studyplus.jp - dns.ninja

`studyplus.jp`

DNSSEC	⚠️ Not signed
A	3.163.115.3^{🇺🇸 Amazon3.163.112.0/21}
A	3.163.115.65^{🇺🇸 Amazon3.163.112.0/21}
A	3.163.115.68^{🇺🇸 Amazon3.163.112.0/21}
A	3.163.115.94^{🇺🇸 Amazon3.163.112.0/21}
NS	`ns-1359.awsdns-41.org` ⭐
		A	2600:9000:5305:4f00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1359.awsdns-41.org`
		A	205.251.197.79^{🇺🇸 Amazon205.251.197.0/24 prefix}
NS	`ns-1603.awsdns-08.co.uk`
		A	2600:9000:5306:4300::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1603.awsdns-08.co.uk`
		A	205.251.198.67^{🇺🇸 Amazon205.251.198.0/24 prefix}
NS	`ns-451.awsdns-56.com`
		A	2600:9000:5301:c300::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-451.awsdns-56.com`
		A	205.251.193.195^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-451.awsdns-56.com`
NS	`ns-746.awsdns-29.net`
		A	2600:9000:5302:ea00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-746.awsdns-29.net`
		A	205.251.194.234^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-746.awsdns-29.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
TXT	`google-site-verification=PnpcSnXH2Z94Adcli-obLfrzwHjMpKNudTRobEA218g`
TXT	`google-site-verification=TsoePr6JXRevaMr0Ih5n4AXXAWpxnIeH-GxyQuEdpmM`
TXT	`google-site-verification=uJVncuAAlEMmqCd2uh0dib_TcuPrFnmD8vkTsRhb6-M`
TXT	`notion-domain-verification=90CXZOfeaDGT3donReSgiV8x0nyJiZKf5dSXdQQU6Kn`
TXT	`v=spf1 include:_spf.google.com include:mail.zendesk.com include:_spf.prtimes....`
SOA	`ns-1359.awsdns-41.org`awsdns-hostmaster@amazon.com serial=1

`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=1785385802

rank #358447 globally
rank #6991 in the tld
📈 Tranco rank: #227,148

Subdomains

app.studyplus.jp

s3-ssl.studyplus.jp

s3.studyplus.jp

external-api.studyplus.jp

www.studyplus.jp

api.studyplus.jp

image.studyplus.jp

Same first word

studyplus.co.nz

studyplus.co

studyplus.co.jp

studyplus.alsace

studyplus.org

studyplus.cn

studyplus.net

studyplus.eu

studyplus.com.ua

studyplus.com.au

studyplus.co.th

studyplus.co.uk

studyplus.ma

studyplus.fr

studyplus.in

studyplus.jp

studyplus.de

Similar names

plusstudy.net

plusstudy.com

DNS History

104 records (13 active, 91 former)

●NSns-1359.awsdns-41.org2015-05-23 → 2026-07-30 · 2 obs

● 2015-05-23 00:18:32
● 2026-07-30 05:30:34

●NSns-1603.awsdns-08.co.uk2015-05-23 → 2026-07-30 · 2 obs

● 2015-05-23 00:18:32
● 2026-07-30 05:30:34

●NSns-451.awsdns-56.com2015-05-23 → 2026-07-30 · 2 obs

● 2015-05-23 00:18:32
● 2026-07-30 05:30:34

●NSns-746.awsdns-29.net2015-05-23 → 2026-07-30 · 2 obs

● 2015-05-23 00:18:32
● 2026-07-30 05:30:34

●MXalt1.aspmx.l.google.com2015-05-23 → 2026-07-30 · 2 obs

● 2015-05-23 00:18:32
● 2026-07-30 05:30:34

●MXalt2.aspmx.l.google.com2015-05-23 → 2026-07-30 · 2 obs

● 2015-05-23 00:18:32
● 2026-07-30 05:30:34

●MXaspmx.l.google.com2015-05-23 → 2026-07-30 · 2 obs

● 2015-05-23 00:18:32
● 2026-07-30 05:30:34

●MXaspmx2.googlemail.com2015-05-23 → 2026-07-30 · 2 obs

● 2015-05-23 00:18:32
● 2026-07-30 05:30:34

●MXaspmx3.googlemail.com2015-05-23 → 2026-07-30 · 2 obs

● 2015-05-23 00:18:32
● 2026-07-30 05:30:34

○MXbotmail.ap-northeast-1.recall.ai2026-02-19 → 2026-02-19 · 5 obs

○ 2015-05-23 00:18:32
● 2026-02-19 19:05:20
● 2026-02-19 23:52:44
○ 2026-02-20 10:00:34
○ 2026-07-30 05:30:34

