studyib.com - dns.ninja

`studyib.com`

DNSSEC	⚠️ Not signed
A	18.172.153.39^{🇺🇸 Amazon18.172.152.0/21}
		PTR	`server-18-172-153-39.lhr50.r.cloudfront.net`
A	18.172.153.49^{🇺🇸 Amazon18.172.152.0/21}
A	18.172.153.70^{🇺🇸 Amazon18.172.152.0/21}
A	18.172.153.82^{🇺🇸 Amazon18.172.152.0/21}
NS	`ns-766.awsdns-31.net` ⭐
		A	2600:9000:5302:fe00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-766.awsdns-31.net`
		A	205.251.194.254^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-766.awsdns-31.net`
NS	`ns-1034.awsdns-01.org`
		A	2600:9000:5304:a00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1034.awsdns-01.org`
		A	205.251.196.10^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1034.awsdns-01.org`
NS	`ns-146.awsdns-18.com`
		A	2600:9000:5300:9200::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-146.awsdns-18.com`
		A	205.251.192.146^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-146.awsdns-18.com`
NS	`ns-1901.awsdns-45.co.uk`
		A	2600:9000:5307:6d00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1901.awsdns-45.co.uk`
		A	205.251.199.109^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1901.awsdns-45.co.uk`
TXT	`google-site-verification=7c4rfwZXc8gb-CSTFaEPITx7jY_lcmhfqI2W300mPlA`
SOA	`ns-766.awsdns-31.net`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=1781488645

Same first word

studyib.ai

studyib.com

studyib.net

Similar names

ibstudy.co.kr

tubidys.org

tidybus.com

ibstudy.com

tubidys.com

tubidys.mobi

studybi.cn

DNS History

72 records (8 active, 64 former)

●NSns-1034.awsdns-01.org2026-03-26 → 2026-06-15 · 3 obs

○ 2017-12-16 19:22:38
● 2026-03-26 05:22:48
● 2026-06-15 02:10:22

●NSns-146.awsdns-18.com2026-03-26 → 2026-06-15 · 3 obs

○ 2017-12-16 19:22:38
● 2026-03-26 05:22:48
● 2026-06-15 02:10:22

●NSns-1901.awsdns-45.co.uk2026-03-26 → 2026-06-15 · 3 obs

○ 2017-12-16 19:22:38
● 2026-03-26 05:22:48
● 2026-06-15 02:10:22

●NSns-766.awsdns-31.net2026-03-26 → 2026-06-15 · 3 obs

○ 2017-12-16 19:22:38
● 2026-03-26 05:22:48
● 2026-06-15 02:10:22

○NSns1.namebrightdns.com2017-12-16 → 2017-12-16 · 4 obs

○ 2016-12-15 20:39:58
● 2017-12-16 19:22:38
○ 2026-03-26 05:22:48
○ 2026-06-15 02:10:22

○NSns1.wordpress.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 20:39:58
○ 2017-12-16 19:22:38
○ 2026-06-15 02:10:22

○NSns2.namebrightdns.com2017-12-16 → 2017-12-16 · 4 obs

○ 2016-12-15 20:39:58
● 2017-12-16 19:22:38
○ 2026-03-26 05:22:48
○ 2026-06-15 02:10:22

○NSns2.wordpress.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 20:39:58
○ 2017-12-16 19:22:38
○ 2026-06-15 02:10:22

○NSns3.wordpress.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 20:39:58
○ 2017-12-16 19:22:38
○ 2026-06-15 02:10:22

○A108.139.134.282026-04-10 → 2026-05-17 · 18 obs

○ 2026-04-10 02:33:32
● 2026-04-10 21:46:26
○ 2026-04-11 01:38:50
○ 2026-04-11 15:17:40
● 2026-04-11 16:55:58
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○ 2026-04-13 01:21:36
● 2026-04-13 07:06:30
○ 2026-04-13 14:55:46
● 2026-04-13 15:30:52
○ 2026-04-13 16:01:16
○ 2026-05-16 22:29:40
● 2026-05-16 23:01:30
○ 2026-05-16 23:57:00
○ 2026-05-17 08:55:22
● 2026-05-17 17:45:14
○ 2026-05-17 20:38:10
○ 2026-06-15 02:10:22

