studywalker.jp - dns.ninja

`studywalker.jp`

DNSSEC	⚠️ Not signed
A	52.85.47.32^{🇺🇸 Amazon52.84.0.0/14}
		PTR	`server-52-85-47-32.lhr86.r.cloudfront.net`
A	52.85.47.55^{🇺🇸 Amazon52.84.0.0/14}
A	52.85.47.89^{🇺🇸 Amazon52.84.0.0/14}
A	52.85.47.108^{🇺🇸 Amazon52.84.0.0/14}
NS	`ns-19.awsdns-02.com` ⭐
		A	2600:9000:5300:1300::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-19.awsdns-02.com`
		A	205.251.192.19^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-19.awsdns-02.com`
NS	`ns-1345.awsdns-40.org`
		A	2600:9000:5305:4100::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1345.awsdns-40.org`
		A	205.251.197.65^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1345.awsdns-40.org`
NS	`ns-2040.awsdns-63.co.uk`
		A	2600:9000:5307:f800::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2040.awsdns-63.co.uk`
		A	205.251.199.248^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2040.awsdns-63.co.uk`
NS	`ns-721.awsdns-26.net`
		A	2600:9000:5302:d100::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-721.awsdns-26.net`
		A	205.251.194.209^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-721.awsdns-26.net`
SOA	`ns-19.awsdns-02.com`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=1782202503

Same first word

studywalker.jp

DNS History

152 records (8 active, 144 former)

●NSns-1345.awsdns-40.org2018-08-16 → 2026-06-23 · 2 obs

● 2018-08-16 14:28:12
● 2026-06-23 08:29:22

●NSns-19.awsdns-02.com2018-08-16 → 2026-06-23 · 2 obs

● 2018-08-16 14:28:12
● 2026-06-23 08:29:22

●NSns-2040.awsdns-63.co.uk2018-08-16 → 2026-06-23 · 2 obs

● 2018-08-16 14:28:12
● 2026-06-23 08:29:22

●NSns-721.awsdns-26.net2018-08-16 → 2026-06-23 · 2 obs

● 2018-08-16 14:28:12
● 2026-06-23 08:29:22

○A108.139.113.1112026-04-08 → 2026-04-08 · 4 obs

○ 2026-04-05 00:09:58
● 2026-04-08 05:13:54
○ 2026-04-08 09:12:52
○ 2026-06-23 08:29:22

○A108.139.113.442026-04-08 → 2026-04-08 · 4 obs

○ 2026-04-05 00:09:58
● 2026-04-08 05:13:54
○ 2026-04-08 09:12:52
○ 2026-06-23 08:29:22

○A108.139.113.612026-04-08 → 2026-04-08 · 4 obs

○ 2026-04-05 00:09:58
● 2026-04-08 05:13:54
○ 2026-04-08 09:12:52
○ 2026-06-23 08:29:22

○A108.139.113.812026-04-08 → 2026-04-08 · 4 obs

○ 2026-04-05 00:09:58
● 2026-04-08 05:13:54
○ 2026-04-08 09:12:52
○ 2026-06-23 08:29:22

○A108.139.119.1112026-04-08 → 2026-06-06 · 18 obs

○ 2026-04-08 05:13:54
● 2026-04-08 09:12:52
○ 2026-04-08 13:14:04
○ 2026-04-11 02:33:30
● 2026-04-11 14:25:30
○ 2026-04-11 17:52:38
○ 2026-04-16 16:16:30
● 2026-04-17 04:26:56
○ 2026-04-18 04:36:50
○ 2026-04-19 18:31:26
● 2026-04-20 05:07:24
○ 2026-04-20 20:29:00
○ 2026-06-06 15:09:52
● 2026-06-06 16:44:20
○ 2026-06-06 19:23:48
● 2026-06-06 22:44:04
○ 2026-06-06 23:33:00
○ 2026-06-23 08:29:22