○A13.227.173.1292026-07-26 → 2026-07-27 · 6 obs

○ 2026-07-26 07:22:26
● 2026-07-26 11:46:24
○ 2026-07-26 16:03:34
● 2026-07-27 03:01:08
○ 2026-07-27 09:55:24
○ 2026-07-30 05:30:34

○A13.227.173.552026-07-26 → 2026-07-27 · 6 obs

○ 2026-07-26 07:22:26
● 2026-07-26 11:46:24
○ 2026-07-26 16:03:34
● 2026-07-27 03:01:08
○ 2026-07-27 09:55:24
○ 2026-07-30 05:30:34

○A13.227.173.832026-07-26 → 2026-07-27 · 6 obs

○ 2026-07-26 07:22:26
● 2026-07-26 11:46:24
○ 2026-07-26 16:03:34
● 2026-07-27 03:01:08
○ 2026-07-27 09:55:24
○ 2026-07-30 05:30:34

○A13.227.173.882026-07-26 → 2026-07-27 · 6 obs

○ 2026-07-26 07:22:26
● 2026-07-26 11:46:24
○ 2026-07-26 16:03:34
● 2026-07-27 03:01:08
○ 2026-07-27 09:55:24
○ 2026-07-30 05:30:34

○A13.249.182.52026-07-03 → 2026-07-28 · 26 obs

○ 2026-07-03 08:09:46
● 2026-07-03 09:03:18
○ 2026-07-03 16:24:14
● 2026-07-03 17:17:00
○ 2026-07-03 20:46:52
● 2026-07-04 10:48:52
○ 2026-07-08 18:43:16
● 2026-07-10 07:29:00
○ 2026-07-10 12:45:36
● 2026-07-10 17:16:52
○ 2026-07-10 20:19:10
● 2026-07-11 04:26:40
○ 2026-07-11 07:59:12
● 2026-07-12 05:39:28
○ 2026-07-12 07:42:32
● 2026-07-13 02:43:36
○ 2026-07-13 05:21:56
● 2026-07-17 17:17:50
○ 2026-07-17 21:31:22
● 2026-07-23 17:55:02
○ 2026-07-24 18:23:30
● 2026-07-25 01:12:28
○ 2026-07-25 04:10:28
● 2026-07-28 09:01:08
○ 2026-07-28 18:14:16
○ 2026-07-30 05:30:34

○A13.249.182.532026-07-03 → 2026-07-28 · 26 obs

○A13.249.182.712026-07-03 → 2026-07-28 · 26 obs

○A13.249.182.822026-07-03 → 2026-07-28 · 26 obs

○A13.32.164.1142026-05-19 → 2026-07-01 · 21 obs

○ 2026-05-18 22:23:32
● 2026-05-19 09:06:12
● 2026-05-21 08:59:50
○ 2026-05-22 16:57:12
○ 2026-05-23 18:06:30
● 2026-05-24 14:03:48
● 2026-05-27 21:29:00
○ 2026-05-29 19:00:00
● 2026-05-30 10:52:26
● 2026-05-31 09:49:34
○ 2026-05-31 16:58:30
○ 2026-06-01 12:57:04
● 2026-06-01 15:34:52
● 2026-06-06 08:40:06
○ 2026-06-06 12:30:24
○ 2026-06-07 05:11:22
● 2026-06-07 19:27:12
○ 2026-06-08 01:58:08
● 2026-07-01 01:20:50
○ 2026-07-01 04:22:34
○ 2026-07-30 05:30:34

○A13.32.164.1232026-05-19 → 2026-07-01 · 21 obs

○A13.32.164.1282026-05-19 → 2026-07-01 · 21 obs

○A13.32.164.72026-05-19 → 2026-07-01 · 21 obs

○A13.33.109.172026-03-30 → 2026-05-12 · 19 obs

○ 2026-03-29 21:45:38
● 2026-03-30 02:10:02
○ 2026-03-30 03:43:26
○ 2026-04-23 09:08:34
● 2026-04-23 13:21:54
○ 2026-04-23 16:20:22
○ 2026-04-29 21:22:22
● 2026-04-30 17:01:32
○ 2026-04-30 17:49:54
○ 2026-05-03 10:45:18
● 2026-05-03 17:51:02
○ 2026-05-04 13:19:16
○ 2026-05-05 11:41:58
● 2026-05-06 00:36:34
○ 2026-05-06 13:58:54
○ 2026-05-12 14:35:00
● 2026-05-12 16:19:54
○ 2026-05-12 17:51:52
○ 2026-07-30 05:30:34

