`study.com`

DNSSEC	⚠️ Not signed
A	18.165.98.55^{🇺🇸 Amazon18.165.96.0/21}
		PTR	`server-18-165-98-55.iad55.r.cloudfront.net`
A	18.165.98.66^{🇺🇸 Amazon18.165.96.0/21}
A	18.165.98.74^{🇺🇸 Amazon18.165.96.0/21}
A	18.165.98.84^{🇺🇸 Amazon18.165.96.0/21}
NS	`ns-392.awsdns-49.com` ⭐
		A	2600:9000:5301:8800::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-392.awsdns-49.com`
		A	205.251.193.136^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-392.awsdns-49.com`
NS	`ns-1304.awsdns-35.org`
		A	2600:9000:5305:1800::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1304.awsdns-35.org`
		A	205.251.197.24^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1304.awsdns-35.org`
NS	`ns-1779.awsdns-30.co.uk`
		A	2600:9000:5306:f300::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1779.awsdns-30.co.uk`
		A	205.251.198.243^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1779.awsdns-30.co.uk`
NS	`ns-624.awsdns-14.net`
		A	2600:9000:5302:7000::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-624.awsdns-14.net`
		A	205.251.194.112^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-624.awsdns-14.net`
MX	`study-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c946::6^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f805::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f913::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr05cu00101.inbound.protection.outlook.com`
		A	52.101.11.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00103.inbound.protection.outlook.com`
		A	52.101.11.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr04cu00203.inbound.protection.outlook.com`
		A	52.101.41.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.194.15^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch4pr21cu00107.inbound.protection.outlook.com`
TXT	`MS=ms53113204`
TXT	`anthropic-domain-verification-rpq4ch=KMgCpOdKlhyxDcpnZpOYPqvaA`
TXT	`apple-domain-verification=WU33XtJXYKYWBMFX`
TXT	`cl_verification=c82fcdfd-f3e8-440e-a553-075ccfb9af20`
TXT	`cursor-domain-verification-ny0f80=30Aq6N8hwrj7srchColYKffpq`
TXT	`duo_sso_verification=MNU9cp5aDypJt2DBAGz4CAKM7ijf4ndFkFQGV5RXGAvm7TXuFTE8NryA...`
TXT	`facebook-domain-verification=tsae1foie2qaareu3im55ce7f94um4`
TXT	`google-site-verification=npT3ySvxTpGr9K-IVFznVPyvQGXizsuSqfZwZ6OM9sw`
TXT	`jetbrains-domain-verification=873cp9sujsg84omvia609id4y`
TXT	`notion-domain-verification=JVpsroUh51QRmm3c0qgf6BAlXGueQVsgk77WYIxsV4n`
TXT	`openai-domain-verification=dv-pWizcYPDNLxMW4Cq4ZpH5Dig`
TXT	`tinfoil-site-verification: 7f6e32f1d799323409819484f7f443d54ad67003=e5de9446f...`
TXT	`v=spf1 ip4:54.165.180.232 include:transmail.net include:spf.clearslide.com in...`
TXT	`zoho-verification=zb44730188.zmverify.zoho.com`
SOA	`ns-392.awsdns-49.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=1783143431

rank #2220 globally
rank #1171 in the tld
WOT: SAFE (85/100)
📈 Tranco rank: #6,222

