selfstudybrain.com - dns.ninja

`selfstudybrain.com`

DNSSEC	⚠️ Not signed
A	13.35.107.24^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
		PTR	`server-13-35-107-24.phl51.r.cloudfront.net`
A	13.35.107.34^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
A	13.35.107.94^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
A	13.35.107.113^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
NS	`ns-459.awsdns-57.com` ⭐
		A	2600:9000:5301:cb00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-459.awsdns-57.com`
		A	205.251.193.203^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-459.awsdns-57.com`
NS	`ns-1453.awsdns-53.org`
		A	2600:9000:5305:ad00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1453.awsdns-53.org`
		A	205.251.197.173^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1453.awsdns-53.org`
NS	`ns-1747.awsdns-26.co.uk`
		A	2600:9000:5306:d300::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1747.awsdns-26.co.uk`
		A	205.251.198.211^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1747.awsdns-26.co.uk`
NS	`ns-898.awsdns-48.net`
		A	2600:9000:5303:8200::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-898.awsdns-48.net`
		A	205.251.195.130^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-898.awsdns-48.net`
SOA	`ns-459.awsdns-57.com`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785659332

Same first word

selfstudybrain.com

DNS History

120 records (8 active, 112 former)

●NSns-1453.awsdns-53.org2026-02-16 → 2026-08-02 · 2 obs

● 2026-02-16 16:47:08
● 2026-08-02 08:46:46

●NSns-1747.awsdns-26.co.uk2026-02-16 → 2026-08-02 · 2 obs

● 2026-02-16 16:47:08
● 2026-08-02 08:46:46

●NSns-459.awsdns-57.com2026-02-16 → 2026-08-02 · 2 obs

● 2026-02-16 16:47:08
● 2026-08-02 08:46:46

●NSns-898.awsdns-48.net2026-02-16 → 2026-08-02 · 2 obs

● 2026-02-16 16:47:08
● 2026-08-02 08:46:46

○A108.138.217.102026-02-17 → 2026-06-30 · 39 obs

○ 2026-02-16 22:39:24
● 2026-02-17 00:30:22
● 2026-02-17 05:28:58
○ 2026-02-17 07:07:22
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● 2026-06-29 10:16:36
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● 2026-06-30 18:33:50
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○ 2026-08-02 08:46:46

○A108.138.217.1252026-02-17 → 2026-06-30 · 39 obs

○A108.138.217.372026-02-17 → 2026-06-30 · 39 obs

○A108.138.217.702026-02-17 → 2026-06-30 · 39 obs

○A108.139.163.102026-07-03 → 2026-07-26 · 8 obs

○ 2026-07-03 00:33:34
● 2026-07-03 09:37:44
○ 2026-07-04 01:04:38
● 2026-07-24 09:25:12
○ 2026-07-25 21:33:06
● 2026-07-26 15:50:14
○ 2026-07-27 06:07:18
○ 2026-08-02 08:46:46

○A108.139.163.1192026-07-03 → 2026-07-26 · 8 obs

○ 2026-07-03 00:33:34
● 2026-07-03 09:37:44
○ 2026-07-04 01:04:38
● 2026-07-24 09:25:12
○ 2026-07-25 21:33:06
● 2026-07-26 15:50:14
○ 2026-07-27 06:07:18
○ 2026-08-02 08:46:46

○A108.139.163.1272026-07-03 → 2026-07-26 · 8 obs

○ 2026-07-03 00:33:34
● 2026-07-03 09:37:44
○ 2026-07-04 01:04:38
● 2026-07-24 09:25:12
○ 2026-07-25 21:33:06
● 2026-07-26 15:50:14
○ 2026-07-27 06:07:18
○ 2026-08-02 08:46:46

