`mx12.dco.jp`

DNSSEC	⚠️ Not signed
A	133.18.124.200^{🇯🇵 KAGOYAJAPAN133.18.0.0/16 KAGOYA Japan Inc.}
		PTR	`v133-18-124-200.vir.kagoya.net`

`dco.jp`

	DNSSEC	⚠️ Not signed
	NS	`adi.ns.cloudflare.com` ⭐
	NS	`elijah.ns.cloudflare.com`
	MX	`mx12.dco.jp` ⭐
	MX	`mx11.dco.jp`⁽³⁾
	MX	`mx13.dco.jp`⁽³⁾
	TXT	`google-site-verification=Li5JsNuvsZ7CiA03Yeya9cBdAaatYOakT3wpcxvkjlk`
	TXT	`v=spf1 mx a:mx11.dco.jp ~all`
	SOA	`adi.ns.cloudflare.com`dns@cloudflare.com serial=2403157417

MX for

dco.jp

Same first word

mx12.com

Similar names

21xm.cn

1mx2.com

x12m.com

2m1x.de

mx21.net

21xm.com

21mx.de

xm12.top

12mx.cn

DNS History

1 record (1 active, 0 former)

●A133.18.124.2002026-04-30 → 2026-05-04 · 2 obs

● 2026-04-30 16:31:58
● 2026-05-04 13:53:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
dco.jp	adi.ns.cloudflare.com, elijah.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.56

NS records: adi.ns.cloudflare.com, elijah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dco.jp (unsigned zone)

⏱️ Timing

Total: 559ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`133.18.124.200`

Analysis

Mail Server Role

mx12.dco.jp serves as the mail server for dco.jp.

mx11.dco.jp and mx13.dco.jp are commonly used as mail servers together with mx12.dco.jp.

IP Addresses

mx12.dco.jp resolves to a single IP: 133.18.124.200.

Other host names, for instance mx12.1mile.jp, mx12.melodies.jp, mx12.pkne.jp, mx12.emcm.jp and mx12.gwne.jp share IP numbers with mx12.dco.jp.

mx12.dco.jp - robtex.com

mx12.dco.jp

dco.jp