○A108.139.119.252026-04-08 → 2026-06-06 · 18 obs

○A108.139.119.92026-04-08 → 2026-06-06 · 18 obs

○A108.139.119.932026-04-08 → 2026-06-06 · 18 obs

○A108.156.39.1052026-02-16 → 2026-03-24 · 16 obs

○ 2026-02-15 21:07:22
● 2026-02-16 00:02:00
● 2026-02-16 02:13:40
○ 2026-02-16 05:34:02
● 2026-02-16 10:20:34
○ 2026-02-16 13:38:12
○ 2026-03-16 04:40:08
● 2026-03-17 04:51:00
○ 2026-03-17 09:24:02
○ 2026-03-20 19:51:36
● 2026-03-20 22:06:02
○ 2026-03-21 12:25:00
○ 2026-03-24 05:37:28
● 2026-03-24 12:15:26
○ 2026-03-24 15:47:04
○ 2026-06-23 08:29:22

○A108.156.39.1072026-02-16 → 2026-03-24 · 16 obs

○A108.156.39.192026-02-16 → 2026-03-24 · 16 obs

○A108.156.39.972026-02-16 → 2026-03-24 · 16 obs

○A108.159.227.182026-05-20 → 2026-05-21 · 7 obs

○ 2026-05-20 14:14:56
● 2026-05-20 21:12:48
○ 2026-05-20 22:50:40
● 2026-05-21 00:59:06
● 2026-05-21 03:07:46
○ 2026-05-21 21:40:34
○ 2026-06-23 08:29:22

○A108.159.227.532026-05-20 → 2026-05-21 · 7 obs

○ 2026-05-20 14:14:56
● 2026-05-20 21:12:48
○ 2026-05-20 22:50:40
● 2026-05-21 00:59:06
● 2026-05-21 03:07:46
○ 2026-05-21 21:40:34
○ 2026-06-23 08:29:22

○A108.159.227.712026-05-20 → 2026-05-21 · 7 obs

○ 2026-05-20 14:14:56
● 2026-05-20 21:12:48
○ 2026-05-20 22:50:40
● 2026-05-21 00:59:06
● 2026-05-21 03:07:46
○ 2026-05-21 21:40:34
○ 2026-06-23 08:29:22

○A108.159.227.762026-05-20 → 2026-05-21 · 7 obs

○ 2026-05-20 14:14:56
● 2026-05-20 21:12:48
○ 2026-05-20 22:50:40
● 2026-05-21 00:59:06
● 2026-05-21 03:07:46
○ 2026-05-21 21:40:34
○ 2026-06-23 08:29:22

○A13.224.252.132026-04-29 → 2026-06-14 · 18 obs

○ 2026-04-27 21:08:48
● 2026-04-29 09:08:54
○ 2026-04-29 09:54:06
● 2026-04-29 10:50:34
○ 2026-04-29 12:48:50
○ 2026-05-22 13:07:22
● 2026-05-23 10:15:26
○ 2026-05-24 00:34:12
○ 2026-05-31 00:18:06
● 2026-06-01 09:53:40
○ 2026-06-02 01:57:18
○ 2026-06-08 07:25:42
● 2026-06-08 22:26:50
○ 2026-06-09 23:42:20
○ 2026-06-14 13:43:16
● 2026-06-14 14:24:28
○ 2026-06-14 19:46:18
○ 2026-06-23 08:29:22

○A13.224.252.172026-04-29 → 2026-06-14 · 18 obs

○A13.224.252.342026-04-29 → 2026-06-14 · 18 obs

○A13.224.252.482026-04-29 → 2026-06-14 · 18 obs

○A13.224.95.332026-02-20 → 2026-03-25 · 18 obs

○ 2026-02-20 05:54:22
● 2026-02-20 06:39:36
○ 2026-02-20 11:01:14
○ 2026-02-20 22:55:18
● 2026-02-21 09:59:24
○ 2026-02-24 06:53:46
● 2026-02-28 00:05:18
○ 2026-03-03 00:25:38
○ 2026-03-07 03:38:08
● 2026-03-07 23:46:38
● 2026-03-18 10:34:00
○ 2026-03-19 14:11:52
○ 2026-03-23 01:08:52
● 2026-03-25 11:02:30
○ 2026-03-25 12:03:40
● 2026-03-25 16:46:32
○ 2026-03-25 20:19:30
○ 2026-06-23 08:29:22

