`linear-mirai.jp`

DNSSEC	⚠️ Not signed
A	85.131.197.84^{🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.}
		PTR	`sv16143.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:sv16143.xserver.jp +a:linear-mirai.jp +mx include:spf.sender.xserve...`
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=1778663702

PTR for

19.230.249.150.in-addr.arpa

Same first word

linear-mirai.jp

DNS History

10 records (6 active, 4 former)

○NSns1.value-domain.com2020-03-28 → 2020-03-28 · 3 obs

● 2020-03-28 12:29:50
○ 2026-04-23 06:30:20
○ 2026-05-13 09:40:22

●NSns1.xserver.jp2026-04-23 → 2026-05-13 · 3 obs

○ 2020-03-28 12:29:50
● 2026-04-23 06:30:20
● 2026-05-13 09:40:22

○NSns2.value-domain.com2020-03-28 → 2020-03-28 · 3 obs

● 2020-03-28 12:29:50
○ 2026-04-23 06:30:20
○ 2026-05-13 09:40:22

●NSns2.xserver.jp2026-04-23 → 2026-05-13 · 3 obs

○ 2020-03-28 12:29:50
● 2026-04-23 06:30:20
● 2026-05-13 09:40:22

●NSns3.xserver.jp2026-04-23 → 2026-05-13 · 3 obs

○ 2020-03-28 12:29:50
● 2026-04-23 06:30:20
● 2026-05-13 09:40:22

●NSns4.xserver.jp2026-04-23 → 2026-05-13 · 3 obs

○ 2020-03-28 12:29:50
● 2026-04-23 06:30:20
● 2026-05-13 09:40:22

●NSns5.xserver.jp2026-04-23 → 2026-05-13 · 3 obs

○ 2020-03-28 12:29:50
● 2026-04-23 06:30:20
● 2026-05-13 09:40:22

○MXmail13.onamae.ne.jp2020-03-28 → 2020-03-28 · 3 obs

● 2020-03-28 12:29:50
○ 2026-04-23 06:30:20
○ 2026-05-13 09:40:22

○A150.249.230.192020-03-28 → 2020-03-28 · 3 obs

● 2020-03-28 12:29:50
○ 2026-04-23 06:30:20
○ 2026-05-13 09:40:22

●A85.131.197.842026-04-23 → 2026-05-13 · 3 obs

○ 2020-03-28 12:29:50
● 2026-04-23 06:30:20
● 2026-05-13 09:40:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	f.dns.jp, h.dns.jp, a.dns.jp, g.dns.jp...	-
linear-mirai.jp	ns2.xserver.jp, ns4.xserver.jp, ns1.xserver.jp, ns5.xserver.jp...	11 records

✅ Authoritative Response

Server:202.226.39.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linear-mirai.jp (unsigned zone)

⏱️ Timing

Total: 3884ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.131.197.84`
NS	5	`ns4.xserver.jp, ns2.xserver.jp...`
TXT	1	`v=spf1 +a:sv16143.xserver.jp +a:linear-m`
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

IP Addresses

linear-mirai.jp points to a single IP number: 85.131.197.84.

Other host names, for instance sanwatech.co.jp, quuun.jp, ns.lat-n.com, a-kamioka.com and yamato-jaguars.com share IP numbers with linear-mirai.jp.

Name Servers

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

linear-mirai.jp shares name servers with other domains at least partially, for instance smappamenu.fun, plus2.co.jp, kobelco-kwts.co.jp, fot23.com and balsa.jp.