mail.plexsys.jp - dns.ninja

`mail.plexsys.jp`

DNSSEC	⚠️ Not signed
A	122.215.127.122^{🇯🇵 UCOM122.212.0.0/14 ARTERIA Networks Corporation(UCOM)}
		PTR	`122x215x127x122.ap122.ftth.ucom.ne.jp`

`plexsys.jp`

	DNSSEC	⚠️ Not signed
	NS	`ns.jule.co.jp` ⭐
	NS	`ns3.maihama-net.com` ⚠️ Not in parent delegation
	MX	`mail.plexsys.jp` ⭐
	SOA	`ns.jule.co.jp`cabin@jule.co.jp 2025-09-21 #7

MX for

plexsys.jp

Same first word

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DNS History

1 record (1 active, 0 former)

●A122.215.127.1222026-02-18 → 2026-08-10 · 2 obs

● 2026-02-18 02:28:50
● 2026-08-10 01:30:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	h.dns.jp, a.dns.jp, b.dns.jp, f.dns.jp...	-
plexsys.jp	ns.jule.co.jp	1 record

✅ Authoritative Response

Server:122.215.127.122

NS records: ns.jule.co.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for plexsys.jp (unsigned zone)

⏱️ Timing

Total: 848ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`122.215.127.122`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns.jule.co.jp)

Analysis

Mail Server Role

The mail server mail.plexsys.jp processes email for plexsys.jp.

IP Addresses

mail.plexsys.jp resolves to just one IP address, 122.215.127.122.

Other host names — mori-coffee.com, 122x215x127x122.ap122.ftth.ucom.ne.jp, jule.co.jp and ns.jule.co.jp — share IP numbers with mail.plexsys.jp.