`g-book.com`

DNSSEC	⚠️ Not signed
A	23.59.10.140^{🇯🇵 Akamai23.59.0.0/20 Technologies}
		PTR	`a23-59-10-140.deploy.static.akamaitechnologies.com`
NS	`majesta.tns.ne.jp` ⭐
		A	210.175.129.70^{🇯🇵 D-CRUISENET210.175.128.0/22 TS}
			PTR	`majesta.tns.ne.jp`
NS	`royal.tns.ne.jp`
		A	210.175.128.35^{🇯🇵 D-CRUISENET210.175.128.0/22 TS}
			PTR	`royal.tns.ne.jp`
MX	`gbook-com0c.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc1a::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::2^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tyvp286cu00302.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::3^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tyvp286cu00203.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
		A	52.101.124.0^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	52.101.124.6^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tyvp286cu00206.inbound.protection.outlook.com`
		A	52.101.157.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01203.inbound.protection.outlook.com`
		A	52.101.157.40^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
TXT	`MS=ms63132761`
TXT	`v=spf1 ip4:125.1.80.87 a:mail.g-book.com a:GBCGWY11.g-book.com a:GBCGWY12.g-b...`
SOA	`majesta.tns.ne.jp`postmaster@dci.ad.jp serial=1772021942

`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=1771291435

WOT: SAFE (66/100)

PTR for

166.36.155.210.in-addr.arpa

Up

g-meister.g-book.com

www.g-book.com

mail.g-book.com

lexus.g-book.com

gbcgwy11.g-book.com

gbcgwy12.g-book.com

dcm.g-book.com

Same first word

g-book.co.jp

g-book.com.cn

g-book.com

Similar names

g-kobo.com

g-kobo.co.jp

goko-b.co.jp

DNS History

12 records (4 active, 8 former)

●NSmajesta.tns.ne.jp2009-01-05 → 2026-02-25 · 2 obs

● 2009-01-05 06:01:10
● 2026-02-25 12:26:48

●NSroyal.tns.ne.jp2009-01-05 → 2026-02-25 · 2 obs

● 2009-01-05 06:01:10
● 2026-02-25 12:26:48

●MXgbook-com0c.mail.protection.outlook.com2026-02-15 → 2026-02-25 · 3 obs

○ 2018-11-21 02:05:18
● 2026-02-15 12:23:02
● 2026-02-25 12:26:48

○MXmx-box.demail2.d-cruise.jp2015-08-19 → 2015-09-10 · 5 obs

○ 2009-01-05 06:01:10
● 2015-08-19 18:09:32
● 2015-09-10 20:06:06
○ 2015-11-24 17:44:08
○ 2026-02-25 12:26:48

○MXmx-box01.demail2.d-cruise.jp2015-11-24 → 2018-11-21 · 5 obs

○ 2015-09-10 20:06:06
● 2015-11-24 17:44:08
● 2018-11-21 02:05:18
○ 2026-02-15 12:23:02
○ 2026-02-25 12:26:48

○MXmx-box02.demail2.d-cruise.jp2015-11-24 → 2018-11-21 · 5 obs

○ 2015-09-10 20:06:06
● 2015-11-24 17:44:08
● 2018-11-21 02:05:18
○ 2026-02-15 12:23:02
○ 2026-02-25 12:26:48

○MXmx.dci.ad.jp2009-01-05 → 2009-01-05 · 3 obs

● 2009-01-05 06:01:10
○ 2015-08-19 18:09:32
○ 2026-02-25 12:26:48

○A103.28.248.1722016-10-20 → 2018-03-05 · 5 obs

○ 2016-10-04 03:10:32
● 2016-10-20 09:20:18
● 2018-03-05 06:17:40
○ 2018-11-21 02:05:18
○ 2026-02-25 12:26:48

○A210.155.36.1662009-01-05 → 2016-10-04 · 4 obs

● 2009-01-05 06:01:10
● 2016-10-04 03:10:32
○ 2016-10-20 09:20:18
○ 2026-02-25 12:26:48

○A23.47.137.2222026-02-15 → 2026-02-19 · 5 obs

○ 2018-11-21 02:05:18
● 2026-02-15 12:23:02
● 2026-02-19 10:26:26
○ 2026-02-25 12:26:44
○ 2026-02-25 12:26:48

○A23.53.195.142018-11-21 → 2018-11-21 · 4 obs

○ 2018-03-05 06:17:40
● 2018-11-21 02:05:18
○ 2026-02-15 12:23:02
○ 2026-02-25 12:26:48

●A23.59.10.1402026-02-25 → 2026-02-25 · 3 obs

○ 2026-02-19 10:26:26
● 2026-02-25 12:26:44
● 2026-02-25 12:26:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
g-book.com	royal.tns.ne.jp, majesta.tns.ne.jp	-

✅ Authoritative Response

Server: 210.175.128.35

NS records: royal.tns.ne.jp, majesta.tns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for g-book.com (unsigned zone)

⏱️ Timing

Total: 520ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.59.10.140`
NS	2	`majesta.tns.ne.jp, royal.tns.ne.jp`
MX	1	`gbook-com0c.mail.protection.outlook.com`
TXT	2	`MS=ms63132761, v=spf1 ip4:125.1.80.87 a:mail.g-book.com`
SOA	1	`majesta.tns.ne.jp postmaster.dci.ad.jp`

AI analysis

g-book.com is a parent of g-meister.g-book.com, www.g-book.com, mail.g-book.com, lexus.g-book.com, gbcgwy11.g-book.com and a few other host names.

g-book.com points to IP number: 23.59.10.140.

Other host names, for instance a23-59-10-140.deploy.static.akamaitechnologies.com share IP numbers with g-book.com.

g-book.com is delegated to two name servers: majesta.tns.ne.jp and royal.tns.ne.jp.

g-book.com shares the same name server setup as at-navi.com, daihatsu.com, blue-nexus.co.jp, 160a.158.175.210.in-addr.arpa and zelas-toyota.com.

g-book.com at least partially shares name servers with other domains, for instance tokyo-toyopet.co.jp, 37.15.119.in-addr.arpa, timely-csy.com, c-shinosaka.jp and tr-akita.co.jp.

These name servers are commonly used alongside a1-238.akam.net, a11-65.akam.net, a2-66.akam.net, a26-67.akam.net, a5-64.akam.net, a8-65.akam.net, ns1a.toyota.co.jp, ns1b.toyota.co.jp, dn-dnext01.denso.co.jp and dn-dnext02.denso.co.jp.

Host names with a single IP:

majesta.tns.ne.jp points to 210.175.129.70.

royal.tns.ne.jp points to 210.175.128.35.

g-book.com is handled by a single mail server, gbook-com0c.mail.protection.outlook.com.

Host name gbook-com0c.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc1a::, 2a01:111:f403:cc1a::2, 2a01:111:f403:cc1a::3, 2a01:111:f403:cc1f::, 52.101.124.0, 52.101.124.6, 52.101.157.11 and 52.101.157.40.

g-book.com - robtex.com

g-book.com

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