○A108.139.134.32026-04-10 → 2026-05-17 · 18 obs

○A108.139.134.342026-04-10 → 2026-05-17 · 18 obs

○A108.139.134.812026-04-10 → 2026-05-17 · 18 obs

○A108.139.166.1142026-05-05 → 2026-05-05 · 4 obs

○ 2026-05-05 02:56:20
● 2026-05-05 08:41:26
○ 2026-05-05 14:44:26
○ 2026-06-15 02:10:22

○A108.139.166.572026-05-05 → 2026-05-05 · 4 obs

○ 2026-05-05 02:56:20
● 2026-05-05 08:41:26
○ 2026-05-05 14:44:26
○ 2026-06-15 02:10:22

○A108.139.166.752026-05-05 → 2026-05-05 · 4 obs

○ 2026-05-05 02:56:20
● 2026-05-05 08:41:26
○ 2026-05-05 14:44:26
○ 2026-06-15 02:10:22

○A108.139.166.802026-05-05 → 2026-05-05 · 4 obs

○ 2026-05-05 02:56:20
● 2026-05-05 08:41:26
○ 2026-05-05 14:44:26
○ 2026-06-15 02:10:22

○A108.156.39.1002026-04-02 → 2026-05-14 · 17 obs

○ 2026-04-01 04:05:28
● 2026-04-02 03:07:06
○ 2026-04-02 11:25:18
○ 2026-04-22 02:09:36
● 2026-04-22 03:43:52
○ 2026-04-22 16:52:18
○ 2026-04-24 23:21:20
● 2026-04-25 00:46:10
● 2026-04-25 03:11:30
○ 2026-04-25 11:06:32
○ 2026-05-12 21:32:44
● 2026-05-13 04:34:10
○ 2026-05-13 08:48:18
○ 2026-05-13 13:32:38
● 2026-05-14 01:30:18
○ 2026-05-14 04:39:48
○ 2026-06-15 02:10:22

○A108.156.39.52026-04-02 → 2026-05-14 · 17 obs

○A108.156.39.812026-04-02 → 2026-05-14 · 17 obs

○A108.156.39.92026-04-02 → 2026-05-14 · 17 obs

○A13.32.179.152026-04-01 → 2026-04-07 · 17 obs

○ 2026-04-01 01:03:14
● 2026-04-01 04:05:28
○ 2026-04-02 03:07:06
● 2026-04-02 11:25:18
○ 2026-04-02 12:00:36
● 2026-04-02 14:09:30
○ 2026-04-03 01:11:28
○ 2026-04-04 09:39:10
● 2026-04-04 12:04:42
○ 2026-04-04 17:42:02
○ 2026-04-06 00:02:54
● 2026-04-06 11:35:12
○ 2026-04-06 15:15:50
○ 2026-04-07 19:01:28
● 2026-04-07 21:36:16
○ 2026-04-08 01:11:16
○ 2026-06-15 02:10:22

○A13.32.179.692026-04-01 → 2026-04-07 · 17 obs

○A13.32.179.842026-04-01 → 2026-04-07 · 17 obs

○A13.32.179.982026-04-01 → 2026-04-07 · 17 obs

○A13.33.82.1072026-04-25 → 2026-05-09 · 37 obs

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

○A13.33.82.1082026-04-25 → 2026-05-09 · 37 obs

○A13.33.82.112026-04-25 → 2026-05-09 · 37 obs

○A13.33.82.452026-04-25 → 2026-05-09 · 37 obs

○A18.161.205.1112026-03-30 → 2026-05-18 · 39 obs

○ 2026-03-30 07:09:04
● 2026-03-30 13:02:44
○ 2026-03-31 03:17:38
○ 2026-04-11 01:38:50
● 2026-04-11 03:22:12
○ 2026-04-11 10:19:06
● 2026-04-11 15:17:40
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○ 2026-04-27 19:01:04
● 2026-04-27 23:22:14
○ 2026-04-28 00:28:34
● 2026-04-28 03:05:22
○ 2026-04-28 13:11:58
○ 2026-05-02 16:12:32
● 2026-05-02 17:46:00
○ 2026-05-03 00:27:44
○ 2026-05-06 06:52:02
● 2026-05-06 08:46:38
○ 2026-05-07 00:41:00
● 2026-05-07 01:55:06
○ 2026-05-07 05:01:24
○ 2026-05-09 20:50:00
● 2026-05-09 21:24:12
○ 2026-05-10 18:55:58
● 2026-05-10 21:04:18
○ 2026-05-11 22:45:44
○ 2026-05-13 12:01:30
● 2026-05-13 13:32:38
○ 2026-05-14 01:30:18
● 2026-05-14 04:39:48
○ 2026-05-14 11:01:38
○ 2026-05-15 23:23:12
● 2026-05-16 08:00:48
● 2026-05-16 10:08:32
○ 2026-05-16 13:25:44
○ 2026-05-18 04:10:16
● 2026-05-18 12:39:30
○ 2026-05-18 14:58:04
○ 2026-06-15 02:10:22