○A13.33.109.312026-03-30 → 2026-05-12 · 19 obs

○A13.33.109.792026-03-30 → 2026-05-12 · 19 obs

○A13.33.109.82026-03-30 → 2026-05-12 · 19 obs

○A13.33.82.1182026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-06 13:58:54
● 2026-05-07 11:59:48
○ 2026-05-07 16:00:38
○ 2026-07-30 05:30:34

○A13.33.82.222026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-06 13:58:54
● 2026-05-07 11:59:48
○ 2026-05-07 16:00:38
○ 2026-07-30 05:30:34

○A13.33.82.482026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-06 13:58:54
● 2026-05-07 11:59:48
○ 2026-05-07 16:00:38
○ 2026-07-30 05:30:34

○A13.33.82.502026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-06 13:58:54
● 2026-05-07 11:59:48
○ 2026-05-07 16:00:38
○ 2026-07-30 05:30:34

○A13.35.107.142026-04-16 → 2026-07-30 · 20 obs

○ 2026-04-14 16:31:38
● 2026-04-16 00:21:44
○ 2026-04-16 20:40:42
● 2026-07-14 00:14:42
○ 2026-07-14 05:20:38
● 2026-07-17 11:55:00
○ 2026-07-17 17:17:50
● 2026-07-18 04:28:32
○ 2026-07-18 17:49:18
● 2026-07-21 07:23:58
○ 2026-07-22 06:18:20
● 2026-07-25 04:10:28
○ 2026-07-25 20:41:14
● 2026-07-26 03:15:50
○ 2026-07-26 07:22:26
● 2026-07-27 09:55:24
○ 2026-07-27 22:18:16
● 2026-07-30 02:35:20
○ 2026-07-30 05:10:54
○ 2026-07-30 05:30:34

○A13.35.107.52026-04-16 → 2026-07-30 · 20 obs

○A13.35.107.62026-04-16 → 2026-07-30 · 20 obs

○A13.35.107.672026-04-16 → 2026-07-30 · 20 obs

○A176.32.88.1132015-12-16 → 2015-12-16 · 4 obs

○ 2015-10-09 02:03:20
● 2015-12-16 15:19:34
○ 2016-03-25 09:43:40
○ 2026-07-30 05:30:34

○A176.34.60.2172016-07-17 → 2016-07-17 · 4 obs

○ 2016-03-25 09:43:40
● 2016-07-17 11:46:04
○ 2026-02-15 09:20:02
○ 2026-07-30 05:30:34

○A18.160.10.442026-02-19 → 2026-07-11 · 30 obs

○ 2026-02-15 09:20:02
○ 2026-02-19 05:33:10
● 2026-02-19 19:05:20
○ 2026-02-19 23:52:44
○ 2026-02-20 17:50:38
● 2026-02-21 16:27:36
○ 2026-02-21 22:04:58
○ 2026-02-26 18:17:08
● 2026-02-27 01:41:52
● 2026-02-28 04:51:12
○ 2026-02-28 07:51:02
○ 2026-06-16 07:30:38
● 2026-06-17 04:52:00
● 2026-06-17 12:40:58
○ 2026-06-17 15:06:32
● 2026-06-24 05:45:04
○ 2026-06-24 08:01:06
● 2026-06-26 18:42:54
○ 2026-06-26 19:37:40
● 2026-06-27 07:11:26
○ 2026-06-27 07:42:04
● 2026-07-03 08:09:46
○ 2026-07-03 09:03:18
● 2026-07-04 08:06:50
○ 2026-07-04 10:48:52
● 2026-07-10 20:19:10
○ 2026-07-10 22:10:10
● 2026-07-11 02:40:02
○ 2026-07-11 04:26:40
○ 2026-07-30 05:30:34

