`mx11.dco.jp`

DNSSEC	⚠️ Not signed
A	133.18.105.49^{🇯🇵 KAGOYAJAPAN133.18.0.0/16 KAGOYA Japan Inc.}
		PTR	`v133-18-105-49.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=2403722794

MX for

dco.jp

Same first word

mx11.ru

Similar names

11mx.de

11xm.com

x1m1.com

1xm1.com

xm11.com

m1x1.com

11mx.eu

11mx.com

m11x.com

x1m1.cn

DNS History

1 record (1 active, 0 former)

●A133.18.105.492026-04-30 → 2026-05-09 · 2 obs

● 2026-04-30 16:31:58
● 2026-05-09 01:18:10

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:173.245.58.56

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: 967ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`133.18.105.49`

Analysis

Mail Server Role

mx11.dco.jp handles mail for dco.jp.

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

IP Addresses

mx11.dco.jp points to a single IP address: 133.18.105.49.

Other host names such as mx11.pkne.jp, mx11.15ne.jp, mx11.etmail.jp, mx11.twne.jp and mx11.emcm.jp share IPs with mx11.dco.jp.

mx11.dco.jp - robtex.com

mx11.dco.jp

dco.jp