studyplus.jp - dns.ninja

`studyplus.jp`

DNSSEC	⚠️ Not signed
A	18.160.10.44^{🇺🇸 Amazon18.160.8.0/22}
		PTR	`server-18-160-10-44.iad12.r.cloudfront.net`
A	18.160.10.47^{🇺🇸 Amazon18.160.8.0/22}
A	18.160.10.70^{🇺🇸 Amazon18.160.8.0/22}
A	18.160.10.85^{🇺🇸 Amazon18.160.8.0/22}
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}
			PTR	`ns-1359.awsdns-41.org`
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}
			PTR	`ns-1603.awsdns-08.co.uk`
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:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.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::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
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}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
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=1781423102

rank #368140 globally
rank #6758 in the tld
📈 Tranco rank: #188,275

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

96 records (13 active, 83 former)

●NSns-1359.awsdns-41.org2015-05-23 → 2026-06-14 · 2 obs

● 2015-05-23 00:18:32
● 2026-06-14 08:26:00

●NSns-1603.awsdns-08.co.uk2015-05-23 → 2026-06-14 · 2 obs

● 2015-05-23 00:18:32
● 2026-06-14 08:26:00

●NSns-451.awsdns-56.com2015-05-23 → 2026-06-14 · 2 obs

● 2015-05-23 00:18:32
● 2026-06-14 08:26:00

●NSns-746.awsdns-29.net2015-05-23 → 2026-06-14 · 2 obs

● 2015-05-23 00:18:32
● 2026-06-14 08:26:00

●MXalt1.aspmx.l.google.com2015-05-23 → 2026-06-14 · 2 obs

● 2015-05-23 00:18:32
● 2026-06-14 08:26:00

●MXalt2.aspmx.l.google.com2015-05-23 → 2026-06-14 · 2 obs

● 2015-05-23 00:18:32
● 2026-06-14 08:26:00

●MXaspmx.l.google.com2015-05-23 → 2026-06-14 · 2 obs

● 2015-05-23 00:18:32
● 2026-06-14 08:26:00

●MXaspmx2.googlemail.com2015-05-23 → 2026-06-14 · 2 obs

● 2015-05-23 00:18:32
● 2026-06-14 08:26:00

●MXaspmx3.googlemail.com2015-05-23 → 2026-06-14 · 2 obs

● 2015-05-23 00:18:32
● 2026-06-14 08:26:00

○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
○ 2026-06-14 08:26:00

○A13.32.164.1142026-05-19 → 2026-06-07 · 25 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
● 2026-06-02 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
● 2026-06-06 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
○ 2026-06-14 08:26:00

○A13.32.164.1232026-05-19 → 2026-06-07 · 25 obs

○A13.32.164.1282026-05-19 → 2026-06-07 · 25 obs

○A13.32.164.72026-05-19 → 2026-06-07 · 25 obs

○A13.33.109.172026-03-30 → 2026-05-12 · 31 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
○ 2026-04-27 13:58:42
● 2026-04-27 15:37:02
○ 2026-04-27 20:06:50
○ 2026-04-29 06:38:06
● 2026-04-29 10:39:24
○ 2026-04-29 13:24:44
○ 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
○ 2026-05-06 23:18:00
● 2026-05-07 00:46:06
○ 2026-05-07 05:04:22
○ 2026-05-10 02:44:12
● 2026-05-10 05:17:02
○ 2026-05-10 16:47:36
○ 2026-05-12 14:35:00
● 2026-05-12 16:19:54
○ 2026-05-12 17:51:52
○ 2026-06-14 08:26:00

○A13.33.109.312026-03-30 → 2026-05-12 · 31 obs

○A13.33.109.792026-03-30 → 2026-05-12 · 31 obs

○A13.33.109.82026-03-30 → 2026-05-12 · 31 obs

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

○ 2026-05-07 09:29:48
● 2026-05-07 11:59:48
○ 2026-05-07 16:00:38
○ 2026-06-14 08:26:00

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

○ 2026-05-07 09:29:48
● 2026-05-07 11:59:48
○ 2026-05-07 16:00:38
○ 2026-06-14 08:26:00

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

○ 2026-05-07 09:29:48
● 2026-05-07 11:59:48
○ 2026-05-07 16:00:38
○ 2026-06-14 08:26:00

