`book-share.jp`

DNSSEC	⚠️ Not signed
A	157.112.176.17^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		PTR	`sv816.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:sv816.xserver.jp +a:book-share.jp +mx include:spf.sender.xserver.jp...`
TXT	`google-site-verification=7vHhPd8fP69J-jUKiX0dOcWumnaO0XhP9yQrSCYS9qc`
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=1777030203

Subdomains

www.book-share.jp

Same first word

book-share.jp

DNS History

11 records (6 active, 5 former)

●NSns1.xserver.jp2026-03-01 → 2026-04-24 · 3 obs

○ 2019-03-20 11:18:12
● 2026-03-01 06:13:22
● 2026-04-24 11:46:38

●NSns2.xserver.jp2026-03-01 → 2026-04-24 · 3 obs

○ 2019-03-20 11:18:12
● 2026-03-01 06:13:22
● 2026-04-24 11:46:38

○NSns3.hitokoto.mobi2015-07-21 → 2019-03-20 · 4 obs

● 2015-07-21 00:33:52
● 2019-03-20 11:18:12
○ 2026-03-01 06:13:22
○ 2026-04-24 11:46:38

●NSns3.xserver.jp2026-03-01 → 2026-04-24 · 3 obs

○ 2019-03-20 11:18:12
● 2026-03-01 06:13:22
● 2026-04-24 11:46:38

○NSns4.hitokoto.mobi2015-07-21 → 2019-03-20 · 4 obs

● 2015-07-21 00:33:52
● 2019-03-20 11:18:12
○ 2026-03-01 06:13:22
○ 2026-04-24 11:46:38

●NSns4.xserver.jp2026-03-01 → 2026-04-24 · 3 obs

○ 2019-03-20 11:18:12
● 2026-03-01 06:13:22
● 2026-04-24 11:46:38

○NSns5.hitokoto.mobi2015-07-21 → 2019-03-20 · 4 obs

● 2015-07-21 00:33:52
● 2019-03-20 11:18:12
○ 2026-03-01 06:13:22
○ 2026-04-24 11:46:38

●NSns5.xserver.jp2026-03-01 → 2026-04-24 · 3 obs

○ 2019-03-20 11:18:12
● 2026-03-01 06:13:22
● 2026-04-24 11:46:38

○MXgw.1stbit.co.jp2015-07-21 → 2019-03-20 · 4 obs

● 2015-07-21 00:33:52
● 2019-03-20 11:18:12
○ 2026-03-01 06:13:22
○ 2026-04-24 11:46:38

●A157.112.176.172026-03-01 → 2026-04-24 · 3 obs

○ 2019-03-20 11:18:12
● 2026-03-01 06:13:22
● 2026-04-24 11:46:38

○A175.111.65.922015-07-21 → 2019-03-20 · 4 obs

● 2015-07-21 00:33:52
● 2019-03-20 11:18:12
○ 2026-03-01 06:13:22
○ 2026-04-24 11:46:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
book-share.jp	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	11 records

✅ Authoritative Response

Server:202.226.36.164

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for book-share.jp (unsigned zone)

⏱️ Timing

Total: 747ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.112.176.17`
NS	5	`ns5.xserver.jp, ns2.xserver.jp...`
TXT	2	`v=spf1 +a:sv816.xserver.jp +a:book-share, google-site-verification=7vHhPd8fP69J-jU`
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

book-share.jp is a parent of www.book-share.jp.

IP Addresses

book-share.jp points to a single IP number: 157.112.176.17.

Other host names, for instance hakubavalley.jp, mail.fec.ne.jp, www.wakuwaku-smile.net, planavi1.com and www.amakusatakarajima.com share IP numbers with book-share.jp.

Name Servers

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

book-share.jp at least partially shares name servers with other domains, for instance yourcard.co.jp, sanbu.com, taiyoko.com, shinonsha.com and toriau.com.