○A108.139.163.972026-07-03 → 2026-07-26 · 8 obs

○ 2026-07-03 00:33:34
● 2026-07-03 09:37:44
○ 2026-07-04 01:04:38
● 2026-07-24 09:25:12
○ 2026-07-25 21:33:06
● 2026-07-26 15:50:14
○ 2026-07-27 06:07:18
○ 2026-08-02 08:46:46

○A108.139.47.1042026-03-08 → 2026-03-14 · 7 obs

○ 2026-03-07 00:11:52
● 2026-03-08 11:15:46
○ 2026-03-08 12:53:12
○ 2026-03-14 12:34:18
● 2026-03-14 13:27:34
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○ 2026-08-02 08:46:46

○A108.139.47.482026-03-08 → 2026-03-14 · 7 obs

○ 2026-03-07 00:11:52
● 2026-03-08 11:15:46
○ 2026-03-08 12:53:12
○ 2026-03-14 12:34:18
● 2026-03-14 13:27:34
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○ 2026-08-02 08:46:46

○A108.139.47.792026-03-08 → 2026-03-14 · 7 obs

○ 2026-03-07 00:11:52
● 2026-03-08 11:15:46
○ 2026-03-08 12:53:12
○ 2026-03-14 12:34:18
● 2026-03-14 13:27:34
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○ 2026-08-02 08:46:46

○A108.139.47.852026-03-08 → 2026-03-14 · 7 obs

○ 2026-03-07 00:11:52
● 2026-03-08 11:15:46
○ 2026-03-08 12:53:12
○ 2026-03-14 12:34:18
● 2026-03-14 13:27:34
○ 2026-03-14 15:13:20
○ 2026-08-02 08:46:46

○A108.158.173.262026-03-28 → 2026-08-01 · 53 obs

○ 2026-03-28 07:22:24
● 2026-03-28 12:31:26
● 2026-03-28 15:16:34
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● 2026-03-29 20:09:34
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● 2026-04-13 03:08:52
○ 2026-04-14 03:39:22
○ 2026-05-30 12:26:34
● 2026-05-31 11:52:02
○ 2026-06-01 23:38:46
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● 2026-06-08 15:53:08
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● 2026-06-15 22:29:02
○ 2026-06-16 10:34:10
● 2026-07-01 00:58:52
○ 2026-07-01 20:56:14
● 2026-07-02 00:13:10
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● 2026-07-02 16:01:50
○ 2026-07-03 00:33:34
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● 2026-07-04 15:35:02
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○ 2026-07-18 19:09:58
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● 2026-07-19 17:21:40
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● 2026-07-20 05:38:22
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● 2026-07-23 17:20:58
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● 2026-07-30 19:20:54
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● 2026-08-01 14:36:00
○ 2026-08-02 08:46:44
○ 2026-08-02 08:46:46

○A108.158.173.612026-03-28 → 2026-08-01 · 53 obs

○A108.158.173.802026-03-28 → 2026-08-01 · 53 obs

○A108.158.173.952026-03-28 → 2026-08-01 · 53 obs

○A108.159.15.352026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-20 08:57:22
● 2026-05-26 21:10:52
○ 2026-05-26 23:29:40
○ 2026-08-02 08:46:46

○A108.159.15.412026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-20 08:57:22
● 2026-05-26 21:10:52
○ 2026-05-26 23:29:40
○ 2026-08-02 08:46:46

○A108.159.15.622026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-20 08:57:22
● 2026-05-26 21:10:52
○ 2026-05-26 23:29:40
○ 2026-08-02 08:46:46

○A108.159.15.952026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-20 08:57:22
● 2026-05-26 21:10:52
○ 2026-05-26 23:29:40
○ 2026-08-02 08:46:46

○A13.249.180.172026-07-28 → 2026-07-29 · 6 obs

○ 2026-07-28 07:46:32
● 2026-07-28 13:11:44
○ 2026-07-28 23:52:10
● 2026-07-29 04:36:48
○ 2026-07-29 23:02:42
○ 2026-08-02 08:46:46