○A18.161.205.152026-03-30 → 2026-05-18 · 39 obs

○A18.161.205.512026-03-30 → 2026-05-18 · 39 obs

○A18.161.205.782026-03-30 → 2026-05-18 · 39 obs

○A18.165.98.122026-03-28 → 2026-06-15 · 28 obs

○ 2026-03-27 04:18:02
● 2026-03-28 00:51:12
○ 2026-03-28 02:09:08
○ 2026-05-21 08:12:18
● 2026-05-21 18:12:34
● 2026-05-21 19:22:48
○ 2026-05-21 20:26:00
○ 2026-05-22 03:51:04
● 2026-05-23 18:19:40
○ 2026-05-23 20:55:28
○ 2026-05-25 01:45:02
● 2026-05-25 02:27:24
○ 2026-05-25 03:44:48
○ 2026-05-25 05:17:06
● 2026-05-25 18:24:46
● 2026-05-26 10:32:26
○ 2026-05-26 14:13:56
○ 2026-06-12 10:05:02
● 2026-06-12 15:02:04
○ 2026-06-12 15:39:20
● 2026-06-12 18:11:52
● 2026-06-12 23:10:42
○ 2026-06-13 00:46:02
○ 2026-06-14 10:33:20
● 2026-06-14 17:57:52
● 2026-06-15 01:01:56
○ 2026-06-15 01:49:28
○ 2026-06-15 02:10:22

○A18.165.98.1252026-03-28 → 2026-06-15 · 28 obs

○A18.165.98.422026-03-28 → 2026-06-15 · 28 obs

○A18.165.98.672026-03-28 → 2026-06-15 · 28 obs

●A18.172.153.392026-03-26 → 2026-06-15 · 188 obs

○ 2026-03-26 05:22:48
● 2026-03-26 07:29:08
● 2026-03-27 01:31:12
○ 2026-03-27 04:18:02
○ 2026-03-28 00:51:12
● 2026-03-28 02:09:08
○ 2026-03-28 11:56:44
○ 2026-03-29 19:20:50
● 2026-03-29 23:10:06
● 2026-03-30 01:55:24
○ 2026-03-30 04:18:46
● 2026-03-30 07:09:04
○ 2026-03-30 13:02:44
● 2026-03-31 03:17:38
● 2026-03-31 03:49:00
○ 2026-03-31 11:49:24
● 2026-04-01 01:03:14
○ 2026-04-01 04:05:28
○ 2026-04-02 11:25:18
● 2026-04-02 12:00:36
○ 2026-04-02 14:09:30
● 2026-04-03 01:11:28
● 2026-04-04 00:04:18
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● 2026-04-04 09:39:10
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● 2026-04-20 21:59:56
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● 2026-06-15 01:49:28
● 2026-06-15 02:10:22

●A18.172.153.492026-03-26 → 2026-06-15 · 188 obs

●A18.172.153.702026-03-26 → 2026-06-15 · 188 obs

●A18.172.153.822026-03-26 → 2026-06-15 · 188 obs

○A18.239.183.1012026-05-16 → 2026-05-18 · 15 obs

○ 2026-05-16 20:23:30
● 2026-05-16 22:29:40
○ 2026-05-16 23:01:30
● 2026-05-16 23:57:00
● 2026-05-17 00:46:46
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● 2026-05-17 20:38:10
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● 2026-05-18 04:10:16
○ 2026-05-18 12:39:30
○ 2026-06-15 02:10:22