Subdomains

cdn.study.com

mta97.study.com

jobs.study.com

elink.study.com

contractorjobs.study.com

dd.study.com

pbx.study.com

mail.study.com

support.study.com

ext.study.com

www.study.com

homework.study.com

videos.study.com

Same first word

study.com.mx

study.gr

study.at

study.mn

study.kiev.ua

study.support

study.fi

study.credit

study.church

study.land

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study.es

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study.com.pk

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study.help

study.tj

study.technology

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study.tube

study.guide

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study.ltd

study.black

study.cat

study.us

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study.directory

study.nl

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study.tours

study.kz

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study.de

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study.uk.net

study.company

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study.foundation

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study.mba

study.engineering

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study.computer

study.ru

study.loans

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study.matrix.jp

study.brussels

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study.gr.jp

study.travel

study

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study.in.th

study.direct

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study.cm

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study.tw

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study.ne.jp

study.blue

study.express

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study.co.uk

study.today

study.ne.kr

study.no

study.new

study.bet

study.life

study.training

study.boats

study.lv

study.su

study.academy

study.mobi

study.group

Similar names

duyts.amsterdam

dusty.se

dusty.cz

dusty.readthedocs.io

dusty.gr

dusty.no

dusty.page

stduy.com

dusty.wtf

dusty.tv

dusty.ru

dyust.io

dusty.nl

dusty.dk

dusty.work

ystud.com

dusty.com

tydus.com

sutdy.com

dusty.ee

dusty.us

dstuy.com

dusty.co.uk

dusty.it

study.ly

study.uz

dusty.kasserver.com

study.cz

dusty.com.br

tudsy.com

study.skin

DNS History

102 records (9 active, 93 former)

○NSenterprise.pulver.com2007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 05:18:52
○ 2015-08-22 23:52:42
○ 2026-07-04 05:48:52

●NSns-1304.awsdns-35.org2015-08-22 → 2026-07-04 · 3 obs

○ 2007-10-23 05:18:52
● 2015-08-22 23:52:42
● 2026-07-04 05:48:52

●NSns-1779.awsdns-30.co.uk2015-08-22 → 2026-07-04 · 3 obs

○ 2007-10-23 05:18:52
● 2015-08-22 23:52:42
● 2026-07-04 05:48:52

●NSns-392.awsdns-49.com2015-08-22 → 2026-07-04 · 3 obs

○ 2007-10-23 05:18:52
● 2015-08-22 23:52:42
● 2026-07-04 05:48:52

●NSns-624.awsdns-14.net2015-08-22 → 2026-07-04 · 3 obs

○ 2007-10-23 05:18:52
● 2015-08-22 23:52:42
● 2026-07-04 05:48:52

○NSspock.pulver.com2007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 05:18:52
○ 2015-08-22 23:52:42
○ 2026-07-04 05:48:52

○MXmail.study.com2007-10-23 → 2016-01-28 · 4 obs

● 2007-10-23 05:18:52
● 2016-01-28 14:44:32
○ 2016-05-01 18:56:22
○ 2026-07-04 05:48:52

●MXstudy-com.mail.protection.outlook.com2016-05-01 → 2026-07-04 · 6 obs

○ 2016-01-28 14:44:32
● 2016-05-01 18:56:22
● 2021-06-25 08:14:14
○ 2026-06-20 05:26:14
● 2026-06-20 08:04:00
● 2026-07-04 05:48:52

○A107.23.224.22015-11-16 → 2019-06-11 · 19 obs

○ 2015-11-04 07:09:54
● 2015-11-16 16:17:30
● 2016-01-26 05:05:30
○ 2016-01-28 14:44:32
○ 2016-05-01 18:56:22
● 2016-05-18 23:54:30
○ 2016-08-09 03:30:14
● 2016-10-24 12:38:10
○ 2016-11-03 00:44:32
● 2017-01-22 18:31:22
● 2017-02-11 20:47:52
○ 2017-02-21 21:08:26
○ 2017-10-14 15:28:58
● 2018-05-10 19:47:50
● 2019-05-21 17:34:42
○ 2019-06-09 15:11:58
● 2019-06-11 03:39:20
○ 2019-08-16 08:24:30
○ 2026-07-04 05:48:52

○A107.23.88.722015-11-04 → 2019-06-11 · 21 obs

○ 2015-10-27 01:41:48
● 2015-11-04 07:09:54
○ 2015-11-16 16:17:30
○ 2016-01-26 05:05:30
● 2016-01-28 14:44:32
● 2016-05-01 18:56:22
○ 2016-05-18 23:54:30
● 2016-08-09 03:30:14
○ 2016-10-24 12:38:10
● 2016-11-03 00:44:32
○ 2017-01-22 18:31:22
○ 2017-02-11 20:47:52
● 2017-02-21 21:08:26
● 2017-10-14 15:28:58
○ 2018-05-10 19:47:50
● 2019-03-12 13:28:38
● 2019-05-21 17:34:42
○ 2019-06-09 15:11:58
● 2019-06-11 03:39:20
○ 2019-08-16 08:24:30
○ 2026-07-04 05:48:52