○A13.224.95.382026-02-20 → 2026-03-25 · 18 obs

○A13.224.95.642026-02-20 → 2026-03-25 · 18 obs

○A13.224.95.962026-02-20 → 2026-03-25 · 18 obs

○A13.225.107.1142026-03-30 → 2026-04-27 · 18 obs

○ 2026-03-30 03:41:08
● 2026-03-30 06:48:56
○ 2026-03-30 07:34:28
○ 2026-03-30 21:11:14
● 2026-03-31 00:15:04
○ 2026-03-31 06:40:56
● 2026-03-31 11:25:52
○ 2026-03-31 18:16:04
○ 2026-04-04 12:06:22
● 2026-04-04 22:51:40
○ 2026-04-05 00:09:58
○ 2026-04-21 02:09:08
● 2026-04-21 07:24:42
○ 2026-04-21 14:39:22
○ 2026-04-27 12:57:54
● 2026-04-27 13:49:50
○ 2026-04-27 21:08:48
○ 2026-06-23 08:29:22

○A13.225.107.1272026-03-30 → 2026-04-27 · 18 obs

○A13.225.107.252026-03-30 → 2026-04-27 · 18 obs

○A13.225.107.492026-03-30 → 2026-04-27 · 18 obs

○A13.227.107.1072026-03-28 → 2026-04-24 · 7 obs

○ 2026-03-27 17:55:56
● 2026-03-28 12:33:00
○ 2026-03-30 03:06:34
○ 2026-04-24 00:33:42
● 2026-04-24 09:57:10
○ 2026-04-24 11:16:18
○ 2026-06-23 08:29:22

○A13.227.107.442026-03-28 → 2026-04-24 · 7 obs

○ 2026-03-27 17:55:56
● 2026-03-28 12:33:00
○ 2026-03-30 03:06:34
○ 2026-04-24 00:33:42
● 2026-04-24 09:57:10
○ 2026-04-24 11:16:18
○ 2026-06-23 08:29:22

○A13.227.107.802026-03-28 → 2026-04-24 · 7 obs

○ 2026-03-27 17:55:56
● 2026-03-28 12:33:00
○ 2026-03-30 03:06:34
○ 2026-04-24 00:33:42
● 2026-04-24 09:57:10
○ 2026-04-24 11:16:18
○ 2026-06-23 08:29:22

○A13.227.107.972026-03-28 → 2026-04-24 · 7 obs

○ 2026-03-27 17:55:56
● 2026-03-28 12:33:00
○ 2026-03-30 03:06:34
○ 2026-04-24 00:33:42
● 2026-04-24 09:57:10
○ 2026-04-24 11:16:18
○ 2026-06-23 08:29:22

○A13.227.110.102026-06-06 → 2026-06-06 · 4 obs

○ 2026-06-05 08:31:24
● 2026-06-06 01:14:30
○ 2026-06-06 06:12:04
○ 2026-06-23 08:29:22

○A13.227.110.1272026-06-06 → 2026-06-06 · 4 obs

○ 2026-06-05 08:31:24
● 2026-06-06 01:14:30
○ 2026-06-06 06:12:04
○ 2026-06-23 08:29:22

○A13.227.110.162026-06-06 → 2026-06-06 · 4 obs

○ 2026-06-05 08:31:24
● 2026-06-06 01:14:30
○ 2026-06-06 06:12:04
○ 2026-06-23 08:29:22

○A13.227.110.972026-06-06 → 2026-06-06 · 4 obs

○ 2026-06-05 08:31:24
● 2026-06-06 01:14:30
○ 2026-06-06 06:12:04
○ 2026-06-23 08:29:22

