`mx004.stage0.jp`

DNSSEC	⚠️ Not signed
A	52.192.143.187^{🇯🇵 Amazon52.192.0.0/15 EC2 NRT prefix}
		PTR	`ec2-52-192-143-187.ap-northeast-1.compute.amazonaws.com`

`stage0.jp`

	DNSSEC	⚠️ Not signed
	A	202.233.67.18^{🇯🇵 XSERVER-AS202.233.66.0/23 XSERVER Inc.}
	NS	`01.dnsv.jp` ⭐
	NS	`02.dnsv.jp`
	NS	`03.dnsv.jp`
	NS	`04.dnsv.jp`
	MX	`mx003.stage0.jp` ⭐
	MX	`mx004.stage0.jp`⁽²⁰⁾
	TXT	`google-site-verification=iEEhK7leW6xF2qz_I421XjmIl_XiQ22yXbqWF8W9Rew`
	TXT	`v=spf1 ip4:52.69.154.41 ip4:52.192.143.187 ip4:52.194.69.255 ip4:3.114.97.159...`
	SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1659680628

rank #992634 globally
rank #18972 in the tld

MX for

stage0.jp

Similar names

xm400.com

400mx.cn

mx400.com

DNS History

2 records (1 active, 1 former)

○A115.30.23.82019-03-29 → 2019-03-29 · 3 obs

● 2019-03-29 21:55:38
○ 2026-04-13 17:25:56
○ 2026-07-29 08:01:26

●A52.192.143.1872026-04-13 → 2026-07-29 · 3 obs

○ 2019-03-29 21:55:38
● 2026-04-13 17:25:56
● 2026-07-29 08:01:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
stage0.jp	01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp	7 records

✅ Authoritative Response

Server:157.7.34.53

NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stage0.jp (unsigned zone)

⏱️ Timing

Total: 885ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.192.143.187`

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)

Analysis

Mail Server Role

The mail server mx004.stage0.jp processes email for stage0.jp.

mx003.stage0.jp and mx004.stage0.jp tend to appear jointly as mail servers.

IP Addresses

mx004.stage0.jp resolves to just one IP address, 52.192.143.187.

Further host names like ec2-52-192-143-187.ap-northeast-1.compute.amazonaws.com and mx004.cenfy.com overlap in IP numbers with mx004.stage0.jp.

mx004.stage0.jp - robtex.com

mx004.stage0.jp

stage0.jp