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

○ 2026-05-07 09:29:48
● 2026-05-07 11:59:48
○ 2026-05-07 16:00:38
○ 2026-06-14 08:26:00

○A13.35.107.142026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-15 14:26:02
● 2026-04-16 00:21:44
○ 2026-04-16 20:40:42
○ 2026-06-14 08:26:00

○A13.35.107.52026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-15 14:26:02
● 2026-04-16 00:21:44
○ 2026-04-16 20:40:42
○ 2026-06-14 08:26:00

○A13.35.107.62026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-15 14:26:02
● 2026-04-16 00:21:44
○ 2026-04-16 20:40:42
○ 2026-06-14 08:26:00

○A13.35.107.672026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-15 14:26:02
● 2026-04-16 00:21:44
○ 2026-04-16 20:40:42
○ 2026-06-14 08:26:00

○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
○ 2026-06-14 08:26:00

○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
○ 2026-06-14 08:26:00

●A18.160.10.442026-02-19 → 2026-06-14 · 82 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 10:00:34
○ 2026-02-20 17:50:38
● 2026-02-21 16:27:36
○ 2026-02-21 22:04:58
○ 2026-02-22 12:25:48
● 2026-02-22 13:58:02
○ 2026-02-22 17:35:04
○ 2026-02-26 18:17:08
● 2026-02-27 01:41:52
○ 2026-02-27 05:47:00
○ 2026-02-27 10:35:20
● 2026-02-27 14:55:20
● 2026-02-28 04:51:12
○ 2026-02-28 07:51:02
○ 2026-03-01 13:25:54
● 2026-03-01 16:54:08
○ 2026-03-01 23:33:52
● 2026-03-02 04:58:28
○ 2026-03-02 16:36:34
○ 2026-03-06 20:45:42
● 2026-03-07 00:12:10
● 2026-03-07 03:03:50
○ 2026-03-07 04:29:06
○ 2026-03-11 21:49:54
● 2026-03-12 15:21:14
○ 2026-03-12 18:27:50
● 2026-03-13 00:12:34
○ 2026-03-13 03:17:40
○ 2026-03-16 04:03:48
● 2026-03-16 07:47:12
○ 2026-03-16 12:01:20
● 2026-03-16 14:14:20
○ 2026-03-16 15:41:32
○ 2026-03-22 18:09:16
● 2026-03-22 18:58:26
○ 2026-03-22 21:11:08
○ 2026-03-24 04:21:52
● 2026-03-24 16:01:06
○ 2026-03-24 17:29:32
○ 2026-03-25 14:31:18
● 2026-03-25 15:40:04
○ 2026-03-25 17:04:26
○ 2026-03-26 03:33:10
● 2026-03-26 14:25:00
○ 2026-03-26 15:16:56
○ 2026-03-26 19:49:44
● 2026-03-26 20:44:14
○ 2026-03-26 22:53:48
○ 2026-03-27 02:18:04
● 2026-03-27 19:50:54
○ 2026-03-28 02:45:10
● 2026-03-28 07:01:24
○ 2026-03-28 08:41:16
○ 2026-03-30 12:56:44
● 2026-03-30 13:30:32
○ 2026-03-30 15:21:32
○ 2026-04-13 03:35:02
● 2026-04-13 08:05:38
○ 2026-04-13 12:04:58
● 2026-04-13 16:46:42
○ 2026-04-13 18:21:54
○ 2026-04-19 19:12:30
● 2026-04-19 21:31:14
○ 2026-04-19 23:24:10
● 2026-04-20 04:50:18
○ 2026-04-20 07:15:20
○ 2026-05-22 16:57:12
● 2026-05-23 03:12:48
○ 2026-05-23 05:17:28
○ 2026-05-23 12:59:14
● 2026-05-23 17:33:08
○ 2026-05-23 18:06:30
○ 2026-06-12 17:27:26
● 2026-06-13 01:49:46
○ 2026-06-13 02:22:28
○ 2026-06-13 21:40:54
● 2026-06-14 08:25:56
● 2026-06-14 08:26:00

