corelearn.jp - dns.ninja

`corelearn.jp`

DNSSEC	⚠️ Not signed
A	3.170.19.13^{🇺🇸 Amazon3.170.19.0/24}
		PTR	`server-3-170-19-13.iad61.r.cloudfront.net`
A	3.170.19.63^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.86^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.93^{🇺🇸 Amazon3.170.19.0/24}
NS	`ns-542.awsdns-03.net` ⭐
		A	2600:9000:5302:1e00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-542.awsdns-03.net`
		A	205.251.194.30^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-542.awsdns-03.net`
NS	`ns-1449.awsdns-53.org`
		A	2600:9000:5305:a900::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1449.awsdns-53.org`
		A	205.251.197.169^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1449.awsdns-53.org`
NS	`ns-2034.awsdns-62.co.uk`
		A	2600:9000:5307:f200::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2034.awsdns-62.co.uk`
		A	205.251.199.242^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2034.awsdns-62.co.uk`
NS	`ns-88.awsdns-11.com`
		A	2600:9000:5300:5800::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-88.awsdns-11.com`
		A	205.251.192.88^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-88.awsdns-11.com`
SOA	`ns-542.awsdns-03.net`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=1785816902

Same first word

corelearn.biz

corelearn.jp

corelearn.com

Similar names

lorcerean.com

ercanerol.com.tr

learncore.co

learncore.com

DNS History

96 records (8 active, 88 former)

●NSns-1449.awsdns-53.org2026-02-16 → 2026-08-04 · 2 obs

● 2026-02-16 02:22:56
● 2026-08-04 04:21:40

●NSns-2034.awsdns-62.co.uk2026-02-16 → 2026-08-04 · 2 obs

● 2026-02-16 02:22:56
● 2026-08-04 04:21:40

●NSns-542.awsdns-03.net2026-02-16 → 2026-08-04 · 2 obs

● 2026-02-16 02:22:56
● 2026-08-04 04:21:40

●NSns-88.awsdns-11.com2026-02-16 → 2026-08-04 · 2 obs

● 2026-02-16 02:22:56
● 2026-08-04 04:21:40

○A108.156.22.22026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-24 12:42:56
● 2026-03-25 03:26:26
○ 2026-03-25 08:53:18
○ 2026-08-04 04:21:40

○A108.156.22.322026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-24 12:42:56
● 2026-03-25 03:26:26
○ 2026-03-25 08:53:18
○ 2026-08-04 04:21:40

○A108.156.22.642026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-24 12:42:56
● 2026-03-25 03:26:26
○ 2026-03-25 08:53:18
○ 2026-08-04 04:21:40

○A108.156.22.792026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-24 12:42:56
● 2026-03-25 03:26:26
○ 2026-03-25 08:53:18
○ 2026-08-04 04:21:40

○A108.158.137.1082026-04-10 → 2026-07-27 · 29 obs

○ 2026-04-05 21:12:02
● 2026-04-10 21:12:28
● 2026-04-11 00:11:46
○ 2026-04-11 02:16:46
● 2026-04-11 03:24:28
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● 2026-04-16 13:42:26
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● 2026-07-03 01:38:14
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● 2026-07-26 14:37:26
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● 2026-07-27 18:48:30
○ 2026-07-28 10:39:06
○ 2026-08-04 04:21:40

○A108.158.137.142026-04-10 → 2026-07-27 · 29 obs

○A108.158.137.542026-04-10 → 2026-07-27 · 29 obs

○A108.158.137.692026-04-10 → 2026-07-27 · 29 obs

○A13.224.95.242026-03-04 → 2026-06-28 · 20 obs

○ 2026-03-02 22:13:40
● 2026-03-04 00:31:30
● 2026-03-04 01:08:04
○ 2026-03-04 08:29:36
○ 2026-03-10 16:40:10
● 2026-03-10 21:28:44
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○ 2026-05-13 21:00:38
● 2026-05-14 01:06:48
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● 2026-06-28 10:16:30
○ 2026-06-28 17:48:22
○ 2026-08-04 04:21:40

○A13.224.95.322026-03-04 → 2026-06-28 · 20 obs

○A13.224.95.402026-03-04 → 2026-06-28 · 20 obs

○A13.224.95.812026-03-04 → 2026-06-28 · 20 obs

○A13.249.228.1022026-07-26 → 2026-07-28 · 8 obs

○ 2026-07-25 17:13:16
● 2026-07-26 09:14:14
○ 2026-07-26 14:37:26
● 2026-07-28 10:39:06
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● 2026-07-28 21:24:20
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○ 2026-08-04 04:21:40