○A13.32.164.1232026-05-21 → 2026-06-08 · 16 obs

○ 2026-05-21 03:07:46
● 2026-05-21 21:40:34
● 2026-05-21 23:50:28
○ 2026-05-22 08:20:20
○ 2026-05-27 14:57:02
● 2026-05-28 09:33:30
○ 2026-05-29 08:52:22
○ 2026-06-02 19:02:38
● 2026-06-03 12:27:48
● 2026-06-04 19:29:30
○ 2026-06-05 05:03:56
○ 2026-06-07 07:14:32
● 2026-06-07 15:32:18
● 2026-06-08 07:25:42
○ 2026-06-08 12:29:16
○ 2026-06-23 08:29:22

○A13.32.164.432026-05-21 → 2026-06-08 · 16 obs

○A13.32.164.652026-05-21 → 2026-06-08 · 16 obs

○A13.32.164.832026-05-21 → 2026-06-08 · 16 obs

○A13.32.205.1692018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A13.32.205.1892018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A13.32.205.212018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A13.32.205.592018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A13.33.109.1072026-05-10 → 2026-05-20 · 16 obs

○ 2026-05-10 13:05:40
● 2026-05-10 16:43:02
○ 2026-05-11 00:52:44
○ 2026-05-13 01:22:10
● 2026-05-13 05:09:06
○ 2026-05-13 13:51:44
○ 2026-05-15 04:19:06
● 2026-05-15 09:03:18
○ 2026-05-15 14:31:28
○ 2026-05-18 03:40:04
● 2026-05-18 13:26:04
○ 2026-05-18 16:33:08
○ 2026-05-20 21:12:48
● 2026-05-20 22:50:40
○ 2026-05-21 00:59:06
○ 2026-06-23 08:29:22

○A13.33.109.1192026-05-10 → 2026-05-20 · 16 obs

○A13.33.109.1292026-05-10 → 2026-05-20 · 16 obs

○A13.33.109.892026-05-10 → 2026-05-20 · 16 obs

○A13.33.82.1142026-04-23 → 2026-05-09 · 18 obs

○ 2026-04-22 17:56:48
● 2026-04-23 00:34:50
○ 2026-04-23 01:15:28
○ 2026-04-23 17:28:40
● 2026-04-24 00:33:42
○ 2026-04-24 09:57:10
● 2026-04-25 00:50:42
○ 2026-04-25 09:49:04
○ 2026-05-04 18:24:46
● 2026-05-05 07:03:34
○ 2026-05-05 09:59:28
○ 2026-05-05 22:48:10
● 2026-05-06 09:37:48
○ 2026-05-06 14:14:04
○ 2026-05-08 23:22:42
● 2026-05-09 00:35:02
○ 2026-05-09 02:30:28
○ 2026-06-23 08:29:22

○A13.33.82.1192026-04-23 → 2026-05-09 · 18 obs

○A13.33.82.372026-04-23 → 2026-05-09 · 18 obs

○A13.33.82.782026-04-23 → 2026-05-09 · 18 obs

○A13.35.36.1272026-05-30 → 2026-06-06 · 11 obs

○ 2026-05-30 00:04:44
● 2026-05-30 06:38:38
○ 2026-05-30 11:36:16
○ 2026-06-01 04:04:14
● 2026-06-01 05:10:40
○ 2026-06-01 07:16:58
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● 2026-06-06 11:58:56
● 2026-06-06 15:09:52
○ 2026-06-06 16:44:20
○ 2026-06-23 08:29:22

○A13.35.36.1282026-05-30 → 2026-06-06 · 11 obs

○A13.35.36.352026-05-30 → 2026-06-06 · 11 obs

○A13.35.36.732026-05-30 → 2026-06-06 · 11 obs

○A13.35.8.182018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A13.35.8.242018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A13.35.8.492018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A13.35.8.792018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A18.154.206.1102026-02-15 → 2026-03-20 · 17 obs

