`null.dojin.com`

DNSSEC	⚠️ Not signed
MX	`mail1.island.ne.jp` ⭐
		A	210.155.3.20^{🇯🇵 KDDI210.155.0.0/17}
MX	`mail2.island.ne.jp`⁽¹⁰⁰⁾
		A	210.155.3.21^{🇯🇵 KDDI210.155.0.0/17}

`dojin.com`

	DNSSEC	⚠️ Not signed
	A	210.155.3.54^{🇯🇵 KDDI210.155.0.0/17}
	NS	`dns.sakura.ad.jp` ⭐
	NS	`ns1.dns.ne.jp`
	NS	`ns2.dns.ne.jp`
	SOA	`dns.sakura.ad.jp`noc@sakura.ad.jp 2026-05-01 #1

WOT: SAFE (61/100)
rank #40486 globally
rank #19849 in the tld
WOT: SAFE (65/100)
📈 Tranco rank: #138,776

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DNS History

2 records (2 active, 0 former)

●MXmail1.island.ne.jp2026-07-02 → 2026-07-04 · 2 obs

● 2026-07-02 01:32:56
● 2026-07-04 09:51:46

●MXmail2.island.ne.jp2026-07-02 → 2026-07-04 · 2 obs

● 2026-07-02 01:32:56
● 2026-07-04 09:51:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net...	-
dojin.com	ns1.dns.ne.jp, ns2.dns.ne.jp	-

✅ Authoritative Response

Server:133.167.21.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dojin.com (unsigned zone)

⏱️ Timing

Total: 418ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	2	`mail1.island.ne.jp (pri: 10), mail2.island.ne.jp (pri: 100)`

Analysis

Mail Servers

null.dojin.com uses two mail servers, mail1.island.ne.jp and mail2.island.ne.jp.

The mail server setup of null.dojin.com matches that of other domains such as com.dojin.com, takunouken.dojin.com, kitatani.dojin.com and two others.

mail1.island.ne.jp directs to 210.155.3.20 and mail2.island.ne.jp directs to 210.155.3.21; each host name points to exactly one IP number.

null.dojin.com - robtex.com

null.dojin.com

dojin.com