`justreadbook.com`

DNSSEC	⚠️ Not signed
A	210.157.79.157^{🇯🇵 XSERVER-AS210.157.78.0/23 XSERVER Inc.}
		PTR	`sv6816.wpx.ne.jp`
NS	`ns1.wpx.ne.jp` ⭐
		A	157.112.145.65^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.66^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.67^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.68^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.69^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.70^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.145^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.146^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.232^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
			PTR	`ns1.wpx.ne.jp`
NS	`ns2.wpx.ne.jp`
		A	120.136.10.149^{🇯🇵 XSERVER-AS120.136.8.0/22 XSERVER Inc.}
		A	120.136.10.150^{🇯🇵 XSERVER-AS120.136.8.0/22 XSERVER Inc.}
		A	120.136.10.243^{🇯🇵 XSERVER-AS120.136.8.0/22 XSERVER Inc.}
			PTR	`ns2.wpx.ne.jp`
		A	183.90.225.214^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.225.215^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.225.216^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.225.217^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.225.218^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
NS	`ns3.wpx.ne.jp`
		A	157.112.182.226^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.227^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.228^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.229^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.230^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.254^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.244^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.wpx.ne.jp`
MX	`justreadbook.com` ⭐
		A	210.157.79.157^{🇯🇵 XSERVER-AS210.157.78.0/23 XSERVER Inc.}
			PTR	`sv6816.wpx.ne.jp`
TXT	`v=spf1 +a:sv6816.wpx.ne.jp +a:justreadbook.com +mx include:spf.sender.xserver...`
SOA	`ns1.wpx.ne.jp`root@wpx.ne.jp serial=0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1783262316

MX for

justreadbook.com

Subdomains

ns1.justreadbook.com

mail.justreadbook.com

Same first word

justreadbook.com

DNS History

6 records (5 active, 1 former)

●NSns1.wpx.ne.jp2026-03-13 → 2026-07-05 · 2 obs

● 2026-03-13 16:34:02
● 2026-07-05 14:39:18

●NSns2.wpx.ne.jp2026-03-13 → 2026-07-05 · 2 obs

● 2026-03-13 16:34:02
● 2026-07-05 14:39:18

●NSns3.wpx.ne.jp2026-03-13 → 2026-07-05 · 2 obs

● 2026-03-13 16:34:02
● 2026-07-05 14:39:18

●MXjustreadbook.com2026-03-13 → 2026-07-05 · 2 obs

● 2026-03-13 16:34:02
● 2026-07-05 14:39:18

○A162.43.107.732026-03-13 → 2026-03-13 · 3 obs

● 2026-03-13 16:34:02
○ 2026-04-21 09:38:10
○ 2026-07-05 14:39:18

●A210.157.79.1572026-04-21 → 2026-07-05 · 3 obs

○ 2026-03-13 16:34:02
● 2026-04-21 09:38:10
● 2026-07-05 14:39:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
justreadbook.com	ns1.wpx.ne.jp, ns2.wpx.ne.jp, ns3.wpx.ne.jp	-

✅ Authoritative Response

Server:157.112.145.68

NS records: ns1.wpx.ne.jp, ns2.wpx.ne.jp, ns3.wpx.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for justreadbook.com (unsigned zone)

⏱️ Timing

Total: 1051ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.157.79.157`
NS	3	`ns3.wpx.ne.jp, ns1.wpx.ne.jp...`
MX	1	`justreadbook.com (pri: 0)`
TXT	1	`v=spf1 +a:sv6816.wpx.ne.jp +a:justreadbo`
SOA	1	`ns1.wpx.ne.jp root.wpx.ne.jp`

Analysis

Hierarchy

ns1.justreadbook.com and mail.justreadbook.com each fall under justreadbook.com as their parent domain.

Mail Server Role

justreadbook.com handles its own mail, functioning as its own mail server.

IP Addresses

justreadbook.com resolves to just one IP address, 210.157.79.157.

Two other host names, along with zenkoku-okuyami.com, www.reibun.jp and mir-linz.com, also share IP numbers with justreadbook.com.

Name Servers

justreadbook.com is served by three name servers: ns1.wpx.ne.jp, ns2.wpx.ne.jp and ns3.wpx.ne.jp.

At least some of justreadbook.com's name servers are shared with other domains, for example ululaau.com, 78.157.210.in-addr.arpa, 5garage.com and two more.

DNS names with 9 IP addresses:

ns1.wpx.ne.jp maps to 157.112.145.65, 157.112.145.66, 157.112.145.67 and 6 additional IP addresses.

DNS names with 8 IP addresses:

ns2.wpx.ne.jp maps to 120.136.10.149, 120.136.10.150, 120.136.10.243 and 5 additional IP addresses.

DNS names with 7 IP addresses:

ns3.wpx.ne.jp maps to 157.112.182.226, 157.112.182.227, 157.112.182.228 and 4 additional IP addresses.

Mail Servers

justreadbook.com is served by just one mail server: justreadbook.com.

justreadbook.com resolves to 210.157.79.157 and no other IP number.

justreadbook.com - robtex.com