○A108.139.113.1162026-04-08 → 2026-06-06 · 18 obs

○ 2026-04-05 08:36:26
● 2026-04-08 08:27:16
● 2026-04-08 20:03:42
○ 2026-04-09 02:29:04
○ 2026-04-09 12:37:26
● 2026-04-09 15:37:46
○ 2026-04-10 00:10:54
○ 2026-04-14 05:16:24
● 2026-04-14 10:28:12
● 2026-04-14 20:45:20
○ 2026-04-14 21:32:02
○ 2026-04-18 02:12:08
● 2026-04-18 06:50:36
○ 2026-04-18 10:18:08
○ 2026-06-06 16:23:58
● 2026-06-06 19:30:16
○ 2026-06-06 20:31:32
○ 2026-07-04 05:48:52

○A108.139.113.32026-04-08 → 2026-06-06 · 18 obs

○A108.139.113.482026-04-08 → 2026-06-06 · 18 obs

○A108.139.113.742026-04-08 → 2026-06-06 · 18 obs

○A108.139.166.1022026-04-15 → 2026-06-06 · 16 obs

○ 2026-04-14 21:32:02
● 2026-04-15 00:14:24
○ 2026-04-15 06:49:48
○ 2026-05-14 16:02:06
● 2026-05-15 05:50:36
○ 2026-05-15 18:08:40
○ 2026-06-03 06:42:18
● 2026-06-03 08:03:56
○ 2026-06-03 09:00:58
○ 2026-06-04 22:50:16
● 2026-06-05 08:53:14
○ 2026-06-05 10:49:04
○ 2026-06-06 04:12:34
● 2026-06-06 07:43:56
○ 2026-06-06 10:30:08
○ 2026-07-04 05:48:52

○A108.139.166.32026-04-15 → 2026-06-06 · 16 obs

○A108.139.166.422026-04-15 → 2026-06-06 · 16 obs

○A108.139.166.712026-04-15 → 2026-06-06 · 16 obs

○A108.158.173.1042026-03-28 → 2026-06-10 · 17 obs

○ 2026-03-28 00:13:16
● 2026-03-28 10:41:46
● 2026-03-29 12:29:00
○ 2026-03-29 19:29:54
● 2026-03-30 00:15:08
○ 2026-03-30 16:24:42
○ 2026-04-12 06:07:36
● 2026-04-12 14:36:48
● 2026-04-14 00:16:04
○ 2026-04-14 01:37:48
○ 2026-06-08 16:35:50
● 2026-06-08 23:04:12
○ 2026-06-10 04:46:50
○ 2026-06-10 19:31:50
● 2026-06-10 21:22:58
○ 2026-06-10 22:24:14
○ 2026-07-04 05:48:52

○A108.158.173.1242026-03-28 → 2026-06-10 · 17 obs

○A108.158.173.392026-03-28 → 2026-06-10 · 17 obs

○A108.158.173.72026-03-28 → 2026-06-10 · 17 obs

○A108.158.194.1202026-06-03 → 2026-06-03 · 4 obs

○ 2026-06-03 14:14:26
● 2026-06-03 15:10:56
○ 2026-06-03 17:09:26
○ 2026-07-04 05:48:52

○A108.158.194.172026-06-03 → 2026-06-03 · 4 obs

○ 2026-06-03 14:14:26
● 2026-06-03 15:10:56
○ 2026-06-03 17:09:26
○ 2026-07-04 05:48:52

○A108.158.194.552026-06-03 → 2026-06-03 · 4 obs

○ 2026-06-03 14:14:26
● 2026-06-03 15:10:56
○ 2026-06-03 17:09:26
○ 2026-07-04 05:48:52