●A18.160.10.472026-02-19 → 2026-06-14 · 82 obs

●A18.160.10.702026-02-19 → 2026-06-14 · 82 obs

●A18.160.10.852026-02-19 → 2026-06-14 · 82 obs

○A18.165.122.102026-03-22 → 2026-03-26 · 18 obs

○ 2026-03-21 06:36:20
● 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
○ 2026-06-14 08:26:00

○A18.165.122.582026-03-22 → 2026-03-26 · 18 obs

○A18.165.122.642026-03-22 → 2026-03-26 · 18 obs

○A18.165.122.682026-03-22 → 2026-03-26 · 18 obs

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

○ 2026-03-30 06:11:38
● 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
○ 2026-06-14 08:26:00

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

○ 2026-03-30 06:11:38
● 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
○ 2026-06-14 08:26:00

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

○ 2026-03-30 06:11:38
● 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
○ 2026-06-14 08:26:00

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

○ 2026-03-30 06:11:38
● 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
○ 2026-06-14 08:26:00

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

○ 2026-04-05 03:25:42
● 2026-04-05 16:28:06
○ 2026-04-05 17:38:06
○ 2026-06-14 08:26:00

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

○ 2026-04-05 03:25:42
● 2026-04-05 16:28:06
○ 2026-04-05 17:38:06
○ 2026-06-14 08:26:00

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

○ 2026-04-05 03:25:42
● 2026-04-05 16:28:06
○ 2026-04-05 17:38:06
○ 2026-06-14 08:26:00

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

○ 2026-04-05 03:25:42
● 2026-04-05 16:28:06
○ 2026-04-05 17:38:06
○ 2026-06-14 08:26:00