○ 2018-08-16 14:28:12
● 2026-02-15 03:53:48
○ 2026-02-15 21:07:22
○ 2026-02-16 02:13:40
● 2026-02-16 05:34:02
● 2026-02-17 02:00:46
○ 2026-02-18 11:33:58
● 2026-02-19 13:04:06
○ 2026-02-20 03:15:54
○ 2026-02-22 22:49:48
● 2026-02-24 06:53:46
○ 2026-02-25 11:28:36
○ 2026-03-18 10:34:00
● 2026-03-19 14:11:52
● 2026-03-20 19:51:36
○ 2026-03-20 22:06:02
○ 2026-06-23 08:29:22

○A18.154.206.1152026-02-15 → 2026-03-20 · 17 obs

○A18.154.206.162026-02-15 → 2026-03-20 · 17 obs

○A18.154.206.882026-02-15 → 2026-03-20 · 17 obs

○A18.165.160.1202026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 12:25:00
● 2026-03-22 11:00:06
○ 2026-03-22 21:44:32
○ 2026-06-23 08:29:22

○A18.165.160.452026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 12:25:00
● 2026-03-22 11:00:06
○ 2026-03-22 21:44:32
○ 2026-06-23 08:29:22

○A18.165.160.672026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 12:25:00
● 2026-03-22 11:00:06
○ 2026-03-22 21:44:32
○ 2026-06-23 08:29:22

○A18.165.160.902026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 12:25:00
● 2026-03-22 11:00:06
○ 2026-03-22 21:44:32
○ 2026-06-23 08:29:22

○A18.173.166.252026-06-17 → 2026-06-21 · 14 obs

○ 2026-06-14 19:46:18
● 2026-06-17 13:15:36
● 2026-06-17 14:26:04
○ 2026-06-17 15:04:50
○ 2026-06-17 23:02:08
● 2026-06-18 02:47:20
○ 2026-06-18 03:26:04
● 2026-06-18 04:02:52
○ 2026-06-18 06:37:40
● 2026-06-21 11:36:50
○ 2026-06-21 12:39:34
● 2026-06-21 13:43:10
○ 2026-06-21 15:00:20
○ 2026-06-23 08:29:22

○A18.173.166.642026-06-17 → 2026-06-21 · 14 obs

○A18.173.166.662026-06-17 → 2026-06-21 · 14 obs

○A18.173.166.882026-06-17 → 2026-06-21 · 14 obs

○A18.239.168.1032026-05-11 → 2026-05-11 · 4 obs

○ 2026-05-11 00:52:44
● 2026-05-11 07:06:34
○ 2026-05-11 07:38:14
○ 2026-06-23 08:29:22

○A18.239.168.272026-05-11 → 2026-05-11 · 4 obs

○ 2026-05-11 00:52:44
● 2026-05-11 07:06:34
○ 2026-05-11 07:38:14
○ 2026-06-23 08:29:22

○A18.239.168.582026-05-11 → 2026-05-11 · 4 obs

○ 2026-05-11 00:52:44
● 2026-05-11 07:06:34
○ 2026-05-11 07:38:14
○ 2026-06-23 08:29:22

○A18.239.168.962026-05-11 → 2026-05-11 · 4 obs

○ 2026-05-11 00:52:44
● 2026-05-11 07:06:34
○ 2026-05-11 07:38:14
○ 2026-06-23 08:29:22

○A3.164.206.1022026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-24 15:47:04
● 2026-03-24 23:18:30
○ 2026-03-25 00:41:44
○ 2026-06-23 08:29:22

○A3.164.206.1142026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-24 15:47:04
● 2026-03-24 23:18:30
○ 2026-03-25 00:41:44
○ 2026-06-23 08:29:22

○A3.164.206.492026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-24 15:47:04
● 2026-03-24 23:18:30
○ 2026-03-25 00:41:44
○ 2026-06-23 08:29:22

○A3.164.206.662026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-24 15:47:04
● 2026-03-24 23:18:30
○ 2026-03-25 00:41:44
○ 2026-06-23 08:29:22