○A13.249.180.52026-07-28 → 2026-07-29 · 6 obs

○ 2026-07-28 07:46:32
● 2026-07-28 13:11:44
○ 2026-07-28 23:52:10
● 2026-07-29 04:36:48
○ 2026-07-29 23:02:42
○ 2026-08-02 08:46:46

○A13.249.180.72026-07-28 → 2026-07-29 · 6 obs

○ 2026-07-28 07:46:32
● 2026-07-28 13:11:44
○ 2026-07-28 23:52:10
● 2026-07-29 04:36:48
○ 2026-07-29 23:02:42
○ 2026-08-02 08:46:46

○A13.249.180.912026-07-28 → 2026-07-29 · 6 obs

○ 2026-07-28 07:46:32
● 2026-07-28 13:11:44
○ 2026-07-28 23:52:10
● 2026-07-29 04:36:48
○ 2026-07-29 23:02:42
○ 2026-08-02 08:46:46

○A13.33.109.1272026-05-13 → 2026-05-20 · 18 obs

○ 2026-05-11 18:29:08
● 2026-05-13 15:18:30
○ 2026-05-14 02:12:50
○ 2026-05-14 17:13:32
● 2026-05-14 19:04:38
○ 2026-05-15 01:19:14
○ 2026-05-16 05:53:24
● 2026-05-16 12:29:46
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● 2026-05-16 23:30:18
○ 2026-05-17 01:59:34
○ 2026-05-19 06:53:20
● 2026-05-19 15:43:48
○ 2026-05-19 21:24:34
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● 2026-05-20 04:23:08
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○ 2026-08-02 08:46:46

○A13.33.109.192026-05-13 → 2026-05-20 · 18 obs

○A13.33.109.612026-05-13 → 2026-05-20 · 18 obs

○A13.33.109.992026-05-13 → 2026-05-20 · 18 obs

○A13.33.235.1062026-03-24 → 2026-07-14 · 13 obs

○ 2026-03-24 00:31:02
● 2026-03-24 10:30:38
○ 2026-03-24 18:45:28
○ 2026-03-24 20:14:20
● 2026-03-24 21:00:22
● 2026-03-25 01:49:16
○ 2026-03-25 02:48:32
○ 2026-03-26 13:56:36
● 2026-03-26 17:59:46
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● 2026-07-14 02:31:52
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○ 2026-08-02 08:46:46

○A13.33.235.332026-03-24 → 2026-07-14 · 13 obs

○A13.33.235.802026-03-24 → 2026-07-14 · 13 obs

○A13.33.235.942026-03-24 → 2026-07-14 · 13 obs

○A13.33.82.1162026-03-09 → 2026-05-10 · 19 obs

○ 2026-03-08 12:53:12
● 2026-03-09 00:12:24
○ 2026-03-09 01:04:04
○ 2026-04-20 14:19:00
● 2026-04-20 16:58:48
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● 2026-05-05 00:37:22
○ 2026-05-05 01:16:48
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● 2026-05-08 22:06:12
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● 2026-05-10 06:05:26
○ 2026-05-10 07:37:18
○ 2026-08-02 08:46:46

○A13.33.82.412026-03-09 → 2026-05-10 · 19 obs

○A13.33.82.522026-03-09 → 2026-05-10 · 19 obs

○A13.33.82.732026-03-09 → 2026-05-10 · 19 obs

●A13.35.107.1132026-07-14 → 2026-08-02 · 19 obs

○ 2026-07-14 02:31:52
● 2026-07-14 12:36:54
○ 2026-07-14 19:03:58
● 2026-07-19 06:47:58
○ 2026-07-19 17:21:40
● 2026-07-20 00:22:40
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● 2026-07-25 21:33:06
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● 2026-08-02 08:46:46

