`cbk0.mx2.cloud-mail.jp`

	DNSSEC	⚠️ Not signed
	A	202.210.185.138^{🇯🇵 BEKKOAME202.210.128.0/18 INTERNET INC.}

`mx2.cloud-mail.jp`

DNSSEC

⚠️ Not signed

MX for

dumbonet.co.jp

mchild.net

cerisier-reine.com

Previously MX for

oz-networks.com

h2u.jp

Same first word

cbk0.googleapis.com

Similar names

0bck.com

ck0b.cc

DNS History

2 records (1 active, 1 former)

●A202.210.185.1382026-02-17 → 2026-05-11 · 3 obs

○ 2016-12-20 20:28:32
● 2026-02-17 18:49:46
● 2026-05-11 16:32:28

○A202.216.228.1182015-05-18 → 2016-12-20 · 4 obs

● 2015-05-18 07:39:18
● 2016-12-20 20:28:32
○ 2026-02-17 18:49:46
○ 2026-05-11 16:32:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
cloud-mail.jp	ns22.freebit.net, ns21.freebit.net	-

✅ Authoritative Response

Server:61.195.7.21

NS records: ns22.freebit.net, ns21.freebit.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cloud-mail.jp (unsigned zone)

⏱️ Timing

Total: 1148ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.210.185.138`

Analysis

Mail Server Role

cbk0.mx2.cloud-mail.jp serves as the mail server for dumbonet.co.jp, mchild.net and cerisier-reine.com.

cbk0.mx.cloud-mail.jp, sirius.rutoria.com and vega.rutoria.com are commonly used as mail servers alongside cbk0.mx2.cloud-mail.jp.

IP Addresses

cbk0.mx2.cloud-mail.jp resolves to one IP number: 202.210.185.138.

other host names including cas0.mx2.cloud-mail.jp, hcc0.mx2.cloud-mail.jp, can0.mx2.cloud-mail.jp, cbl0.mx2.cloud-mail.jp and cuc0.mx2.cloud-mail.jp share IP numbers with cbk0.mx2.cloud-mail.jp.

cbk0.mx2.cloud-mail.jp - robtex.com