`oikawa-dc.jp`

DNSSEC	⚠️ Not signed
A	162.43.104.162^{🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.}
		PTR	`sv14761.xserver.jp`
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.170^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.246^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns1.xserver.jp`
NS	`ns2.xserver.jp`
		A	35.72.43.26^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp`
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp`
		A	183.90.224.226^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.224.230^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	202.226.39.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns4.xserver.jp`
NS	`ns5.xserver.jp`
		A	157.112.182.218^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.220^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns5.xserver.jp`
TXT	`v=spf1 +a:sv14761.xserver.jp +a:oikawa-dc.jp +mx include:spf.sender.xserver.j...`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`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=1777258802

Subdomains

mail.oikawa-dc.jp

Same first word

oikawa-dc.net

DNS History

10 records (6 active, 4 former)

○NSns.oikawa-dc.jp2015-07-22 → 2017-04-08 · 3 obs

● 2015-07-22 06:38:36
● 2017-04-08 11:26:24
○ 2026-04-27 03:33:42

●NSns1.xserver.jp2026-04-27 → 2026-04-27 · 2 obs

○ 2017-04-08 11:26:24
● 2026-04-27 03:33:42

●NSns2.xserver.jp2026-04-27 → 2026-04-27 · 2 obs

○ 2017-04-08 11:26:24
● 2026-04-27 03:33:42

●NSns3.xserver.jp2026-04-27 → 2026-04-27 · 2 obs

○ 2017-04-08 11:26:24
● 2026-04-27 03:33:42

●NSns4.xserver.jp2026-04-27 → 2026-04-27 · 2 obs

○ 2017-04-08 11:26:24
● 2026-04-27 03:33:42

●NSns5.xserver.jp2026-04-27 → 2026-04-27 · 2 obs

○ 2017-04-08 11:26:24
● 2026-04-27 03:33:42

○NSnsx.clara.co.jp2015-07-22 → 2017-04-08 · 3 obs

● 2015-07-22 06:38:36
● 2017-04-08 11:26:24
○ 2026-04-27 03:33:42

○MXmail.oikawa-dc.jp2015-07-22 → 2017-04-08 · 3 obs

● 2015-07-22 06:38:36
● 2017-04-08 11:26:24
○ 2026-04-27 03:33:42

●A162.43.104.1622026-04-27 → 2026-04-27 · 2 obs

○ 2017-04-08 11:26:24
● 2026-04-27 03:33:42

○A202.45.164.1282015-07-22 → 2017-04-08 · 3 obs

● 2015-07-22 06:38:36
● 2017-04-08 11:26:24
○ 2026-04-27 03:33:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	f.dns.jp, c.dns.jp, h.dns.jp, a.dns.jp...	-
oikawa-dc.jp	ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp...	11 records

✅ Authoritative Response

Server:157.112.182.218

NS records: ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oikawa-dc.jp (unsigned zone)

⏱️ Timing

Total: 1331ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.43.104.162`
NS	5	`ns3.xserver.jp, ns4.xserver.jp...`
TXT	1	`v=spf1 +a:sv14761.xserver.jp +a:oikawa-d`
SOA	1	`ns1.xserver.jp root.xserver.jp`

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

Hierarchy

oikawa-dc.jp is a parent of mail.oikawa-dc.jp.

IP Addresses

oikawa-dc.jp points to a single IP address: 162.43.104.162.

Other host names such as attomuve.com, modogroup.jp, finalfrontier.jp, dbfw-days.com and nishigawara-pool.jp share IP numbers with oikawa-dc.jp.

Name Servers

oikawa-dc.jp is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

At least part of the name servers for oikawa-dc.jp are shared with other domains, for instance k-florist.com, webhamm.com, sakegirl.net, oita-roken.com and saniwa.net.