○A18.160.10.472026-02-19 → 2026-07-11 · 30 obs

○A18.160.10.702026-02-19 → 2026-07-11 · 30 obs

○A18.160.10.852026-02-19 → 2026-07-11 · 30 obs

○A18.165.122.102026-03-22 → 2026-07-19 · 30 obs

○ 2026-03-14 15:53:50
● 2026-03-22 11:30:40
○ 2026-03-22 16:49:44
○ 2026-03-22 18:58:26
● 2026-03-22 21:11:08
○ 2026-03-23 09:33:24
○ 2026-03-24 16:01:06
● 2026-03-24 17:29:32
○ 2026-03-24 23:01:24
● 2026-03-25 14:31:18
○ 2026-03-25 15:40:04
● 2026-03-25 17:04:26
○ 2026-03-26 00:16:38
○ 2026-03-26 17:05:14
● 2026-03-26 17:44:36
● 2026-03-26 19:49:44
○ 2026-03-26 20:44:14
● 2026-07-12 07:42:32
○ 2026-07-12 12:20:10
● 2026-07-13 16:11:38
○ 2026-07-14 00:14:42
● 2026-07-14 12:13:36
○ 2026-07-15 05:33:56
● 2026-07-15 15:40:42
○ 2026-07-16 00:13:16
● 2026-07-18 17:49:18
○ 2026-07-18 19:30:54
● 2026-07-19 14:31:26
○ 2026-07-19 15:02:40
○ 2026-07-30 05:30:34

○A18.165.122.582026-03-22 → 2026-07-19 · 30 obs

○A18.165.122.642026-03-22 → 2026-07-19 · 30 obs

○A18.165.122.682026-03-22 → 2026-07-19 · 30 obs

○A18.165.43.1012026-03-30 → 2026-04-19 · 8 obs

○ 2026-03-30 03:43:26
● 2026-03-30 10:20:56
● 2026-03-30 12:56:44
○ 2026-03-30 13:30:32
○ 2026-04-19 21:31:14
● 2026-04-19 23:24:10
○ 2026-04-20 04:50:18
○ 2026-07-30 05:30:34

○A18.165.43.1102026-03-30 → 2026-04-19 · 8 obs

○ 2026-03-30 03:43:26
● 2026-03-30 10:20:56
● 2026-03-30 12:56:44
○ 2026-03-30 13:30:32
○ 2026-04-19 21:31:14
● 2026-04-19 23:24:10
○ 2026-04-20 04:50:18
○ 2026-07-30 05:30:34

○A18.165.43.742026-03-30 → 2026-04-19 · 8 obs

○ 2026-03-30 03:43:26
● 2026-03-30 10:20:56
● 2026-03-30 12:56:44
○ 2026-03-30 13:30:32
○ 2026-04-19 21:31:14
● 2026-04-19 23:24:10
○ 2026-04-20 04:50:18
○ 2026-07-30 05:30:34

○A18.165.43.972026-03-30 → 2026-04-19 · 8 obs

○ 2026-03-30 03:43:26
● 2026-03-30 10:20:56
● 2026-03-30 12:56:44
○ 2026-03-30 13:30:32
○ 2026-04-19 21:31:14
● 2026-04-19 23:24:10
○ 2026-04-20 04:50:18
○ 2026-07-30 05:30:34

○A18.239.36.1132026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-04 08:33:30
● 2026-04-05 16:28:06
○ 2026-04-05 17:38:06
○ 2026-07-30 05:30:34

○A18.239.36.142026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-04 08:33:30
● 2026-04-05 16:28:06
○ 2026-04-05 17:38:06
○ 2026-07-30 05:30:34

○A18.239.36.62026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-04 08:33:30
● 2026-04-05 16:28:06
○ 2026-04-05 17:38:06
○ 2026-07-30 05:30:34

○A18.239.36.892026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-04 08:33:30
● 2026-04-05 16:28:06
○ 2026-04-05 17:38:06
○ 2026-07-30 05:30:34

○A18.239.6.1062026-04-12 → 2026-05-07 · 8 obs

○ 2026-04-12 04:51:14
● 2026-04-12 10:52:32
○ 2026-04-12 13:05:06
○ 2026-05-07 11:59:48
● 2026-05-07 16:00:38
● 2026-05-07 16:36:22
○ 2026-05-07 19:17:30
○ 2026-07-30 05:30:34

○A18.239.6.182026-04-12 → 2026-05-07 · 8 obs

○ 2026-04-12 04:51:14
● 2026-04-12 10:52:32
○ 2026-04-12 13:05:06
○ 2026-05-07 11:59:48
● 2026-05-07 16:00:38
● 2026-05-07 16:36:22
○ 2026-05-07 19:17:30
○ 2026-07-30 05:30:34

○A18.239.6.192026-04-12 → 2026-05-07 · 8 obs

○ 2026-04-12 04:51:14
● 2026-04-12 10:52:32
○ 2026-04-12 13:05:06
○ 2026-05-07 11:59:48
● 2026-05-07 16:00:38
● 2026-05-07 16:36:22
○ 2026-05-07 19:17:30
○ 2026-07-30 05:30:34