○A3.164.36.1262026-05-27 → 2026-06-05 · 17 obs

○ 2026-05-27 05:50:50
● 2026-05-27 14:57:02
○ 2026-05-28 09:33:30
● 2026-05-29 08:52:22
● 2026-05-29 18:06:06
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● 2026-06-05 06:41:22
○ 2026-06-05 08:31:24
○ 2026-06-23 08:29:22

○A3.164.36.332026-05-27 → 2026-06-05 · 17 obs

○A3.164.36.532026-05-27 → 2026-06-05 · 17 obs

○A3.164.36.62026-05-27 → 2026-06-05 · 17 obs

○A3.167.152.1162026-05-19 → 2026-05-20 · 7 obs

○ 2026-05-19 09:19:08
● 2026-05-19 22:30:10
○ 2026-05-19 23:35:58
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● 2026-05-20 14:14:56
○ 2026-05-20 21:12:48
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○A3.167.152.1222026-05-19 → 2026-05-20 · 7 obs

○ 2026-05-19 09:19:08
● 2026-05-19 22:30:10
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● 2026-05-20 14:14:56
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○A3.167.152.622026-05-19 → 2026-05-20 · 7 obs

○ 2026-05-19 09:19:08
● 2026-05-19 22:30:10
○ 2026-05-19 23:35:58
○ 2026-05-20 07:14:02
● 2026-05-20 14:14:56
○ 2026-05-20 21:12:48
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○A3.167.152.972026-05-19 → 2026-05-20 · 7 obs

○ 2026-05-19 09:19:08
● 2026-05-19 22:30:10
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● 2026-05-20 14:14:56
○ 2026-05-20 21:12:48
○ 2026-06-23 08:29:22

○A3.171.117.162026-02-15 → 2026-02-15 · 4 obs

○ 2026-02-15 03:53:48
● 2026-02-15 21:07:22
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○ 2026-06-23 08:29:22

○A3.171.117.282026-02-15 → 2026-02-15 · 4 obs

○ 2026-02-15 03:53:48
● 2026-02-15 21:07:22
○ 2026-02-16 00:02:00
○ 2026-06-23 08:29:22

○A3.171.117.362026-02-15 → 2026-02-15 · 4 obs

○ 2026-02-15 03:53:48
● 2026-02-15 21:07:22
○ 2026-02-16 00:02:00
○ 2026-06-23 08:29:22

○A3.171.117.62026-02-15 → 2026-02-15 · 4 obs

○ 2026-02-15 03:53:48
● 2026-02-15 21:07:22
○ 2026-02-16 00:02:00
○ 2026-06-23 08:29:22

○A3.171.61.1282026-02-20 → 2026-06-22 · 27 obs

○ 2026-02-15 03:53:48
○ 2026-02-19 13:04:06
● 2026-02-20 03:15:54
● 2026-02-20 05:54:22
○ 2026-02-20 06:39:36
○ 2026-05-24 09:57:36
● 2026-05-25 20:33:24
○ 2026-05-26 12:18:38
○ 2026-06-17 21:34:12
● 2026-06-20 01:57:00
● 2026-06-21 00:57:48
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● 2026-06-21 07:07:32
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● 2026-06-21 12:39:34
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● 2026-06-21 15:00:20
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● 2026-06-21 17:56:08
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● 2026-06-22 00:14:38
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● 2026-06-22 06:30:34
○ 2026-06-22 08:48:22
● 2026-06-22 10:39:30
○ 2026-06-22 12:31:30
○ 2026-06-23 08:29:22

○A3.171.61.632026-02-20 → 2026-06-22 · 27 obs

○A3.171.61.952026-02-20 → 2026-06-22 · 27 obs

○A3.171.61.972026-02-20 → 2026-06-22 · 27 obs

○A3.174.113.1102026-03-22 → 2026-03-27 · 16 obs

○ 2026-03-22 11:00:06
● 2026-03-22 21:44:32
○ 2026-03-22 22:37:08
○ 2026-03-25 01:22:54
● 2026-03-25 07:15:56
● 2026-03-25 10:20:46
○ 2026-03-25 11:02:30
● 2026-03-25 12:03:40
○ 2026-03-25 16:46:32
○ 2026-03-26 03:47:06
● 2026-03-26 07:54:14
○ 2026-03-26 12:51:08
○ 2026-03-27 02:24:54
● 2026-03-27 05:06:14
○ 2026-03-27 17:55:56
○ 2026-06-23 08:29:22

