com.

The mail servers mx10.whoau.com and mx200.whoau.com are often used together with mx100.whoau.com.

IP Addresses

mx100.whoau.com resolves to just one IP address, 121.169.202.53.

Two other host names, along with mx100.kensing.com, mx100.elandmall.com and mx100.seouleland.com, also share IP numbers with mx100.whoau.com.

mx100.whoau.com - robtex.com

mx100.whoau.com

whoau.com