○A108.158.194.82026-06-03 → 2026-06-03 · 4 obs

○ 2026-06-03 14:14:26
● 2026-06-03 15:10:56
○ 2026-06-03 17:09:26
○ 2026-07-04 05:48:52

○A13.224.252.1042026-05-31 → 2026-05-31 · 4 obs

○ 2026-05-30 10:25:00
● 2026-05-31 19:34:48
○ 2026-05-31 23:25:12
○ 2026-07-04 05:48:52

○A13.224.252.232026-05-31 → 2026-05-31 · 4 obs

○ 2026-05-30 10:25:00
● 2026-05-31 19:34:48
○ 2026-05-31 23:25:12
○ 2026-07-04 05:48:52

○A13.224.252.72026-05-31 → 2026-05-31 · 4 obs

○ 2026-05-30 10:25:00
● 2026-05-31 19:34:48
○ 2026-05-31 23:25:12
○ 2026-07-04 05:48:52

○A13.224.252.742026-05-31 → 2026-05-31 · 4 obs

○ 2026-05-30 10:25:00
● 2026-05-31 19:34:48
○ 2026-05-31 23:25:12
○ 2026-07-04 05:48:52

○A13.32.205.1102026-05-19 → 2026-07-01 · 25 obs

○ 2026-05-18 23:44:32
● 2026-05-19 20:42:08
● 2026-05-20 05:01:32
○ 2026-05-20 05:48:48
● 2026-05-20 08:31:34
○ 2026-05-21 10:56:34
● 2026-05-21 21:50:08
● 2026-05-29 06:44:44
○ 2026-05-30 10:25:00
○ 2026-06-03 11:41:36
● 2026-06-03 14:14:26
● 2026-06-07 19:11:08
○ 2026-06-07 19:46:52
● 2026-06-07 20:40:14
● 2026-06-08 06:26:10
○ 2026-06-08 09:07:16
● 2026-07-01 06:29:04
○ 2026-07-01 08:09:22
● 2026-07-01 15:32:36
○ 2026-07-01 16:10:38
● 2026-07-01 18:28:00
○ 2026-07-01 21:54:18
● 2026-07-01 23:39:14
○ 2026-07-02 00:25:52
○ 2026-07-04 05:48:52

○A13.32.205.1172026-05-19 → 2026-07-01 · 25 obs

○A13.32.205.522026-05-19 → 2026-07-01 · 25 obs

○A13.32.205.892026-05-19 → 2026-07-01 · 25 obs

○A13.33.109.382026-04-22 → 2026-05-17 · 16 obs

○ 2026-04-21 22:02:44
● 2026-04-22 00:29:00
○ 2026-04-22 03:45:54
○ 2026-04-25 05:31:32
● 2026-04-25 06:37:30
○ 2026-04-25 10:33:08
○ 2026-05-09 10:49:32
● 2026-05-10 05:13:02
○ 2026-05-10 20:02:02
○ 2026-05-11 20:35:16
● 2026-05-12 13:24:24
○ 2026-05-13 12:52:04
○ 2026-05-17 18:34:50
● 2026-05-17 21:59:12
○ 2026-05-18 09:39:08
○ 2026-07-04 05:48:52

○A13.33.109.432026-04-22 → 2026-05-17 · 16 obs

○A13.33.109.532026-04-22 → 2026-05-17 · 16 obs

○A13.33.109.802026-04-22 → 2026-05-17 · 16 obs

○A18.134.27.72021-06-25 → 2021-06-25 · 4 obs

○ 2021-04-09 12:33:46
● 2021-06-25 08:14:14
○ 2026-02-15 10:23:46
○ 2026-07-04 05:48:52

○A18.164.68.1012026-03-26 → 2026-03-26 · 5 obs

○ 2026-03-24 14:13:10
● 2026-03-26 03:31:14
● 2026-03-26 04:41:16
○ 2026-03-26 05:55:50
○ 2026-07-04 05:48:52