○A18.239.6.272026-04-12 → 2026-05-07 · 8 obs

○ 2026-04-12 04:51:14
● 2026-04-12 10:52:32
○ 2026-04-12 13:05:06
○ 2026-05-07 11:59:48
● 2026-05-07 16:00:38
● 2026-05-07 16:36:22
○ 2026-05-07 19:17:30
○ 2026-07-30 05:30:34

○A18.245.218.1132026-02-16 → 2026-06-19 · 17 obs

○ 2026-02-15 09:20:02
● 2026-02-16 01:08:32
● 2026-02-16 22:29:24
○ 2026-02-17 13:27:50
○ 2026-03-02 16:36:34
● 2026-03-07 04:29:06
○ 2026-03-08 12:47:18
○ 2026-03-13 00:12:34
● 2026-03-13 13:01:12
● 2026-04-11 05:29:16
○ 2026-04-12 04:51:14
○ 2026-06-17 15:38:38
● 2026-06-18 05:08:42
○ 2026-06-18 16:30:32
● 2026-06-19 01:00:52
○ 2026-06-19 20:54:24
○ 2026-07-30 05:30:34

○A18.245.218.1162026-02-16 → 2026-06-19 · 17 obs

○A18.245.218.412026-02-16 → 2026-06-19 · 17 obs

○A18.245.218.662026-02-16 → 2026-06-19 · 17 obs

○A18.65.229.1052026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-21 22:04:58
● 2026-02-23 04:46:30
○ 2026-02-23 10:58:32
○ 2026-07-30 05:30:34

○A18.65.229.1062026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-21 22:04:58
● 2026-02-23 04:46:30
○ 2026-02-23 10:58:32
○ 2026-07-30 05:30:34

○A18.65.229.442026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-21 22:04:58
● 2026-02-23 04:46:30
○ 2026-02-23 10:58:32
○ 2026-07-30 05:30:34

○A18.65.229.632026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-21 22:04:58
● 2026-02-23 04:46:30
○ 2026-02-23 10:58:32
○ 2026-07-30 05:30:34

●A3.163.115.32026-03-28 → 2026-07-30 · 36 obs

○ 2026-03-28 15:34:18
● 2026-03-28 17:24:58
○ 2026-03-28 21:15:42
○ 2026-03-30 02:10:02
● 2026-03-30 03:43:26
○ 2026-03-31 10:15:58
○ 2026-04-02 17:02:24
● 2026-04-04 04:35:02
○ 2026-04-04 08:33:30
○ 2026-04-17 08:17:46
● 2026-04-17 10:07:36
○ 2026-04-19 12:02:06
○ 2026-05-21 08:59:50
● 2026-05-22 16:57:12
● 2026-05-23 12:59:14
○ 2026-05-23 17:33:08
● 2026-05-23 18:06:30
○ 2026-05-24 14:03:48
● 2026-06-24 08:01:06
○ 2026-06-24 16:29:02
● 2026-06-26 08:16:36
○ 2026-06-26 18:42:54
● 2026-06-27 01:02:34
○ 2026-06-27 07:11:26
● 2026-06-27 07:42:04
○ 2026-06-27 16:27:40
● 2026-06-28 01:14:04
○ 2026-06-28 19:48:06
● 2026-07-01 17:46:40
○ 2026-07-02 19:57:16
● 2026-07-26 22:43:42
○ 2026-07-27 03:01:08
● 2026-07-28 18:14:16
○ 2026-07-30 02:35:20
● 2026-07-30 05:10:54
● 2026-07-30 05:30:34

●A3.163.115.652026-03-28 → 2026-07-30 · 36 obs

●A3.163.115.682026-03-28 → 2026-07-30 · 36 obs

●A3.163.115.942026-03-28 → 2026-07-30 · 36 obs

○A3.164.36.1082026-06-01 → 2026-06-04 · 12 obs

○ 2026-06-01 08:25:40
● 2026-06-01 09:04:44
○ 2026-06-01 11:30:16
● 2026-06-01 12:57:04
○ 2026-06-01 15:34:52
○ 2026-06-02 12:11:52
● 2026-06-02 13:17:20
○ 2026-06-02 17:34:52
○ 2026-06-04 04:05:28
● 2026-06-04 12:05:32
○ 2026-06-04 16:55:18
○ 2026-07-30 05:30:34

