`mail.rexmart.jp`

DNSSEC	⚠️ Not signed
A	210.164.135.130^{🇯🇵 OCN210.164.0.0/16 (AS4713) CIDR BLOCK 10 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
		PTR	`mail.rexmart.jp`

`rexmart.jp`

	DNSSEC	⚠️ Not signed
	NS	`ns-1.nnc.or.jp` ⭐
	NS	`ns-2.nnc.or.jp`
	NS	`ns-3.cyber-l.co.jp`
	MX	`mail.rexmart.jp` ⭐
	TXT	`v=spf1 include:spf.repica.jp ip4:210.164.135.128/27 ~all`
	SOA	`ns-1.nnc.or.jp`root@nnc.or.jp 2026-06-16 #1

PTR for

130.135.164.210.in-addr.arpa

MX for

rexmart.jp

Same first word

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DNS History

1 record (1 active, 0 former)

●A210.164.135.1302015-08-20 → 2026-08-02 · 2 obs

● 2015-08-20 13:40:26
● 2026-08-02 03:49:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
rexmart.jp	ns-3.cyber-l.co.jp, ns-1.nnc.or.jp, ns-2.nnc.or.jp	3 records

✅ Authoritative Response

Server:218.45.1.2

NS records: ns-3.cyber-l.co.jp, ns-1.nnc.or.jp, ns-2.nnc.or.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rexmart.jp (unsigned zone)

⏱️ Timing

Total: 709ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.164.135.130`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns-3.cyber-l.co.jp, ns-2.nnc.or.jp, ns-1.nnc.or.jp)

Analysis

Mail Server Role

mail.rexmart.jp serves as a mail server for rexmart.jp.

IP Addresses

mail.rexmart.jp points to a single IP number: 210.164.135.130.

mail.rexmart.jp - robtex.com

mail.rexmart.jp

rexmart.jp