●A13.35.107.242026-07-14 → 2026-08-02 · 19 obs

●A13.35.107.342026-07-14 → 2026-08-02 · 19 obs

●A13.35.107.942026-07-14 → 2026-08-02 · 19 obs

○A13.35.163.642026-05-29 → 2026-05-29 · 6 obs

○ 2026-05-28 07:33:44
● 2026-05-29 04:00:14
○ 2026-05-29 04:58:16
● 2026-05-29 07:08:44
○ 2026-05-29 18:54:30
○ 2026-08-02 08:46:46

○A13.35.163.662026-05-29 → 2026-05-29 · 6 obs

○ 2026-05-28 07:33:44
● 2026-05-29 04:00:14
○ 2026-05-29 04:58:16
● 2026-05-29 07:08:44
○ 2026-05-29 18:54:30
○ 2026-08-02 08:46:46

○A13.35.163.72026-05-29 → 2026-05-29 · 6 obs

○ 2026-05-28 07:33:44
● 2026-05-29 04:00:14
○ 2026-05-29 04:58:16
● 2026-05-29 07:08:44
○ 2026-05-29 18:54:30
○ 2026-08-02 08:46:46

○A13.35.163.712026-05-29 → 2026-05-29 · 6 obs

○ 2026-05-28 07:33:44
● 2026-05-29 04:00:14
○ 2026-05-29 04:58:16
● 2026-05-29 07:08:44
○ 2026-05-29 18:54:30
○ 2026-08-02 08:46:46

○A18.161.205.182026-04-05 → 2026-07-01 · 16 obs

○ 2026-04-04 01:59:46
● 2026-04-05 00:51:44
● 2026-04-05 02:02:02
○ 2026-04-05 03:25:20
○ 2026-04-10 18:26:16
● 2026-04-11 00:12:18
○ 2026-04-11 01:18:54
○ 2026-05-06 02:43:46
● 2026-05-06 07:18:34
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● 2026-05-11 15:59:12
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● 2026-07-01 20:56:14
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○ 2026-08-02 08:46:46

○A18.161.205.212026-04-05 → 2026-07-01 · 16 obs

○A18.161.205.352026-04-05 → 2026-07-01 · 16 obs

○A18.161.205.372026-04-05 → 2026-07-01 · 16 obs

○A18.164.154.1222026-02-16 → 2026-08-01 · 30 obs

● 2026-02-16 16:47:08
○ 2026-02-16 22:39:24
○ 2026-02-17 05:28:58
● 2026-02-17 07:07:22
○ 2026-02-17 10:00:52
○ 2026-02-20 18:30:28
● 2026-02-21 12:21:40
● 2026-02-24 18:25:58
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● 2026-03-11 20:35:46
○ 2026-03-12 04:34:38
○ 2026-03-28 02:41:16
● 2026-03-28 06:08:42
○ 2026-03-28 07:22:24
● 2026-07-20 03:58:30
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● 2026-07-20 18:37:50
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● 2026-07-22 11:34:40
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● 2026-07-28 07:46:32
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● 2026-07-30 13:18:26
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● 2026-08-01 09:55:10
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○ 2026-08-02 08:46:46

○A18.164.154.292026-02-16 → 2026-08-01 · 30 obs

○A18.164.154.562026-02-16 → 2026-08-01 · 30 obs

○A18.164.154.732026-02-16 → 2026-08-01 · 30 obs

○A18.165.9.102026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-05 20:03:28
● 2026-03-06 20:02:22
○ 2026-03-07 00:11:52
○ 2026-08-02 08:46:46

○A18.165.9.292026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-05 20:03:28
● 2026-03-06 20:02:22
○ 2026-03-07 00:11:52
○ 2026-08-02 08:46:46

○A18.165.9.582026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-05 20:03:28
● 2026-03-06 20:02:22
○ 2026-03-07 00:11:52
○ 2026-08-02 08:46:46

○A18.165.9.612026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-05 20:03:28
● 2026-03-06 20:02:22
○ 2026-03-07 00:11:52
○ 2026-08-02 08:46:46