○A13.249.228.1132026-07-26 → 2026-07-28 · 8 obs

○ 2026-07-25 17:13:16
● 2026-07-26 09:14:14
○ 2026-07-26 14:37:26
● 2026-07-28 10:39:06
○ 2026-07-28 14:14:38
● 2026-07-28 21:24:20
○ 2026-07-28 21:58:10
○ 2026-08-04 04:21:40

○A13.249.228.442026-07-26 → 2026-07-28 · 8 obs

○ 2026-07-25 17:13:16
● 2026-07-26 09:14:14
○ 2026-07-26 14:37:26
● 2026-07-28 10:39:06
○ 2026-07-28 14:14:38
● 2026-07-28 21:24:20
○ 2026-07-28 21:58:10
○ 2026-08-04 04:21:40

○A13.249.228.652026-07-26 → 2026-07-28 · 8 obs

○ 2026-07-25 17:13:16
● 2026-07-26 09:14:14
○ 2026-07-26 14:37:26
● 2026-07-28 10:39:06
○ 2026-07-28 14:14:38
● 2026-07-28 21:24:20
○ 2026-07-28 21:58:10
○ 2026-08-04 04:21:40

○A13.33.82.112026-04-23 → 2026-08-02 · 22 obs

○ 2026-04-17 08:17:14
● 2026-04-23 08:53:32
○ 2026-04-23 11:22:16
○ 2026-04-26 03:40:38
● 2026-04-26 05:46:06
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● 2026-04-30 00:32:54
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○ 2026-05-02 00:19:54
● 2026-05-02 16:15:06
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● 2026-05-03 00:30:50
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● 2026-05-08 15:21:26
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● 2026-08-02 15:05:20
○ 2026-08-02 18:30:46
○ 2026-08-04 04:21:40

○A13.33.82.1222026-04-23 → 2026-08-02 · 22 obs

○A13.33.82.582026-04-23 → 2026-08-02 · 22 obs

○A13.33.82.592026-04-23 → 2026-08-02 · 22 obs

○A13.35.107.422026-07-13 → 2026-08-02 · 22 obs

○ 2026-07-10 21:54:18
● 2026-07-13 18:02:10
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● 2026-07-14 13:35:56
○ 2026-07-14 16:49:28
● 2026-07-15 09:09:26
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● 2026-07-22 18:21:30
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● 2026-07-25 17:13:16
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● 2026-07-27 02:35:26
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● 2026-07-28 21:58:10
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● 2026-07-30 01:35:34
○ 2026-07-30 08:32:56
● 2026-08-02 01:08:40
○ 2026-08-02 15:05:20
○ 2026-08-04 04:21:40

○A13.35.107.62026-07-13 → 2026-08-02 · 22 obs

○A13.35.107.792026-07-13 → 2026-08-02 · 22 obs

○A13.35.107.862026-07-13 → 2026-08-02 · 22 obs

○A18.161.34.1022026-05-10 → 2026-05-20 · 20 obs

○ 2026-05-09 18:51:20
● 2026-05-10 16:40:42
○ 2026-05-10 17:26:34
○ 2026-05-10 21:06:34
● 2026-05-10 22:52:48
● 2026-05-11 08:32:46
○ 2026-05-11 12:24:32
○ 2026-05-12 11:33:46
● 2026-05-12 14:03:02
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● 2026-05-15 19:18:38
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● 2026-05-20 23:30:18
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○ 2026-08-04 04:21:40

○A18.161.34.442026-05-10 → 2026-05-20 · 20 obs

○A18.161.34.602026-05-10 → 2026-05-20 · 20 obs

○A18.161.34.72026-05-10 → 2026-05-20 · 20 obs

○A18.164.154.1012026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-12 18:38:12
● 2026-03-14 11:46:32
○ 2026-03-14 13:15:20
○ 2026-08-04 04:21:40

○A18.164.154.1162026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-12 18:38:12
● 2026-03-14 11:46:32
○ 2026-03-14 13:15:20
○ 2026-08-04 04:21:40

○A18.164.154.682026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-12 18:38:12
● 2026-03-14 11:46:32
○ 2026-03-14 13:15:20
○ 2026-08-04 04:21:40

○A18.164.154.922026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-12 18:38:12
● 2026-03-14 11:46:32
○ 2026-03-14 13:15:20
○ 2026-08-04 04:21:40

