`sajima.jp`

DNSSEC	⚠️ Not signed
NS	`ns6-tk01.ocn.ad.jp` ⭐
		A	2001:380::1053^{🇯🇵 OCN2001:380::/32 IPv6 Network, Japan}
			PTR	`ns6-tk01.ocn.ad.jp`
		A	61.207.9.4^{🇯🇵 OCN61.207.0.0/16 (AS4713) CIDR BLOCK 33 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
			PTR	`ns6-tk01.ocn.ad.jp`
NS	`ns6-tk02.ocn.ad.jp`
		A	2001:380:0:1::1053^{🇯🇵 OCN2001:380::/32 IPv6 Network, Japan}
			PTR	`ns6-tk02.ocn.ad.jp`
		A	61.207.9.36^{🇯🇵 OCN61.207.0.0/16 (AS4713) CIDR BLOCK 33 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
			PTR	`ns6-tk02.ocn.ad.jp`
MX	`mx.securemx.jp` ⭐
		A	210.130.202.92^{🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`mx180b.securemx.jp`
		A	210.130.202.93^{🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`mx114b.securemx.jp`
		A	210.130.202.96^{🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`mx114a.securemx.jp`
		A	210.130.202.99^{🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`mx180a.securemx.jp`
TXT	`v=spf1 +ip4:210.164.129.32/27 +ip4:210.163.144.0/24 include:spf.protection.ou...`
SOA	`ns6-tk01.ocn.ad.jp`postmaster@keikyu.co.jp 2025-12-15 #1

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1784480402

Same first word

sajima.co.jp

sajima.jp

sajima.com

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DNS History

3 records (3 active, 0 former)

●NSns6-tk01.ocn.ad.jp2015-05-30 → 2026-07-19 · 2 obs

● 2015-05-30 22:36:26
● 2026-07-19 17:47:08

●NSns6-tk02.ocn.ad.jp2015-05-30 → 2026-07-19 · 2 obs

● 2015-05-30 22:36:26
● 2026-07-19 17:47:08

●MXmx.securemx.jp2026-04-23 → 2026-07-19 · 2 obs

● 2026-04-23 17:13:44
● 2026-07-19 17:47:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
sajima.jp	ns6-tk01.ocn.ad.jp, ns6-tk02.ocn.ad.jp	-

✅ Authoritative Response

Server:61.207.9.4

NS records: ns6-tk01.ocn.ad.jp, ns6-tk02.ocn.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sajima.jp (unsigned zone)

⏱️ Timing

Total: 4199ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns6-tk02.ocn.ad.jp, ns6-tk01.ocn.ad.jp`
MX	1	`mx.securemx.jp (pri: 10)`
TXT	1	`v=spf1 +ip4:210.164.129.32/27 +ip4:210.1`
SOA	1	`ns6-tk01.ocn.ad.jp postmaster.keikyu.co.`

Analysis

Name Servers

sajima.jp is delegated to two name servers: ns6-tk01.ocn.ad.jp and ns6-tk02.ocn.ad.jp.

sajima.jp shares its name server setup with other domains, including bunka758.or.jp, saneiftp.com, shinyu-kai.jp and two others.

sajima.jp shares at least some of its name servers with other domains, including biznet.tottoribank.co.jp, direct.gunmabank.co.jp, parasol.oitabank.co.jp and two others.

These name servers are frequently paired with the name servers os12-dnsic1-dns1.anser.ne.jp and dns.ykkap.co.jp.

ns6-tk01.ocn.ad.jp and ns6-tk02.ocn.ad.jp each resolve to two IP addresses: ns6-tk01.ocn.ad.jp points to 61.207.9.4 and 2001:380::1053, while ns6-tk02.ocn.ad.jp points to 61.207.9.36 and 2001:380:0:1::1053.

Mail Servers

sajima.jp has one mail server: mx.securemx.jp.

sajima.jp shares the same mail server setup as other domains, including lib.city.bunkyo.tokyo.jp, tokiwayakuhin.co.jp, ageimo.com and two others.

sajima.jp shares mail servers — at least in part — with other domains, including tfm.co.jp, spnoble.com.sg, shinkinny.com and two others.

These mail servers are frequently seen alongside the mail servers mx6.securemx.jp.

mx.securemx.jp resolves to four IP addresses: 210.130.202.92, 210.130.202.93, 210.130.202.96 and 210.130.202.99.

sajima.jp - robtex.com

sajima.jp

jp