○A3.174.113.632026-03-22 → 2026-03-27 · 16 obs

○A3.174.113.662026-03-22 → 2026-03-27 · 16 obs

○A3.174.113.892026-03-22 → 2026-03-27 · 16 obs

○A3.174.59.1002026-04-22 → 2026-05-19 · 17 obs

○ 2026-04-21 14:39:22
● 2026-04-22 17:56:48
○ 2026-04-23 00:34:50
○ 2026-05-06 15:47:08
● 2026-05-06 21:26:18
○ 2026-05-07 00:45:26
○ 2026-05-09 19:19:48
● 2026-05-10 00:35:06
● 2026-05-10 13:05:40
○ 2026-05-10 16:43:02
○ 2026-05-16 14:13:34
● 2026-05-16 23:47:16
○ 2026-05-17 01:17:34
○ 2026-05-19 04:13:46
● 2026-05-19 06:14:24
○ 2026-05-19 09:19:08
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○A3.174.59.532026-04-22 → 2026-05-19 · 17 obs

○A3.174.59.62026-04-22 → 2026-05-19 · 17 obs

○A3.174.59.692026-04-22 → 2026-05-19 · 17 obs

○A3.175.86.1102026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 12:18:38
● 2026-05-27 05:50:50
○ 2026-05-27 14:57:02
○ 2026-06-23 08:29:22

○A3.175.86.352026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 12:18:38
● 2026-05-27 05:50:50
○ 2026-05-27 14:57:02
○ 2026-06-23 08:29:22

○A3.175.86.392026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 12:18:38
● 2026-05-27 05:50:50
○ 2026-05-27 14:57:02
○ 2026-06-23 08:29:22

○A3.175.86.882026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 12:18:38
● 2026-05-27 05:50:50
○ 2026-05-27 14:57:02
○ 2026-06-23 08:29:22

○A52.222.190.1962018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A52.222.190.2372018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A52.222.190.732018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A52.222.190.752018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A52.85.131.1342018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A52.85.131.1692018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A52.85.131.2302018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A52.85.131.832018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A52.85.201.2112018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A52.85.201.2342018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A52.85.201.252018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A52.85.201.522018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

●A52.85.47.1082026-03-25 → 2026-06-23 · 32 obs

○ 2026-03-25 20:19:30
● 2026-03-25 23:29:14
● 2026-03-26 03:47:06
○ 2026-03-26 07:54:14
● 2026-03-26 12:51:08
○ 2026-03-28 12:33:00
○ 2026-04-03 08:24:06
● 2026-04-03 21:20:36
● 2026-05-18 03:40:04
○ 2026-05-18 13:26:04
○ 2026-06-08 22:26:50
● 2026-06-09 23:42:20
● 2026-06-21 02:20:44
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● 2026-06-21 07:51:28
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● 2026-06-21 15:36:46
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● 2026-06-21 23:40:06
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● 2026-06-22 00:48:48
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● 2026-06-22 08:48:22
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● 2026-06-22 12:31:30
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● 2026-06-23 02:21:00
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● 2026-06-23 04:12:42
○ 2026-06-23 07:46:04
● 2026-06-23 08:27:08
● 2026-06-23 08:29:22

●A52.85.47.322026-03-25 → 2026-06-23 · 32 obs

●A52.85.47.552026-03-25 → 2026-06-23 · 32 obs

●A52.85.47.892026-03-25 → 2026-06-23 · 32 obs

○A54.230.147.1582018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A54.230.147.2442018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A54.230.147.462018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A54.230.147.872018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A54.230.173.1042018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A54.230.173.1102018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A54.230.173.1122018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A54.230.173.422018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A54.230.245.1352018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A54.230.245.252018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A54.230.245.302018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A54.230.245.82018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A54.230.253.1232026-03-30 → 2026-06-23 · 24 obs