○A3.164.36.452026-06-01 → 2026-06-04 · 12 obs

○A3.164.36.72026-06-01 → 2026-06-04 · 12 obs

○A3.164.36.982026-06-01 → 2026-06-04 · 12 obs

○A3.165.102.1142026-05-31 → 2026-06-06 · 8 obs

○ 2026-05-31 16:58:30
● 2026-05-31 23:34:04
● 2026-06-01 06:28:24
○ 2026-06-01 08:25:40
○ 2026-06-06 08:40:06
● 2026-06-06 12:30:24
○ 2026-06-07 05:11:22
○ 2026-07-30 05:30:34

○A3.165.102.1202026-05-31 → 2026-06-06 · 8 obs

○ 2026-05-31 16:58:30
● 2026-05-31 23:34:04
● 2026-06-01 06:28:24
○ 2026-06-01 08:25:40
○ 2026-06-06 08:40:06
● 2026-06-06 12:30:24
○ 2026-06-07 05:11:22
○ 2026-07-30 05:30:34

○A3.165.102.252026-05-31 → 2026-06-06 · 8 obs

○ 2026-05-31 16:58:30
● 2026-05-31 23:34:04
● 2026-06-01 06:28:24
○ 2026-06-01 08:25:40
○ 2026-06-06 08:40:06
● 2026-06-06 12:30:24
○ 2026-06-07 05:11:22
○ 2026-07-30 05:30:34

○A3.165.102.472026-05-31 → 2026-06-06 · 8 obs

○ 2026-05-31 16:58:30
● 2026-05-31 23:34:04
● 2026-06-01 06:28:24
○ 2026-06-01 08:25:40
○ 2026-06-06 08:40:06
● 2026-06-06 12:30:24
○ 2026-06-07 05:11:22
○ 2026-07-30 05:30:34

○A52.84.20.1072026-02-15 → 2026-03-28 · 19 obs

○ 2016-07-17 11:46:04
● 2026-02-15 09:20:02
○ 2026-02-16 01:08:32
○ 2026-02-16 22:29:24
● 2026-02-17 13:27:50
● 2026-02-19 05:33:10
○ 2026-02-19 19:05:20
○ 2026-02-24 11:30:00
● 2026-02-24 19:14:06
● 2026-02-26 16:21:46
○ 2026-02-26 18:17:08
○ 2026-03-09 15:03:04
● 2026-03-10 12:04:32
● 2026-03-11 21:49:54
○ 2026-03-12 15:21:14
○ 2026-03-28 07:01:24
● 2026-03-28 08:41:16
○ 2026-03-28 11:21:00
○ 2026-07-30 05:30:34

○A52.84.20.1252026-02-15 → 2026-03-28 · 19 obs

○A52.84.20.452026-02-15 → 2026-03-28 · 19 obs

○A52.84.20.462026-02-15 → 2026-03-28 · 19 obs

○A52.84.50.1242026-03-22 → 2026-03-22 · 5 obs

○ 2026-03-22 11:30:40
● 2026-03-22 16:49:44
● 2026-03-22 18:09:16
○ 2026-03-22 18:58:26
○ 2026-07-30 05:30:34

○A52.84.50.512026-03-22 → 2026-03-22 · 5 obs

○ 2026-03-22 11:30:40
● 2026-03-22 16:49:44
● 2026-03-22 18:09:16
○ 2026-03-22 18:58:26
○ 2026-07-30 05:30:34

○A52.84.50.582026-03-22 → 2026-03-22 · 5 obs

○ 2026-03-22 11:30:40
● 2026-03-22 16:49:44
● 2026-03-22 18:09:16
○ 2026-03-22 18:58:26
○ 2026-07-30 05:30:34

○A52.84.50.62026-03-22 → 2026-03-22 · 5 obs

○ 2026-03-22 11:30:40
● 2026-03-22 16:49:44
● 2026-03-22 18:09:16
○ 2026-03-22 18:58:26
○ 2026-07-30 05:30:34

