`gakusho.com`

DNSSEC	⚠️ Not signed
A	153.122.205.45^{🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
NS	`01.dnsv.jp` ⭐
		A	2400:8500:3300::53^{🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.}
			PTR	`01.dnsv.jp`
		A	157.7.32.53^{🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.}
			PTR	`01.dnsv.jp`
NS	`02.dnsv.jp`
		A	157.7.33.53^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`02.dnsv.jp`
NS	`03.dnsv.jp`
		A	2400:8500:3000::53^{🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.}
			PTR	`03.dnsv.jp`
		A	157.7.34.53^{🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.}
			PTR	`03.dnsv.jp`
NS	`04.dnsv.jp`
		A	2400:8500:3fff::53^{🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.}
			PTR	`04.dnsv.jp`
		A	157.7.35.53^{🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.}
			PTR	`04.dnsv.jp`
MX	`gakusho.in.tmems-jp.trendmicro.com` ⭐
		A	18.176.203.131^{🇯🇵 Amazon18.176.0.0/15 EC2 NRT prefix}
			PTR	`in.tmems-jp.trendmicro.com`
		A	18.176.203.132^{🇯🇵 Amazon18.176.0.0/15 EC2 NRT prefix}
			PTR	`in.tmems-jp.trendmicro.com`
		A	18.176.203.133^{🇯🇵 Amazon18.176.0.0/15 EC2 NRT prefix}
			PTR	`in.tmems-jp.trendmicro.com`
TXT	`tmes=149e5145e37b444b4b4ec37b1ada8e56`
TXT	`v=spf1 include:_spf.shared-server.net ~all`
TXT	`v=spf1 include:spf.makeshop.jp ~all`
TXT	`v=spf1 ip4:211.13.204.0/24 -ip4:211.13.204.182 include:_spf.kzsmail.com inclu...`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1769994939

`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=1776135792

WOT: SAFE (63/100)

Subdomains

mail.gakusho.com

Same first word

gakusho.com

Similar names

shogaku.ch

shogaku.info

askhugo.com

askhugo.org

gakusoh.co.jp

shguoka.com

DNS History

14 records (6 active, 8 former)

●NS01.dnsv.jp2026-02-26 → 2026-04-14 · 3 obs

○ 2017-02-17 11:59:18
● 2026-02-26 04:14:26
● 2026-04-14 03:08:46

●NS02.dnsv.jp2026-02-26 → 2026-04-14 · 3 obs

○ 2017-02-17 11:59:18
● 2026-02-26 04:14:26
● 2026-04-14 03:08:46

●NS03.dnsv.jp2026-02-26 → 2026-04-14 · 3 obs

○ 2017-02-17 11:59:18
● 2026-02-26 04:14:26
● 2026-04-14 03:08:46

●NS04.dnsv.jp2026-02-26 → 2026-04-14 · 3 obs

○ 2017-02-17 11:59:18
● 2026-02-26 04:14:26
● 2026-04-14 03:08:46

○NSns1.firstserver.ne.jp2015-07-24 → 2017-02-17 · 4 obs

● 2015-07-24 03:21:04
● 2017-02-17 11:59:18
○ 2026-02-26 04:14:26
○ 2026-04-14 03:08:46

○NSns2.firstserver.ne.jp2015-07-24 → 2017-02-17 · 4 obs

● 2015-07-24 03:21:04
● 2017-02-17 11:59:18
○ 2026-02-26 04:14:26
○ 2026-04-14 03:08:46

○NSns3.firstserver.ne.jp2015-07-24 → 2017-02-17 · 4 obs

● 2015-07-24 03:21:04
● 2017-02-17 11:59:18
○ 2026-02-26 04:14:26
○ 2026-04-14 03:08:46

○NSns4.firstserver.ne.jp2015-07-24 → 2017-02-17 · 4 obs

● 2015-07-24 03:21:04
● 2017-02-17 11:59:18
○ 2026-02-26 04:14:26
○ 2026-04-14 03:08:46

●MXgakusho.in.tmems-jp.trendmicro.com2026-02-26 → 2026-04-14 · 3 obs

○ 2017-02-17 11:59:18
● 2026-02-26 04:14:26
● 2026-04-14 03:08:46

○MXmail.gakusho.com2015-07-24 → 2017-02-17 · 4 obs

● 2015-07-24 03:21:04
● 2017-02-17 11:59:18
○ 2026-02-26 04:14:26
○ 2026-04-14 03:08:46

○MXmx1.firstserver.ne.jp2015-07-24 → 2017-02-17 · 4 obs

● 2015-07-24 03:21:04
● 2017-02-17 11:59:18
○ 2026-02-26 04:14:26
○ 2026-04-14 03:08:46

○MXmx2.firstserver.ne.jp2015-07-24 → 2017-02-17 · 4 obs

● 2015-07-24 03:21:04
● 2017-02-17 11:59:18
○ 2026-02-26 04:14:26
○ 2026-04-14 03:08:46

●A153.122.205.452026-02-26 → 2026-04-14 · 3 obs

○ 2017-02-17 11:59:18
● 2026-02-26 04:14:26
● 2026-04-14 03:08:46

○A164.46.226.322015-07-24 → 2017-02-17 · 4 obs

● 2015-07-24 03:21:04
● 2017-02-17 11:59:18
○ 2026-02-26 04:14:26
○ 2026-04-14 03:08:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net...	-
gakusho.com	01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp	-

✅ Authoritative Response

Server:157.7.35.53

NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gakusho.com (unsigned zone)

⏱️ Timing

Total: 981ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.122.205.45`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`gakusho.in.tmems-jp.trendmicro.com (pri:`
TXT	4	`tmes=149e5145e37b444b4b4ec37b1ada8e56, v=spf1 include:_spf.shared-server.net ~a...`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

Analysis

Hierarchy

mail.gakusho.com has gakusho.com as its parent.

IP Addresses

gakusho.com maps to IP address 153.122.205.45.

Other host names, for instance 0ism.net, ac-meitsu.jp, zealracing.jp, slimsalonshin.com and flavorcapsule.com share IP numbers with gakusho.com.

Name Servers

gakusho.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

gakusho.com at least partially shares name servers with other domains such as nijimo.mobi, sailing-inc.com, kushi8.jp, tlcs.jp and kiyou-jochugiku.co.jp.

Host names with two IP numbers:

01.dnsv.jp points to: 2400:8500:3300::53 and 157.7.32.53.

03.dnsv.jp points to: 2400:8500:3000::53 and 157.7.34.53.

04.dnsv.jp points to: 2400:8500:3fff::53 and 157.7.35.53.

Host names with one IP number:

02.dnsv.jp points to: 157.7.33.53.

Mail Servers

gakusho.com is handled by a single mail server, gakusho.in.tmems-jp.trendmicro.com.

gakusho.in.tmems-jp.trendmicro.com points to three IP numbers: 18.176.203.131, 18.176.203.132 and 18.176.203.133.

gakusho.com - robtex.com

gakusho.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`gakusho.com`

`com`