○A18.165.140.1122026-03-22 → 2026-07-20 · 23 obs

○ 2026-03-16 14:13:28
● 2026-03-22 22:52:06
● 2026-03-23 00:27:40
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● 2026-07-14 05:31:10
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● 2026-07-14 22:19:26
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● 2026-07-16 02:00:36
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○ 2026-08-04 04:21:40

○A18.165.140.182026-03-22 → 2026-07-20 · 23 obs

○A18.165.140.422026-03-22 → 2026-07-20 · 23 obs

○A18.165.140.492026-03-22 → 2026-07-20 · 23 obs

○A18.165.160.492026-03-12 → 2026-06-29 · 9 obs

○ 2026-03-11 04:25:10
● 2026-03-12 10:54:18
○ 2026-03-12 18:38:12
○ 2026-03-16 02:03:34
● 2026-03-16 06:36:10
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● 2026-06-29 07:58:12
○ 2026-06-29 17:32:22
○ 2026-08-04 04:21:40

○A18.165.160.512026-03-12 → 2026-06-29 · 9 obs

○A18.165.160.672026-03-12 → 2026-06-29 · 9 obs

○A18.165.160.982026-03-12 → 2026-06-29 · 9 obs

○A18.172.153.22026-02-16 → 2026-06-30 · 43 obs

● 2026-02-16 02:22:56
● 2026-02-17 03:28:40
○ 2026-02-17 17:51:52
○ 2026-03-09 09:40:12
● 2026-03-09 23:47:50
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○ 2026-06-25 01:43:12
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○ 2026-08-04 04:21:40

○A18.172.153.782026-02-16 → 2026-06-30 · 43 obs

○A18.172.153.872026-02-16 → 2026-06-30 · 43 obs

○A18.172.153.932026-02-16 → 2026-06-30 · 43 obs

○A18.238.49.172026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 01:38:14
● 2026-07-03 02:09:16
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○A18.238.49.272026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 01:38:14
● 2026-07-03 02:09:16
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○A18.238.49.702026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 01:38:14
● 2026-07-03 02:09:16
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○A18.238.49.812026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 01:38:14
● 2026-07-03 02:09:16
○ 2026-07-03 05:32:36
○ 2026-08-04 04:21:40

○A18.67.233.1112026-05-28 → 2026-06-06 · 21 obs

○ 2026-05-28 00:05:12
● 2026-05-28 17:41:32
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○ 2026-05-29 05:57:14
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○A18.67.233.1262026-05-28 → 2026-06-06 · 21 obs

○A18.67.233.512026-05-28 → 2026-06-06 · 21 obs

○A18.67.233.622026-05-28 → 2026-06-06 · 21 obs

○A3.162.174.272026-05-31 → 2026-06-04 · 8 obs

○ 2026-05-30 19:48:58
● 2026-05-31 09:48:38
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○A3.162.174.652026-05-31 → 2026-06-04 · 8 obs

○ 2026-05-30 19:48:58
● 2026-05-31 09:48:38
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○A3.162.174.842026-05-31 → 2026-06-04 · 8 obs

○ 2026-05-30 19:48:58
● 2026-05-31 09:48:38
○ 2026-05-31 12:45:36
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● 2026-06-04 08:27:54
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○A3.162.174.852026-05-31 → 2026-06-04 · 8 obs

○ 2026-05-30 19:48:58
● 2026-05-31 09:48:38
○ 2026-05-31 12:45:36
○ 2026-06-04 04:47:34
● 2026-06-04 08:27:54
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○A3.163.125.1242026-02-17 → 2026-08-03 · 40 obs

○ 2026-02-17 03:28:40
● 2026-02-17 17:51:52
○ 2026-02-18 13:11:02
○ 2026-02-20 03:56:32
● 2026-02-20 10:44:52
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● 2026-08-03 13:00:06
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○A3.163.125.1252026-02-17 → 2026-08-03 · 40 obs

○A3.163.125.662026-02-17 → 2026-08-03 · 40 obs

○A3.163.125.972026-02-17 → 2026-08-03 · 40 obs

○A3.165.181.1162026-04-02 → 2026-07-30 · 38 obs

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

○A3.165.181.242026-04-02 → 2026-07-30 · 38 obs

○A3.165.181.252026-04-02 → 2026-07-30 · 38 obs

○A3.165.181.502026-04-02 → 2026-07-30 · 38 obs

○A3.168.217.1042026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 00:27:40
● 2026-03-23 17:25:46
○ 2026-03-23 19:12:14
○ 2026-08-04 04:21:40