○A52.85.78.152026-03-28 → 2026-07-27 · 64 obs

○ 2026-03-28 08:41:16
● 2026-03-28 11:21:00
● 2026-03-28 14:28:48
○ 2026-03-28 15:34:18
○ 2026-04-11 05:29:16
● 2026-04-12 04:51:14
○ 2026-04-14 16:31:38
○ 2026-04-23 16:20:22
● 2026-04-24 13:35:06
○ 2026-04-26 23:39:18
○ 2026-06-07 19:27:12
● 2026-06-10 02:55:26
○ 2026-06-11 16:46:42
○ 2026-06-17 12:40:58
● 2026-06-17 15:06:32
● 2026-06-17 15:38:38
○ 2026-06-18 05:08:42
● 2026-06-21 16:18:04
○ 2026-06-22 00:10:12
● 2026-07-01 04:22:34
○ 2026-07-01 17:46:40
● 2026-07-02 19:57:16
○ 2026-07-03 08:09:46
● 2026-07-03 16:24:14
○ 2026-07-03 17:17:00
● 2026-07-03 20:46:52
○ 2026-07-04 08:06:50
● 2026-07-08 18:43:16
○ 2026-07-10 07:29:00
● 2026-07-10 12:45:36
○ 2026-07-10 17:16:52
● 2026-07-10 22:10:10
○ 2026-07-11 02:40:02
● 2026-07-11 07:59:12
○ 2026-07-12 05:39:28
● 2026-07-12 12:20:10
○ 2026-07-13 02:43:36
● 2026-07-13 05:21:56
○ 2026-07-13 16:11:38
● 2026-07-14 05:20:38
○ 2026-07-14 12:13:36
● 2026-07-15 05:33:56
○ 2026-07-15 15:40:42
● 2026-07-16 00:13:16
○ 2026-07-17 11:55:00
● 2026-07-17 21:31:22
○ 2026-07-18 04:28:32
● 2026-07-18 19:30:54
○ 2026-07-19 14:31:26
● 2026-07-19 15:02:40
○ 2026-07-21 07:23:58
● 2026-07-22 06:18:20
○ 2026-07-23 17:55:02
● 2026-07-24 18:23:30
○ 2026-07-25 01:12:28
● 2026-07-25 20:41:14
○ 2026-07-26 03:15:50
● 2026-07-26 07:22:26
○ 2026-07-26 11:46:24
● 2026-07-26 16:03:34
○ 2026-07-26 22:43:42
● 2026-07-27 22:18:16
○ 2026-07-28 09:01:08
○ 2026-07-30 05:30:34

○A52.85.78.52026-03-28 → 2026-07-27 · 64 obs

○A52.85.78.522026-03-28 → 2026-07-27 · 64 obs

○A52.85.78.72026-03-28 → 2026-07-27 · 64 obs

○A54.230.201.1282026-04-23 → 2026-06-28 · 28 obs

○ 2026-04-20 04:50:18
● 2026-04-23 09:08:34
○ 2026-04-23 13:21:54
● 2026-04-23 16:20:22
○ 2026-04-24 13:35:06
○ 2026-04-28 21:13:14
● 2026-04-29 21:22:22
● 2026-05-18 18:30:02
○ 2026-05-18 22:23:32
○ 2026-06-10 02:55:26
● 2026-06-11 16:46:42
○ 2026-06-14 08:25:56
○ 2026-06-18 05:08:42
● 2026-06-18 16:30:32
○ 2026-06-19 01:00:52
● 2026-06-19 20:54:24
○ 2026-06-21 16:18:04
● 2026-06-22 00:10:12
○ 2026-06-24 05:45:04
● 2026-06-24 16:29:02
○ 2026-06-26 08:16:36
● 2026-06-26 19:37:40
○ 2026-06-27 01:02:34
● 2026-06-27 16:27:40
○ 2026-06-28 01:14:04
● 2026-06-28 19:48:06
○ 2026-07-01 01:20:50
○ 2026-07-30 05:30:34

○A54.230.201.22026-04-23 → 2026-06-28 · 28 obs

○A54.230.201.312026-04-23 → 2026-06-28 · 28 obs

○A54.230.201.762026-04-23 → 2026-06-28 · 28 obs

○A54.248.108.1102015-05-23 → 2015-05-23 · 3 obs

● 2015-05-23 00:18:32
○ 2015-10-09 02:03:20
○ 2026-07-30 05:30:34

○A54.248.125.1742016-03-25 → 2016-03-25 · 4 obs

○ 2015-12-16 15:19:34
● 2016-03-25 09:43:40
○ 2016-07-17 11:46:04
○ 2026-07-30 05:30:34

○A54.248.126.2242016-07-17 → 2016-07-17 · 4 obs

○ 2016-03-25 09:43:40
● 2016-07-17 11:46:04
○ 2026-02-15 09:20:02
○ 2026-07-30 05:30:34

○A54.248.229.2392015-10-09 → 2015-10-09 · 4 obs

○ 2015-05-23 00:18:32
● 2015-10-09 02:03:20
○ 2015-12-16 15:19:34
○ 2026-07-30 05:30:34