○A18.164.68.1042026-03-26 → 2026-03-26 · 5 obs

○ 2026-03-24 14:13:10
● 2026-03-26 03:31:14
● 2026-03-26 04:41:16
○ 2026-03-26 05:55:50
○ 2026-07-04 05:48:52

○A18.164.68.592026-03-26 → 2026-03-26 · 5 obs

○ 2026-03-24 14:13:10
● 2026-03-26 03:31:14
● 2026-03-26 04:41:16
○ 2026-03-26 05:55:50
○ 2026-07-04 05:48:52

○A18.164.68.862026-03-26 → 2026-03-26 · 5 obs

○ 2026-03-24 14:13:10
● 2026-03-26 03:31:14
● 2026-03-26 04:41:16
○ 2026-03-26 05:55:50
○ 2026-07-04 05:48:52

○A18.165.116.1192026-03-30 → 2026-06-29 · 28 obs

○ 2026-03-30 18:15:08
● 2026-03-30 19:36:50
○ 2026-03-31 03:26:04
○ 2026-03-31 12:14:24
● 2026-03-31 13:54:32
○ 2026-04-01 11:32:40
● 2026-04-02 08:27:32
○ 2026-04-02 19:01:30
○ 2026-04-04 01:19:12
● 2026-04-05 00:18:58
○ 2026-04-05 08:36:26
○ 2026-05-21 19:42:40
● 2026-06-18 15:29:24
● 2026-06-20 08:04:00
○ 2026-06-20 12:42:22
● 2026-06-20 17:57:28
○ 2026-06-20 21:52:36
● 2026-06-23 12:05:48
○ 2026-06-23 15:36:02
● 2026-06-26 22:02:02
○ 2026-06-27 00:53:36
● 2026-06-28 09:50:10
○ 2026-06-28 10:23:26
● 2026-06-29 02:57:36
○ 2026-06-29 10:19:36
● 2026-06-29 15:41:34
○ 2026-06-29 17:33:46
○ 2026-07-04 05:48:52

○A18.165.116.272026-03-30 → 2026-06-29 · 28 obs

○A18.165.116.352026-03-30 → 2026-06-29 · 28 obs

○A18.165.116.532026-03-30 → 2026-06-29 · 28 obs

○A18.165.140.1192026-03-24 → 2026-03-27 · 11 obs

○ 2026-03-24 07:51:10
● 2026-03-24 13:04:42
○ 2026-03-24 14:13:10
○ 2026-03-26 04:41:16
● 2026-03-26 05:55:50
○ 2026-03-26 08:11:04
○ 2026-03-27 09:35:26
● 2026-03-27 18:20:14
● 2026-03-27 19:13:30
○ 2026-03-28 00:13:16
○ 2026-07-04 05:48:52

○A18.165.140.1222026-03-24 → 2026-03-27 · 11 obs

○A18.165.140.242026-03-24 → 2026-03-27 · 11 obs

○A18.165.140.322026-03-24 → 2026-03-27 · 11 obs

●A18.165.98.552026-02-17 → 2026-07-04 · 59 obs

○ 2026-02-15 10:23:46
○ 2026-02-16 22:16:06
● 2026-02-17 00:10:02
○ 2026-02-17 08:44:22
○ 2026-03-23 01:22:40
● 2026-03-24 07:51:10
○ 2026-03-24 13:04:42
○ 2026-05-20 08:31:34
● 2026-05-21 10:56:34
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● 2026-06-20 21:52:36
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● 2026-06-21 06:42:26
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● 2026-06-22 23:13:44
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● 2026-06-26 13:23:10
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● 2026-06-27 00:53:36
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● 2026-06-27 05:34:00
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● 2026-06-27 10:08:34
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● 2026-06-27 17:36:24
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● 2026-06-28 23:24:28
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● 2026-06-29 11:36:38
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● 2026-06-29 23:12:02
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● 2026-07-01 16:10:38
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● 2026-07-02 05:48:00
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● 2026-07-03 17:44:16
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● 2026-07-04 05:48:50
● 2026-07-04 05:48:52