○A18.65.48.172026-04-03 → 2026-04-05 · 7 obs

○ 2026-03-31 15:18:04
● 2026-04-03 23:35:24
○ 2026-04-04 01:59:46
○ 2026-04-05 08:13:38
● 2026-04-05 21:55:12
○ 2026-04-06 03:13:10
○ 2026-08-02 08:46:46

○A18.65.48.42026-04-03 → 2026-04-05 · 7 obs

○ 2026-03-31 15:18:04
● 2026-04-03 23:35:24
○ 2026-04-04 01:59:46
○ 2026-04-05 08:13:38
● 2026-04-05 21:55:12
○ 2026-04-06 03:13:10
○ 2026-08-02 08:46:46

○A18.65.48.772026-04-03 → 2026-04-05 · 7 obs

○ 2026-03-31 15:18:04
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○A18.65.48.872026-04-03 → 2026-04-05 · 7 obs

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○A3.161.136.102026-03-31 → 2026-07-30 · 19 obs

○ 2026-03-31 08:05:36
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○A3.161.136.1262026-03-31 → 2026-07-30 · 19 obs

○A3.161.136.62026-03-31 → 2026-07-30 · 19 obs

○A3.161.136.862026-03-31 → 2026-07-30 · 19 obs

○A3.162.79.452026-03-23 → 2026-03-23 · 4 obs

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○A3.162.79.512026-03-23 → 2026-03-23 · 4 obs

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○A3.162.79.522026-03-23 → 2026-03-23 · 4 obs

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○A3.162.79.552026-03-23 → 2026-03-23 · 4 obs

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○A3.164.163.102026-07-29 → 2026-07-29 · 4 obs

○ 2026-07-28 23:52:10
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○A3.164.163.1012026-07-29 → 2026-07-29 · 4 obs

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○A3.164.163.822026-07-29 → 2026-07-29 · 4 obs

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○A3.164.163.972026-07-29 → 2026-07-29 · 4 obs

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○A3.164.68.1162026-07-14 → 2026-07-20 · 10 obs

○ 2026-07-14 12:36:54
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○A3.164.68.502026-07-14 → 2026-07-20 · 10 obs

○A3.164.68.732026-07-14 → 2026-07-20 · 10 obs

○A3.164.68.922026-07-14 → 2026-07-20 · 10 obs

○A3.167.183.192026-05-19 → 2026-07-02 · 25 obs

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○A3.167.183.652026-05-19 → 2026-07-02 · 25 obs

○A3.167.183.72026-05-19 → 2026-07-02 · 25 obs

○A3.167.183.842026-05-19 → 2026-07-02 · 25 obs

○A3.169.252.102026-03-20 → 2026-07-10 · 14 obs

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○A3.169.252.1272026-03-20 → 2026-07-10 · 14 obs

○A3.169.252.292026-03-20 → 2026-07-10 · 14 obs

○A3.169.252.652026-03-20 → 2026-07-10 · 14 obs

○A3.170.42.522026-02-16 → 2026-07-10 · 33 obs

○ 2026-02-16 16:47:08
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○A3.170.42.62026-02-16 → 2026-07-10 · 33 obs

○A3.170.42.912026-02-16 → 2026-07-10 · 33 obs

○A3.170.42.972026-02-16 → 2026-07-10 · 33 obs

○A3.173.182.1212026-06-29 → 2026-06-29 · 4 obs

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○A3.173.182.432026-06-29 → 2026-06-29 · 4 obs

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○A3.173.182.502026-06-29 → 2026-06-29 · 4 obs

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○A3.173.182.92026-06-29 → 2026-06-29 · 4 obs

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○A3.174.29.1172026-04-08 → 2026-04-19 · 17 obs

○ 2026-04-06 03:13:10
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○A3.174.29.142026-04-08 → 2026-04-19 · 17 obs