○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
○ 2026-06-14 08:26:00

○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
○ 2026-06-14 08:26:00

○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
○ 2026-06-14 08:26:00

○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
○ 2026-06-14 08:26:00

○A18.245.218.1132026-02-16 → 2026-04-22 · 161 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
○ 2026-02-18 15:37:24
● 2026-02-19 00:12:28
○ 2026-02-19 02:03:24
○ 2026-02-20 10:00:34
● 2026-02-20 17:50:38
○ 2026-02-21 16:27:36
○ 2026-02-22 13:58:02
● 2026-02-22 17:35:04
○ 2026-02-23 04:46:30
● 2026-02-23 10:58:32
○ 2026-02-23 18:15:58
● 2026-02-24 11:30:00
● 2026-02-24 12:55:04
○ 2026-02-24 19:14:06
○ 2026-02-26 16:21:46
● 2026-02-26 18:17:08
○ 2026-02-27 01:41:52
○ 2026-02-27 08:08:48
● 2026-02-27 10:35:20
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○ 2026-02-28 04:51:12
● 2026-02-28 07:51:02
● 2026-03-01 07:26:30
○ 2026-03-01 08:06:30
○ 2026-03-02 16:36:34
● 2026-03-02 21:42:48
● 2026-03-06 19:11:54
○ 2026-03-06 20:45:42
○ 2026-03-07 03:03:50
● 2026-03-07 04:29:06
○ 2026-03-07 11:07:56
○ 2026-03-08 00:13:04
● 2026-03-08 06:00:08
● 2026-03-08 12:01:38
○ 2026-03-08 12:47:18
○ 2026-03-08 20:54:18
● 2026-03-08 22:32:52
● 2026-03-09 15:03:04
○ 2026-03-09 20:00:36
○ 2026-03-10 12:04:32
● 2026-03-11 05:21:42
○ 2026-03-11 21:49:54
○ 2026-03-13 00:12:34
● 2026-03-13 03:17:40
● 2026-03-13 07:20:58
○ 2026-03-13 11:05:30
● 2026-03-13 13:01:12
○ 2026-03-13 20:33:14
○ 2026-03-14 02:15:00
● 2026-03-14 06:58:28
● 2026-03-14 12:20:24
○ 2026-03-14 13:02:46
○ 2026-03-14 14:35:24
● 2026-03-14 15:53:50
● 2026-03-15 06:45:00
○ 2026-03-15 21:54:14
● 2026-03-16 04:03:48
○ 2026-03-16 07:47:12
● 2026-03-16 12:01:20
○ 2026-03-16 14:14:20
● 2026-03-16 15:41:32
● 2026-03-17 00:38:34
○ 2026-03-17 02:16:50
○ 2026-03-17 04:40:08
● 2026-03-17 05:43:08
○ 2026-03-17 09:44:22
● 2026-03-17 11:15:06
● 2026-03-18 21:05:28
○ 2026-03-19 10:55:28
○ 2026-03-19 13:23:54
● 2026-03-19 19:17:52
○ 2026-03-20 08:07:10
● 2026-03-20 11:22:48
● 2026-03-21 06:36:20
○ 2026-03-22 11:30:40
○ 2026-03-22 21:11:08
● 2026-03-23 09:33:24
● 2026-03-24 04:21:52
○ 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 17:04:26
● 2026-03-26 00:16:38
● 2026-03-26 03:33:10
○ 2026-03-26 14:25:00
○ 2026-03-26 15:48:06
● 2026-03-26 17:05:14
○ 2026-03-26 17:44:36
○ 2026-03-26 20:44:14
● 2026-03-26 22:53:48
● 2026-03-27 02:18:04
○ 2026-03-27 19:50:54
● 2026-03-28 02:45:10
○ 2026-03-28 07:01:24
○ 2026-03-28 14:28:48
● 2026-03-28 15:34:18
○ 2026-03-28 17:24:58
○ 2026-03-28 21:15:42
● 2026-03-29 01:45:20
○ 2026-03-29 06:37:46
○ 2026-03-29 09:52:16
● 2026-03-29 21:45:38
○ 2026-03-30 02:10:02
○ 2026-03-31 07:18:10
● 2026-03-31 10:15:58
○ 2026-03-31 11:12:36
● 2026-04-01 01:49:42
● 2026-04-02 17:02:24
○ 2026-04-04 04:35:02
● 2026-04-04 08:33:30
● 2026-04-05 03:25:42
○ 2026-04-05 16:28:06
● 2026-04-05 17:38:06
○ 2026-04-05 20:33:42
● 2026-04-05 23:14:52
● 2026-04-07 14:47:34
○ 2026-04-08 02:36:18
● 2026-04-08 08:59:12
○ 2026-04-08 09:59:40
○ 2026-04-08 11:56:32
● 2026-04-08 22:16:58
● 2026-04-09 08:44:28
○ 2026-04-09 09:16:56
○ 2026-04-09 21:08:46
● 2026-04-10 00:06:40
● 2026-04-10 13:33:22
○ 2026-04-10 14:37:02
○ 2026-04-10 22:12:16
● 2026-04-10 22:58:52
● 2026-04-11 05:29:16
○ 2026-04-12 04:51:14
○ 2026-04-12 10:52:32
● 2026-04-12 13:05:06
● 2026-04-12 17:07:22
○ 2026-04-13 03:35:02
○ 2026-04-13 16:46:42
● 2026-04-13 18:21:54
○ 2026-04-13 20:11:04
● 2026-04-13 21:29:26
○ 2026-04-14 05:05:52
● 2026-04-14 16:31:38
● 2026-04-15 09:10:02
○ 2026-04-15 14:26:02
○ 2026-04-16 00:21:44
● 2026-04-16 20:40:42
● 2026-04-17 08:17:46
○ 2026-04-17 10:07:36
○ 2026-04-19 12:02:06
● 2026-04-19 13:18:34
● 2026-04-19 19:12:30
○ 2026-04-19 21:31:14
○ 2026-04-20 07:15:20
● 2026-04-20 22:06:02
● 2026-04-22 07:03:12
○ 2026-04-23 09:08:34
○ 2026-06-14 08:26:00

○A18.245.218.1162026-02-16 → 2026-04-22 · 161 obs

○A18.245.218.412026-02-16 → 2026-04-22 · 161 obs

○A18.245.218.662026-02-16 → 2026-04-22 · 161 obs

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

○ 2026-02-22 17:35:04
● 2026-02-23 04:46:30
○ 2026-02-23 10:58:32
○ 2026-06-14 08:26:00

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

○ 2026-02-22 17:35:04
● 2026-02-23 04:46:30
○ 2026-02-23 10:58:32
○ 2026-06-14 08:26:00