●A18.165.98.662026-02-17 → 2026-07-04 · 59 obs

●A18.165.98.742026-02-17 → 2026-07-04 · 59 obs

●A18.165.98.842026-02-17 → 2026-07-04 · 59 obs

○A18.244.124.162026-02-15 → 2026-06-20 · 16 obs

○ 2026-02-15 10:23:46
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○A18.244.124.292026-02-15 → 2026-06-20 · 16 obs

○A18.244.124.512026-02-15 → 2026-06-20 · 16 obs

○A18.244.124.872026-02-15 → 2026-06-20 · 16 obs

○A18.67.162.232026-06-10 → 2026-07-04 · 34 obs

○ 2026-06-10 21:22:58
● 2026-06-10 22:24:14
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● 2026-06-11 05:06:26
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○ 2026-07-04 05:48:52

○A18.67.162.302026-06-10 → 2026-07-04 · 34 obs

○A18.67.162.542026-06-10 → 2026-07-04 · 34 obs

○A18.67.162.972026-06-10 → 2026-07-04 · 34 obs

○A192.246.69.2352007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 05:18:52
○ 2015-08-22 23:52:42
○ 2026-07-04 05:48:52

○A207.97.195.1092015-08-22 → 2015-10-27 · 5 obs

○ 2007-10-23 05:18:52
● 2015-08-22 23:52:42
● 2015-10-27 01:41:48
○ 2015-11-04 07:09:54
○ 2026-07-04 05:48:52

○A3.10.168.862021-06-25 → 2021-06-25 · 4 obs

○ 2021-04-09 12:33:46
● 2021-06-25 08:14:14
○ 2026-02-15 10:23:46
○ 2026-07-04 05:48:52

○A3.165.232.132026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-06 02:57:30
● 2026-03-22 01:09:08
○ 2026-03-22 01:54:56
○ 2026-07-04 05:48:52

○A3.165.232.272026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-06 02:57:30
● 2026-03-22 01:09:08
○ 2026-03-22 01:54:56
○ 2026-07-04 05:48:52

○A3.165.232.492026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-06 02:57:30
● 2026-03-22 01:09:08
○ 2026-03-22 01:54:56
○ 2026-07-04 05:48:52

○A3.165.232.552026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-06 02:57:30
● 2026-03-22 01:09:08
○ 2026-03-22 01:54:56
○ 2026-07-04 05:48:52

○A3.168.147.1272026-02-15 → 2026-07-04 · 25 obs

○ 2021-06-25 08:14:14
● 2026-02-15 10:23:46
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● 2026-02-15 19:15:50
○ 2026-02-15 23:52:58
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○A3.168.147.282026-02-15 → 2026-07-04 · 25 obs

○A3.168.147.332026-02-15 → 2026-07-04 · 25 obs

○A3.168.147.452026-02-15 → 2026-07-04 · 25 obs

○A3.174.59.222026-03-30 → 2026-07-03 · 22 obs

○ 2026-03-30 00:15:08
● 2026-03-30 13:49:32
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● 2026-07-03 01:51:34
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○ 2026-07-04 05:48:52

○A3.174.59.372026-03-30 → 2026-07-03 · 22 obs

○A3.174.59.772026-03-30 → 2026-07-03 · 22 obs

○A3.174.59.822026-03-30 → 2026-07-03 · 22 obs

○A52.0.4.2522015-11-16 → 2019-08-16 · 21 obs

○ 2015-11-04 07:09:54
● 2015-11-16 16:17:30
● 2016-01-26 05:05:30
○ 2016-01-28 14:44:32
● 2016-05-01 18:56:22
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● 2016-08-09 03:30:14
● 2016-10-24 12:38:10
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● 2017-01-22 18:31:22
● 2017-02-11 20:47:52
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● 2018-05-10 19:47:50
○ 2019-03-12 13:28:38
○ 2019-05-21 17:34:42
● 2019-06-09 15:11:58
○ 2019-06-11 03:39:20
● 2019-08-16 08:24:30
○ 2021-04-09 12:33:46
○ 2026-07-04 05:48:52