○ 2026-03-30 03:06:34
● 2026-03-30 03:41:08
○ 2026-03-30 06:48:56
● 2026-03-30 07:34:28
○ 2026-03-30 14:26:20
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● 2026-03-31 18:16:04
● 2026-04-02 02:09:06
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● 2026-06-18 11:58:50
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● 2026-06-19 10:15:00
● 2026-06-21 06:23:00
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● 2026-06-21 09:30:12
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● 2026-06-22 16:38:48
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● 2026-06-23 03:04:22
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● 2026-06-23 07:46:04
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○ 2026-06-23 08:29:22

○A54.230.253.382026-03-30 → 2026-06-23 · 24 obs

○A54.230.253.782026-03-30 → 2026-06-23 · 24 obs

○A54.230.253.812026-03-30 → 2026-06-23 · 24 obs

○A54.230.59.2202018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A54.230.59.52018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A54.230.59.642018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A54.230.59.672018-08-16 → 2018-08-16 · 3 obs

● 2018-08-16 14:28:12
○ 2026-02-15 03:53:48
○ 2026-06-23 08:29:22

○A99.84.215.1172026-02-18 → 2026-02-27 · 10 obs

○ 2026-02-17 02:00:46
● 2026-02-18 11:33:58
○ 2026-02-18 15:31:50
○ 2026-02-24 16:27:26
● 2026-02-25 04:09:08
○ 2026-02-25 05:04:24
○ 2026-02-27 03:50:24
● 2026-02-27 09:29:24
○ 2026-02-28 00:05:18
○ 2026-06-23 08:29:22

○A99.84.215.1212026-02-18 → 2026-02-27 · 10 obs

○A99.84.215.232026-02-18 → 2026-02-27 · 10 obs

○A99.84.215.622026-02-18 → 2026-02-27 · 10 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
studywalker.jp	ns-19.awsdns-02.com, ns-1345.awsdns-40.org, ns-721.awsdns-26.net, ns-2040.awsdns-63.co.uk	-

✅ Authoritative Response

Server:205.251.199.248

NS records: ns-19.awsdns-02.com, ns-1345.awsdns-40.org, ns-721.awsdns-26.net, ns-2040.awsdns-63.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studywalker.jp (unsigned zone)

⏱️ Timing

Total: 870ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.171.61.95, 3.171.61.128...`
NS	4	`ns-1345.awsdns-40.org, ns-19.awsdns-02.com...`
SOA	1	`ns-19.awsdns-02.com awsdns-hostmaster.am`

Analysis

IP Addresses

studywalker.jp resolves to four IP addresses: 52.85.47.32, 52.85.47.55, 52.85.47.89 and 52.85.47.108.

nvc.uw.nikon.com, theniketown.com, d12a04352eqt36.cloudfront.net plus two other host names have IP numbers in common with studywalker.jp.

Name Servers

Four name servers handle the delegation for studywalker.jp: ns-19.awsdns-02.com, ns-721.awsdns-26.net, ns-1345.awsdns-40.org and ns-2040.awsdns-63.co.uk.

studywalker.jp has at least partial name server overlap with other domains, such as asc-atonline-dev.com, quickiedivorce.biz, laempresamasfelizdelmundo.es and two others.

ns-19.awsdns-02.com, ns-721.awsdns-26.net, ns-1345.awsdns-40.org and ns-2040.awsdns-63.co.uk all point to exactly two IP numbers each: ns-19.awsdns-02.com → 205.251.192.19 and 2600:9000:5300:1300::1; ns-721.awsdns-26.net → 205.251.194.209 and 2600:9000:5302:d100::1; ns-1345.awsdns-40.org → 205.251.197.65 and 2600:9000:5305:4100::1; ns-2040.awsdns-63.co.uk → 205.251.199.248 and 2600:9000:5307:f800::1.