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

○ 2026-02-22 17:35:04
● 2026-02-23 04:46:30
○ 2026-02-23 10:58:32
○ 2026-06-14 08:26:00

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

○ 2026-02-22 17:35:04
● 2026-02-23 04:46:30
○ 2026-02-23 10:58:32
○ 2026-06-14 08:26:00

○A3.163.115.32026-03-28 → 2026-05-23 · 44 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
● 2026-03-30 06:11:38
○ 2026-03-30 10:20:56
○ 2026-03-30 15:21:32
● 2026-03-30 18:42:46
● 2026-03-31 07:18:10
○ 2026-03-31 10:15:58
○ 2026-04-02 17:02:24
● 2026-04-04 04:35:02
○ 2026-04-04 08:33:30
○ 2026-04-05 17:38:06
● 2026-04-05 20:33:42
○ 2026-04-05 23:14:52
○ 2026-04-07 14:47:34
● 2026-04-08 02:36:18
○ 2026-04-08 08:59:12
● 2026-04-08 09:59:40
● 2026-04-08 11:56:32
○ 2026-04-08 22:16:58
○ 2026-04-09 08:44:28
● 2026-04-09 09:16:56
○ 2026-04-09 18:57:08
○ 2026-04-17 08:17:46
● 2026-04-17 10:07:36
○ 2026-04-19 12:02:06
○ 2026-05-03 17:51:02
● 2026-05-04 13:19:16
○ 2026-05-04 13:49:24
○ 2026-05-07 05:04:22
● 2026-05-07 09:29:48
○ 2026-05-07 11:59:48
○ 2026-05-21 08:59:50
● 2026-05-22 16:57:12
○ 2026-05-23 03:12:48
○ 2026-05-23 05:17:28
● 2026-05-23 12:59:14
○ 2026-05-23 17:33:08
● 2026-05-23 18:06:30
○ 2026-05-24 14:03:48
○ 2026-06-14 08:26:00

○A3.163.115.652026-03-28 → 2026-05-23 · 44 obs

○A3.163.115.682026-03-28 → 2026-05-23 · 44 obs

○A3.163.115.942026-03-28 → 2026-05-23 · 44 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
○ 2026-06-14 08:26:00

○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
○ 2026-06-14 08:26:00

○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
○ 2026-06-14 08:26:00

○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
○ 2026-06-14 08:26:00

○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
○ 2026-06-14 08:26:00

○A52.84.20.1072026-02-15 → 2026-03-28 · 85 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
● 2026-02-18 15:37:24
○ 2026-02-19 00:12:28
● 2026-02-19 02:03:24
● 2026-02-19 05:33:10
○ 2026-02-19 19:05:20
● 2026-02-19 23:52:44
○ 2026-02-20 10:00:34
○ 2026-02-21 16:27:36
● 2026-02-21 22:04:58
● 2026-02-22 12:25:48
○ 2026-02-22 13:58:02
○ 2026-02-23 10:58:32
● 2026-02-23 18:15:58
○ 2026-02-24 11:30:00
○ 2026-02-24 12:55:04
● 2026-02-24 19:14:06
● 2026-02-26 16:21:46
○ 2026-02-26 18:17:08
○ 2026-02-27 01:41:52
● 2026-02-27 05:47:00
● 2026-02-27 08:08:48
○ 2026-02-27 10:35:20
○ 2026-03-01 07:26:30
● 2026-03-01 08:06:30
● 2026-03-01 13:25:54
○ 2026-03-01 16:54:08
● 2026-03-01 23:33:52
○ 2026-03-02 04:58:28
● 2026-03-02 16:36:34
○ 2026-03-02 21:42:48
○ 2026-03-06 19:11:54
● 2026-03-06 20:45:42
○ 2026-03-07 00:12:10
○ 2026-03-07 04:29:06
● 2026-03-07 11:07:56
○ 2026-03-08 00:13:04
○ 2026-03-08 12:01:38
● 2026-03-08 12:47:18
● 2026-03-08 20:54:18
○ 2026-03-08 22:32:52
○ 2026-03-09 15:03:04
● 2026-03-09 20:00:36
● 2026-03-10 12:04:32
○ 2026-03-11 05:21:42
● 2026-03-11 21:49:54
○ 2026-03-12 15:21:14
● 2026-03-12 18:27:50
○ 2026-03-13 00:12:34
○ 2026-03-13 07:20:58
● 2026-03-13 11:05:30
○ 2026-03-13 13:01:12
● 2026-03-13 20:33:14
● 2026-03-14 02:15:00
○ 2026-03-14 06:58:28
○ 2026-03-14 12:20:24
● 2026-03-14 13:02:46
○ 2026-03-14 14:35:24
○ 2026-03-15 06:45:00
● 2026-03-15 21:54:14
○ 2026-03-16 04:03:48
○ 2026-03-17 00:38:34
● 2026-03-17 02:16:50
● 2026-03-17 04:40:08
○ 2026-03-17 05:43:08
● 2026-03-17 09:44:22
○ 2026-03-17 11:15:06
○ 2026-03-18 21:05:28
● 2026-03-19 10:55:28
● 2026-03-19 13:23:54
○ 2026-03-19 19:17:52
● 2026-03-20 08:07:10
○ 2026-03-20 11:22:48
○ 2026-03-26 14:25:00
● 2026-03-26 15:16:56
● 2026-03-26 15:48:06
○ 2026-03-26 17:05:14
○ 2026-03-28 07:01:24
● 2026-03-28 08:41:16
○ 2026-03-28 11:21:00
○ 2026-06-14 08:26:00