○A3.168.217.442026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 00:27:40
● 2026-03-23 17:25:46
○ 2026-03-23 19:12:14
○ 2026-08-04 04:21:40

○A3.168.217.852026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 00:27:40
● 2026-03-23 17:25:46
○ 2026-03-23 19:12:14
○ 2026-08-04 04:21:40

○A3.168.217.962026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 00:27:40
● 2026-03-23 17:25:46
○ 2026-03-23 19:12:14
○ 2026-08-04 04:21:40

●A3.170.19.132026-02-18 → 2026-08-04 · 40 obs

○ 2026-02-16 02:22:56
○ 2026-02-17 17:51:52
● 2026-02-18 13:11:02
○ 2026-02-18 22:29:56
○ 2026-02-20 22:11:08
● 2026-02-21 15:51:54
○ 2026-02-22 00:42:12
○ 2026-03-01 15:17:38
● 2026-03-02 08:52:30
○ 2026-03-02 22:13:40
○ 2026-03-09 03:14:32
● 2026-03-09 09:40:12
○ 2026-03-09 23:47:50
○ 2026-06-17 20:38:34
● 2026-06-19 11:52:34
○ 2026-06-19 18:26:20
● 2026-06-20 19:15:54
○ 2026-06-20 20:30:38
● 2026-06-26 00:14:48
○ 2026-06-26 00:47:38
● 2026-06-26 05:25:22
○ 2026-06-26 07:21:24
● 2026-06-26 09:04:18
○ 2026-06-26 13:05:56
● 2026-06-29 02:56:46
○ 2026-06-29 06:37:32
● 2026-06-30 09:17:50
○ 2026-06-30 12:51:08
● 2026-07-03 15:00:24
○ 2026-07-03 16:52:16
● 2026-07-05 09:29:06
○ 2026-07-05 11:23:56
● 2026-07-07 17:20:08
○ 2026-07-07 20:00:10
● 2026-07-09 11:38:26
○ 2026-07-09 12:28:38
● 2026-07-10 13:10:18
○ 2026-07-10 21:54:18
● 2026-08-04 04:21:38
● 2026-08-04 04:21:40

●A3.170.19.632026-02-18 → 2026-08-04 · 40 obs

●A3.170.19.862026-02-18 → 2026-08-04 · 40 obs

●A3.170.19.932026-02-18 → 2026-08-04 · 40 obs

○A3.174.26.1172026-05-16 → 2026-06-08 · 7 obs

○ 2026-05-16 13:12:02
● 2026-05-16 23:00:02
○ 2026-05-16 23:58:28
○ 2026-06-08 00:03:28
● 2026-06-08 01:12:46
○ 2026-06-08 02:26:40
○ 2026-08-04 04:21:40

○A3.174.26.132026-05-16 → 2026-06-08 · 7 obs

○ 2026-05-16 13:12:02
● 2026-05-16 23:00:02
○ 2026-05-16 23:58:28
○ 2026-06-08 00:03:28
● 2026-06-08 01:12:46
○ 2026-06-08 02:26:40
○ 2026-08-04 04:21:40

○A3.174.26.592026-05-16 → 2026-06-08 · 7 obs

○ 2026-05-16 13:12:02
● 2026-05-16 23:00:02
○ 2026-05-16 23:58:28
○ 2026-06-08 00:03:28
● 2026-06-08 01:12:46
○ 2026-06-08 02:26:40
○ 2026-08-04 04:21:40

○A3.174.26.772026-05-16 → 2026-06-08 · 7 obs

○ 2026-05-16 13:12:02
● 2026-05-16 23:00:02
○ 2026-05-16 23:58:28
○ 2026-06-08 00:03:28
● 2026-06-08 01:12:46
○ 2026-06-08 02:26:40
○ 2026-08-04 04:21:40

○A3.174.29.1232026-04-12 → 2026-04-17 · 12 obs

○ 2026-04-11 09:07:26
● 2026-04-12 15:18:44
○ 2026-04-12 18:13:34
○ 2026-04-13 04:14:48
● 2026-04-13 21:06:44
○ 2026-04-14 00:14:48
● 2026-04-14 02:00:32
○ 2026-04-14 05:37:58
○ 2026-04-16 13:42:26
● 2026-04-17 03:37:00
○ 2026-04-17 08:17:14
○ 2026-08-04 04:21:40