○A18.239.183.1292026-05-16 → 2026-05-18 · 15 obs

○A18.239.183.502026-05-16 → 2026-05-18 · 15 obs

○A18.239.183.522026-05-16 → 2026-05-18 · 15 obs

○A192.0.78.242016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 20:39:58
○ 2017-12-16 19:22:38
○ 2026-06-15 02:10:22

○A192.0.78.252016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 20:39:58
○ 2017-12-16 19:22:38
○ 2026-06-15 02:10:22

○A3.163.10.1062026-03-28 → 2026-06-14 · 130 obs

○ 2026-03-28 02:09:08
● 2026-03-28 11:56:44
● 2026-03-29 19:20:50
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○ 2026-03-30 01:55:24
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● 2026-06-02 18:16:48
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● 2026-06-10 18:47:26
○ 2026-06-10 21:54:36
● 2026-06-10 22:37:00
● 2026-06-11 00:44:18
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● 2026-06-11 15:07:24
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○ 2026-06-13 04:03:48
● 2026-06-13 10:17:54
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○ 2026-06-14 06:30:04
● 2026-06-14 10:33:20
○ 2026-06-14 17:57:52
○ 2026-06-15 02:10:22

○A3.163.10.1202026-03-28 → 2026-06-14 · 130 obs

○A3.163.10.1272026-03-28 → 2026-06-14 · 130 obs

○A3.163.10.262026-03-28 → 2026-06-14 · 130 obs

○A3.164.206.1172026-03-26 → 2026-06-02 · 7 obs

○ 2017-12-16 19:22:38
● 2026-03-26 05:22:48
○ 2026-03-26 07:29:08
○ 2026-06-02 19:59:44
● 2026-06-02 22:44:54
○ 2026-06-03 04:35:34
○ 2026-06-15 02:10:22

○A3.164.206.22026-03-26 → 2026-06-02 · 7 obs

○ 2017-12-16 19:22:38
● 2026-03-26 05:22:48
○ 2026-03-26 07:29:08
○ 2026-06-02 19:59:44
● 2026-06-02 22:44:54
○ 2026-06-03 04:35:34
○ 2026-06-15 02:10:22

○A3.164.206.252026-03-26 → 2026-06-02 · 7 obs

○ 2017-12-16 19:22:38
● 2026-03-26 05:22:48
○ 2026-03-26 07:29:08
○ 2026-06-02 19:59:44
● 2026-06-02 22:44:54
○ 2026-06-03 04:35:34
○ 2026-06-15 02:10:22

○A3.164.206.922026-03-26 → 2026-06-02 · 7 obs

○ 2017-12-16 19:22:38
● 2026-03-26 05:22:48
○ 2026-03-26 07:29:08
○ 2026-06-02 19:59:44
● 2026-06-02 22:44:54
○ 2026-06-03 04:35:34
○ 2026-06-15 02:10:22

○A3.174.113.1212026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-27 01:31:12
● 2026-03-27 04:18:02
○ 2026-03-28 00:51:12
○ 2026-06-15 02:10:22

○A3.174.113.502026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-27 01:31:12
● 2026-03-27 04:18:02
○ 2026-03-28 00:51:12
○ 2026-06-15 02:10:22

○A3.174.113.632026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-27 01:31:12
● 2026-03-27 04:18:02
○ 2026-03-28 00:51:12
○ 2026-06-15 02:10:22

○A3.174.113.722026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-27 01:31:12
● 2026-03-27 04:18:02
○ 2026-03-28 00:51:12
○ 2026-06-15 02:10:22

○A52.85.12.1062026-05-19 → 2026-06-08 · 47 obs

○ 2026-05-19 04:09:36
● 2026-05-19 11:41:38
● 2026-05-21 08:12:18
○ 2026-05-21 18:12:34
○ 2026-05-21 19:22:48
● 2026-05-21 20:26:00
● 2026-05-22 03:51:04
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● 2026-05-25 01:45:02
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● 2026-05-25 05:17:06
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● 2026-05-29 07:21:08
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● 2026-06-05 10:40:02
● 2026-06-08 03:42:40
○ 2026-06-08 07:43:14
○ 2026-06-15 02:10:22