○A52.84.20.1252026-02-15 → 2026-03-28 · 85 obs

○A52.84.20.452026-02-15 → 2026-03-28 · 85 obs

○A52.84.20.462026-02-15 → 2026-03-28 · 85 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
○ 2026-06-14 08:26:00

○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
○ 2026-06-14 08:26:00

○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
○ 2026-06-14 08:26:00

○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
○ 2026-06-14 08:26:00

○A52.85.78.152026-03-28 → 2026-06-13 · 118 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
○ 2026-03-28 17:24:58
● 2026-03-28 21:15:42
○ 2026-03-29 01:45:20
● 2026-03-29 06:37:46
○ 2026-03-29 09:52:16
○ 2026-03-31 10:15:58
● 2026-03-31 11:12:36
○ 2026-04-01 01:49:42
○ 2026-04-09 09:16:56
● 2026-04-09 18:57:08
● 2026-04-09 21:08:46
○ 2026-04-10 00:06:40
○ 2026-04-10 15:08:06
● 2026-04-10 22:12:16
○ 2026-04-10 22:58:52
○ 2026-04-11 05:29:16
● 2026-04-12 04:51:14
○ 2026-04-12 10:52:32
○ 2026-04-12 17:07:22
● 2026-04-13 03:35:02
○ 2026-04-13 08:05:38
● 2026-04-13 12:04:58
○ 2026-04-13 16:46:42
○ 2026-04-13 18:21:54
● 2026-04-13 20:11:04
○ 2026-04-13 21:29:26
● 2026-04-14 05:05:52
○ 2026-04-14 16:31:38
○ 2026-04-15 09:10:02
● 2026-04-15 14:26:02
○ 2026-04-16 00:21:44
○ 2026-04-17 10:07:36
● 2026-04-19 12:02:06
○ 2026-04-19 13:18:34
○ 2026-04-20 04:50:18
● 2026-04-20 07:15:20
○ 2026-04-20 22:06:02
○ 2026-04-23 16:20:22
● 2026-04-24 13:35:06
○ 2026-04-24 16:56:42
○ 2026-04-25 04:41:26
● 2026-04-25 16:27:18
● 2026-04-26 13:26:14
○ 2026-04-26 16:15:18
● 2026-04-26 19:44:26
○ 2026-04-26 23:39:18
● 2026-04-27 13:28:12
● 2026-04-27 13:58:42
○ 2026-04-27 15:37:02
○ 2026-04-28 01:19:08
● 2026-04-28 05:02:42
○ 2026-04-28 08:01:48
● 2026-04-28 21:13:14
○ 2026-04-29 00:53:08
● 2026-04-29 02:52:06
● 2026-04-29 06:38:06
○ 2026-04-29 10:39:24
○ 2026-05-04 13:49:24
● 2026-05-05 02:54:04
○ 2026-05-05 09:59:12
○ 2026-05-07 19:17:30
● 2026-05-08 02:58:20
○ 2026-05-08 04:19:00
○ 2026-05-08 16:43:42
● 2026-05-10 02:44:12
○ 2026-05-10 05:17:02
● 2026-05-10 16:47:36
○ 2026-05-10 20:31:38
○ 2026-05-11 12:16:00
● 2026-05-11 15:05:38
○ 2026-05-12 08:23:06
● 2026-05-12 14:35:00
○ 2026-05-12 16:19:54
○ 2026-05-12 17:51:52
● 2026-05-13 09:57:24
● 2026-05-13 12:44:56
○ 2026-05-13 13:25:12
○ 2026-05-14 18:05:44
● 2026-05-15 05:16:50
○ 2026-05-15 14:28:38
○ 2026-05-16 05:26:32
● 2026-05-16 13:54:40
● 2026-05-17 09:05:52
○ 2026-05-17 10:19:42
○ 2026-05-18 18:30:02
● 2026-05-18 22:23:32
○ 2026-05-19 09:06:12
○ 2026-05-23 03:12:48
● 2026-05-23 05:17:28
○ 2026-05-23 12:59:14
○ 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
○ 2026-05-31 23:34:04
○ 2026-06-01 06:28:24
● 2026-06-01 08:25:40
○ 2026-06-01 09:04:44
● 2026-06-01 11:30:16
○ 2026-06-01 12:57:04
○ 2026-06-06 12:30:24
● 2026-06-07 05:11:22
○ 2026-06-07 19:27:12
● 2026-06-08 01:58:08
● 2026-06-08 15:04:24
○ 2026-06-09 16:28:24
● 2026-06-09 19:14:06
● 2026-06-10 02:55:26
○ 2026-06-11 16:46:42
○ 2026-06-13 01:49:46
● 2026-06-13 02:22:28
○ 2026-06-13 12:53:24
○ 2026-06-14 08:26:00