○A3.174.29.1242026-04-12 → 2026-04-17 · 12 obs

○A3.174.29.342026-04-12 → 2026-04-17 · 12 obs

○A3.174.29.42026-04-12 → 2026-04-17 · 12 obs

○A3.174.83.1012026-03-28 → 2026-08-03 · 59 obs

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

○A3.174.83.1132026-03-28 → 2026-08-03 · 59 obs

○A3.174.83.412026-03-28 → 2026-08-03 · 59 obs

○A3.174.83.882026-03-28 → 2026-08-03 · 59 obs

○A52.85.12.102026-05-19 → 2026-06-08 · 21 obs

○ 2026-05-19 07:24:50
● 2026-05-19 17:31:22
● 2026-05-20 12:29:14
○ 2026-05-20 23:30:18
○ 2026-05-21 00:20:26
● 2026-05-21 05:48:44
● 2026-05-28 00:05:12
○ 2026-05-28 17:41:32
● 2026-05-30 04:54:22
○ 2026-05-31 09:48:38
○ 2026-06-01 08:24:10
● 2026-06-01 22:57:52
● 2026-06-03 17:29:52
○ 2026-06-04 04:02:38
● 2026-06-05 04:46:40
● 2026-06-07 14:45:34
○ 2026-06-07 22:41:18
○ 2026-06-08 01:12:46
● 2026-06-08 02:26:40
○ 2026-06-08 11:20:42
○ 2026-08-04 04:21:40

○A52.85.12.42026-05-19 → 2026-06-08 · 21 obs

○A52.85.12.432026-05-19 → 2026-06-08 · 21 obs

○A52.85.12.812026-05-19 → 2026-06-08 · 21 obs

○A65.9.168.182026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-28 19:33:48
● 2026-05-29 00:23:08
● 2026-05-29 01:43:10
○ 2026-05-29 03:49:56
○ 2026-08-04 04:21:40

○A65.9.168.232026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-28 19:33:48
● 2026-05-29 00:23:08
● 2026-05-29 01:43:10
○ 2026-05-29 03:49:56
○ 2026-08-04 04:21:40

○A65.9.168.442026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-28 19:33:48
● 2026-05-29 00:23:08
● 2026-05-29 01:43:10
○ 2026-05-29 03:49:56
○ 2026-08-04 04:21:40

○A65.9.168.672026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-28 19:33:48
● 2026-05-29 00:23:08
● 2026-05-29 01:43:10
○ 2026-05-29 03:49:56
○ 2026-08-04 04:21:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
corelearn.jp	ns-88.awsdns-11.com, ns-542.awsdns-03.net, ns-1449.awsdns-53.org, ns-2034.awsdns-62.co.uk	-

✅ Authoritative Response

Server:205.251.194.30

NS records: ns-88.awsdns-11.com, ns-542.awsdns-03.net, ns-1449.awsdns-53.org, ns-2034.awsdns-62.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corelearn.jp (unsigned zone)

⏱️ Timing

Total: 877ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.170.19.13, 3.170.19.86...`
NS	4	`ns-1449.awsdns-53.org, ns-2034.awsdns-62.co.uk...`
SOA	1	`ns-542.awsdns-03.net awsdns-hostmaster.a`

Analysis

IP Addresses

corelearn.jp points to the four IP addresses 3.170.19.13, 3.170.19.63, 3.170.19.86 and 3.170.19.93.

Two other host names, along with castleofjames.com, cdn.toygameshop.com and simplyappdevs.com, also share IP numbers with corelearn.jp.

Name Servers

The NS records for corelearn.jp point to four name servers: ns-88.awsdns-11.com, ns-542.awsdns-03.net, ns-1449.awsdns-53.org and ns-2034.awsdns-62.co.uk.

At least some of corelearn.jp's name servers are shared with other domains, for example mockidp.de-gapi3.cohorting.national.nhs.uk, pyriteai.com, 157.245.63.in-addr.arpa and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-88.awsdns-11.com directs to 205.251.192.88 and 2600:9000:5300:5800::1; ns-542.awsdns-03.net directs to 205.251.194.30 and 2600:9000:5302:1e00::1; ns-1449.awsdns-53.org directs to 205.251.197.169 and 2600:9000:5305:a900::1; ns-2034.awsdns-62.co.uk directs to 205.251.199.242 and 2600:9000:5307:f200::1.