○A54.248.230.1632015-12-16 → 2015-12-16 · 4 obs

○ 2015-10-09 02:03:20
● 2015-12-16 15:19:34
○ 2016-03-25 09:43:40
○ 2026-07-30 05:30:34

○A54.248.236.142015-10-09 → 2015-10-09 · 4 obs

○ 2015-05-23 00:18:32
● 2015-10-09 02:03:20
○ 2015-12-16 15:19:34
○ 2026-07-30 05:30:34

○A54.248.239.952015-05-23 → 2015-05-23 · 3 obs

● 2015-05-23 00:18:32
○ 2015-10-09 02:03:20
○ 2026-07-30 05:30:34

○A54.248.96.342016-03-25 → 2016-03-25 · 4 obs

○ 2015-12-16 15:19:34
● 2016-03-25 09:43:40
○ 2016-07-17 11:46:04
○ 2026-07-30 05:30:34

○A99.84.234.1242026-03-08 → 2026-04-10 · 17 obs

○ 2026-03-07 04:29:06
● 2026-03-08 00:13:04
○ 2026-03-08 06:00:08
○ 2026-03-14 13:02:46
● 2026-03-14 14:35:24
○ 2026-03-14 15:53:50
○ 2026-03-29 06:37:46
● 2026-03-29 09:52:16
○ 2026-03-29 21:45:38
○ 2026-03-30 13:30:32
● 2026-03-30 15:21:32
○ 2026-03-30 18:42:46
○ 2026-04-10 13:33:22
● 2026-04-10 14:37:02
● 2026-04-10 15:08:06
○ 2026-04-10 22:12:16
○ 2026-07-30 05:30:34

○A99.84.234.132026-03-08 → 2026-04-10 · 17 obs

○A99.84.234.332026-03-08 → 2026-04-10 · 17 obs

○A99.84.234.382026-03-08 → 2026-04-10 · 17 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
studyplus.jp	ns-451.awsdns-56.com, ns-746.awsdns-29.net, ns-1359.awsdns-41.org, ns-1603.awsdns-08.co.uk	-

✅ Authoritative Response

Server:205.251.193.195

NS records: ns-451.awsdns-56.com, ns-746.awsdns-29.net, ns-1359.awsdns-41.org, ns-1603.awsdns-08.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyplus.jp (unsigned zone)

⏱️ Timing

Total: 1066ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.107.14, 13.35.107.6...`
NS	4	`ns-1359.awsdns-41.org, ns-1603.awsdns-08.co.uk...`
MX	5	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
TXT	5	`google-site-verification=PnpcSnXH2Z94Adc, google-site-verification=TsoePr6JXRevaMr...`
SOA	1	`ns-1359.awsdns-41.org awsdns-hostmaster.`

Analysis

Hierarchy

studyplus.jp is a parent domain; its children include app.studyplus.jp, s3-ssl.studyplus.jp, s3.studyplus.jp, external-api.studyplus.jp, www.studyplus.jp and a few other host names.

IP Addresses

studyplus.jp resolves to four IP addresses: 3.163.115.3, 3.163.115.65, 3.163.115.68 and 3.163.115.94.

lanieandmatt.com, australiantouring.com, dreamegg.kr and two other host names share IP numbers with studyplus.jp.

Name Servers

The authoritative name servers for studyplus.jp are ns-451.awsdns-56.com, ns-746.awsdns-29.net, ns-1359.awsdns-41.org and ns-1603.awsdns-08.co.uk.

studyplus.jp partially shares its NS delegation with several other domains, including df03c94nhr4m7.cloudfront.net, sangeet.cc, oneday-test02.com and two others.

ns-451.awsdns-56.com, ns-746.awsdns-29.net, ns-1359.awsdns-41.org and ns-1603.awsdns-08.co.uk each carry two IP addresses. ns-451.awsdns-56.com has 205.251.193.195 and 2600:9000:5301:c300::1; ns-746.awsdns-29.net has 205.251.194.234 and 2600:9000:5302:ea00::1; ns-1359.awsdns-41.org has 205.251.197.79 and 2600:9000:5305:4f00::1; ns-1603.awsdns-08.co.uk has 205.251.198.67 and 2600:9000:5306:4300::1.

Mail Servers

studyplus.jp is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

studyplus.jp has at least partial mail server overlap with other domains such as datasaur.ai, dacolindres.com, exbito.com and two more.

These mail servers commonly co-occur with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx2.googlemail.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com maps to two IP addresses — 142.251.163.27 and 2607:f8b0:4004:c1b::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.

These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 2a00:1450:400b:c02::1b IP addresses.