○A52.85.78.52026-03-28 → 2026-06-13 · 118 obs

○A52.85.78.522026-03-28 → 2026-06-13 · 118 obs

○A52.85.78.72026-03-28 → 2026-06-13 · 118 obs

○A54.230.201.1282026-04-23 → 2026-06-13 · 77 obs

○ 2026-04-22 07:03:12
● 2026-04-23 09:08:34
○ 2026-04-23 13:21:54
● 2026-04-23 16:20:22
○ 2026-04-24 13:35:06
● 2026-04-24 16:56:42
● 2026-04-25 04:41:26
○ 2026-04-25 16:27:18
○ 2026-04-26 13:26:14
● 2026-04-26 16:15:18
○ 2026-04-26 19:44:26
● 2026-04-26 23:39:18
○ 2026-04-27 13:28:12
○ 2026-04-27 15:37:02
● 2026-04-27 20:06:50
● 2026-04-28 01:19:08
○ 2026-04-28 05:02:42
● 2026-04-28 08:01:48
○ 2026-04-28 21:13:14
● 2026-04-29 00:53:08
○ 2026-04-29 02:52:06
○ 2026-04-29 10:39:24
● 2026-04-29 13:24:44
● 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
● 2026-05-04 13:49:24
○ 2026-05-05 02:54:04
● 2026-05-05 09:59:12
● 2026-05-05 11:41:58
○ 2026-05-06 00:36:34
● 2026-05-06 13:58:54
● 2026-05-06 23:18:00
○ 2026-05-07 00:46:06
● 2026-05-07 05:04:22
○ 2026-05-07 09:29:48
○ 2026-05-07 16:36:22
● 2026-05-07 19:17:30
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○A54.230.201.22026-04-23 → 2026-06-13 · 77 obs

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🔍 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:205.251.198.67

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: 1712ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.160.10.70, 18.160.10.47...`
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 points to four IP numbers: 18.160.10.44, 18.160.10.47, 18.160.10.70 and 18.160.10.85.

Name Servers

studyplus.jp is delegated to four name servers, 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::1a.

aspmx3.googlemail.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com maps to two IP addresses — 142.251.163.27 and 2607:f8b0:4004:c0b::1b.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1b.

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

These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 108.177.123.27 IP addresses.

These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 172.253.116.26 IP addresses.