○A3.174.29.602026-04-08 → 2026-04-19 · 17 obs

○A3.174.29.792026-04-08 → 2026-04-19 · 17 obs

○A3.174.59.272026-04-22 → 2026-05-10 · 19 obs

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○A3.174.59.422026-04-22 → 2026-05-10 · 19 obs

○A3.174.59.572026-04-22 → 2026-05-10 · 19 obs

○A3.174.59.652026-04-22 → 2026-05-10 · 19 obs

○A52.84.118.212026-03-30 → 2026-03-30 · 4 obs

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○A52.84.118.332026-03-30 → 2026-03-30 · 4 obs

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○A52.84.118.352026-03-30 → 2026-03-30 · 4 obs

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○A52.84.118.992026-03-30 → 2026-03-30 · 4 obs

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○A54.192.151.112026-05-27 → 2026-05-27 · 4 obs

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○A54.192.151.1122026-05-27 → 2026-05-27 · 4 obs

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○A54.192.151.352026-05-27 → 2026-05-27 · 4 obs

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○A54.192.151.602026-05-27 → 2026-05-27 · 4 obs

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○A54.230.114.1142026-03-22 → 2026-03-22 · 4 obs

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○A54.230.114.362026-03-22 → 2026-03-22 · 4 obs

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○A54.230.114.782026-03-22 → 2026-03-22 · 4 obs

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○A54.230.114.862026-03-22 → 2026-03-22 · 4 obs

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○A54.240.184.1012026-07-27 → 2026-07-27 · 4 obs

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○A54.240.184.422026-07-27 → 2026-07-27 · 4 obs

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○A54.240.184.482026-07-27 → 2026-07-27 · 4 obs

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○A54.240.184.752026-07-27 → 2026-07-27 · 4 obs

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net...	-
selfstudybrain.com	ns-459.awsdns-57.com, ns-898.awsdns-48.net, ns-1747.awsdns-26.co.uk, ns-1453.awsdns-53.org	2 records

✅ Authoritative Response

Server:205.251.193.203

NS records: ns-459.awsdns-57.com, ns-898.awsdns-48.net, ns-1747.awsdns-26.co.uk, ns-1453.awsdns-53.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for selfstudybrain.com (unsigned zone)

⏱️ Timing

Total: 1465ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.107.113, 13.35.107.94...`
NS	4	`ns-1453.awsdns-53.org, ns-1747.awsdns-26.co.uk...`
SOA	1	`ns-459.awsdns-57.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-459.awsdns-57.com, ns-459.awsdns-57.com)

Analysis

IP Addresses

selfstudybrain.com directs to four IP numbers, which are 13.35.107.24, 13.35.107.34, 13.35.107.94 and 13.35.107.113.

Two other host names, along with charlie.io, rls-mav-cms.mrv-rls.ifsalpha.com and popco.com, also share IP numbers with selfstudybrain.com.

Name Servers

The NS records for selfstudybrain.com point to four name servers: ns-459.awsdns-57.com, ns-898.awsdns-48.net, ns-1453.awsdns-53.org and ns-1747.awsdns-26.co.uk.

There is at least partial name server overlap between selfstudybrain.com and other domains — staging.api.telia.io, braeshigh.com, flyl4l.com and two more among them.

All four hostnames — ns-459.awsdns-57.com, ns-898.awsdns-48.net, ns-1453.awsdns-53.org and ns-1747.awsdns-26.co.uk — resolve to two IP numbers apiece: ns-459.awsdns-57.com to 205.251.193.203 and 2600:9000:5301:cb00::1; ns-898.awsdns-48.net to 205.251.195.130 and 2600:9000:5303:8200::1; ns-1453.awsdns-53.org to 205.251.197.173 and 2600:9000:5305:ad00::1; ns-1747.awsdns-26.co.uk to 205.251.198.211 and 2600:9000:5306:d300::1.