○A52.85.12.142026-05-19 → 2026-06-08 · 47 obs

○A52.85.12.492026-05-19 → 2026-06-08 · 47 obs

○A52.85.12.942026-05-19 → 2026-06-08 · 47 obs

○A54.192.151.1182026-05-27 → 2026-06-05 · 28 obs

○ 2026-05-26 14:13:56
● 2026-05-27 14:56:54
○ 2026-05-27 23:40:30
○ 2026-05-28 03:41:50
● 2026-05-28 14:04:20
● 2026-05-28 18:27:38
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● 2026-05-29 19:22:26
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● 2026-05-31 13:31:44
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● 2026-06-02 05:30:56
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● 2026-06-03 04:35:34
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● 2026-06-05 06:27:32
○ 2026-06-05 10:40:02
○ 2026-06-15 02:10:22

○A54.192.151.1232026-05-27 → 2026-06-05 · 28 obs

○A54.192.151.512026-05-27 → 2026-06-05 · 28 obs

○A54.192.151.992026-05-27 → 2026-06-05 · 28 obs

○A65.8.76.1192026-06-02 → 2026-06-02 · 4 obs

○ 2026-06-01 17:58:50
● 2026-06-02 02:17:06
○ 2026-06-02 05:30:56
○ 2026-06-15 02:10:22

○A65.8.76.132026-06-02 → 2026-06-02 · 4 obs

○ 2026-06-01 17:58:50
● 2026-06-02 02:17:06
○ 2026-06-02 05:30:56
○ 2026-06-15 02:10:22

○A65.8.76.832026-06-02 → 2026-06-02 · 4 obs

○ 2026-06-01 17:58:50
● 2026-06-02 02:17:06
○ 2026-06-02 05:30:56
○ 2026-06-15 02:10:22

○A65.8.76.872026-06-02 → 2026-06-02 · 4 obs

○ 2026-06-01 17:58:50
● 2026-06-02 02:17:06
○ 2026-06-02 05:30:56
○ 2026-06-15 02:10:22

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-12-16 → 2017-12-16 · 3 obs

● 2017-12-16 19:22:38
○ 2026-03-26 05:22:48
○ 2026-06-15 02:10:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
studyib.com	ns-146.awsdns-18.com, ns-766.awsdns-31.net, ns-1034.awsdns-01.org, ns-1901.awsdns-45.co.uk	2 records

✅ Authoritative Response

Server:205.251.194.254

NS records: ns-146.awsdns-18.com, ns-766.awsdns-31.net, ns-1034.awsdns-01.org, ns-1901.awsdns-45.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyib.com (unsigned zone)

⏱️ Timing

Total: 1517ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.165.98.125, 18.165.98.42...`
NS	4	`ns-1034.awsdns-01.org, ns-146.awsdns-18.com...`
TXT	1	`google-site-verification=7c4rfwZXc8gb-CS`
SOA	1	`ns-766.awsdns-31.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-146.awsdns-18.com, ns-146.awsdns-18.com)

Analysis

IP Addresses

studyib.com has four IP addresses: 18.172.153.39, 18.172.153.49, 18.172.153.70 and 18.172.153.82.

Among the host names that share IP numbers with studyib.com are di4uo49hh4tn5.cloudfront.net, cg523.com, assets.slipcase.com and two others.

Name Servers

The domain studyib.com is delegated to these four name servers: ns-146.awsdns-18.com, ns-766.awsdns-31.net, ns-1034.awsdns-01.org and ns-1901.awsdns-45.co.uk.

studyib.com partially shares its NS delegation with several other domains, including 187.246.44.in-addr.arpa, 178.253.44.in-addr.arpa, 62.231.44.in-addr.arpa and two others.

The name servers ns1-24-us-west-2.ec2-rdns.amazonaws.com, ns2-24-us-west-2.ec2-rdns.amazonaws.com, ns3-24-us-west-2.ec2-rdns.amazonaws.com and ns4-24-us-west-2.ec2-rdns.amazonaws.com are often found in use alongside these name servers.

ns-146.awsdns-18.com, ns-766.awsdns-31.net, ns-1034.awsdns-01.org and ns-1901.awsdns-45.co.uk each carry two IP addresses. ns-146.awsdns-18.com has 205.251.192.146 and 2600:9000:5300:9200::1; ns-766.awsdns-31.net has 205.251.194.254 and 2600:9000:5302:fe00::1; ns-1034.awsdns-01.org has 205.251.196.10 and 2600:9000:5304:a00::1; ns-1901.awsdns-45.co.uk has 205.251.199.109 and 2600:9000:5307:6d00::1.