○A52.6.55.2292015-11-04 → 2019-08-16 · 21 obs

○ 2015-10-27 01:41:48
● 2015-11-04 07:09:54
○ 2015-11-16 16:17:30
○ 2016-01-26 05:05:30
● 2016-01-28 14:44:32
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● 2016-05-18 23:54:30
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● 2016-11-03 00:44:32
○ 2017-01-22 18:31:22
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● 2017-02-21 21:08:26
● 2017-10-14 15:28:58
○ 2018-05-10 19:47:50
○ 2019-05-21 17:34:42
● 2019-06-09 15:11:58
○ 2019-06-11 03:39:20
● 2019-08-16 08:24:30
○ 2021-04-09 12:33:46
○ 2026-07-04 05:48:52

○A52.85.78.1162026-06-16 → 2026-06-17 · 10 obs

○ 2026-06-16 15:06:48
● 2026-06-16 22:53:12
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● 2026-06-17 07:00:28
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○ 2026-07-04 05:48:52

○A52.85.78.312026-06-16 → 2026-06-17 · 10 obs

○A52.85.78.522026-06-16 → 2026-06-17 · 10 obs

○A52.85.78.542026-06-16 → 2026-06-17 · 10 obs

○A52.9.81.502021-04-09 → 2021-04-09 · 4 obs

○ 2019-08-16 08:24:30
● 2021-04-09 12:33:46
○ 2021-06-25 08:14:14
○ 2026-07-04 05:48:52

○A54.177.233.22021-04-09 → 2021-04-09 · 4 obs

○ 2019-08-16 08:24:30
● 2021-04-09 12:33:46
○ 2021-06-25 08:14:14
○ 2026-07-04 05:48:52

○A54.192.151.582026-05-29 → 2026-06-06 · 18 obs

○ 2026-05-29 06:44:44
● 2026-05-29 17:47:08
● 2026-05-29 20:29:46
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● 2026-06-01 22:45:46
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● 2026-06-06 14:13:06
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○A54.192.151.622026-05-29 → 2026-06-06 · 18 obs

○A54.192.151.712026-05-29 → 2026-06-06 · 18 obs

○A54.192.151.92026-05-29 → 2026-06-06 · 18 obs

○A54.230.201.1212026-04-23 → 2026-06-30 · 53 obs

○ 2026-04-22 03:45:54
● 2026-04-23 02:27:36
● 2026-04-25 05:31:32
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● 2026-04-25 10:33:08
● 2026-05-08 10:51:46
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● 2026-05-15 18:08:40
● 2026-05-18 23:44:32
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● 2026-06-19 12:52:50
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● 2026-06-21 00:42:22
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● 2026-06-21 08:31:24
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● 2026-06-27 06:14:28
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● 2026-06-27 16:26:32
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● 2026-06-27 23:09:28
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● 2026-06-29 02:00:54
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● 2026-06-30 01:52:38
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○ 2026-07-04 05:48:52

○A54.230.201.302026-04-23 → 2026-06-30 · 53 obs

○A54.230.201.412026-04-23 → 2026-06-30 · 53 obs

○A54.230.201.732026-04-23 → 2026-06-30 · 53 obs

○A65.8.76.1282026-05-30 → 2026-06-02 · 10 obs

○ 2026-05-30 00:54:50
● 2026-05-30 02:49:32
○ 2026-05-30 04:27:08
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● 2026-05-31 23:25:12
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● 2026-06-02 01:40:12
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○A65.8.76.162026-05-30 → 2026-06-02 · 10 obs

○A65.8.76.532026-05-30 → 2026-06-02 · 10 obs

○A65.8.76.592026-05-30 → 2026-06-02 · 10 obs

○A99.84.152.1032026-05-17 → 2026-05-17 · 4 obs

○ 2026-05-16 18:39:12
● 2026-05-17 08:43:20
○ 2026-05-17 18:34:50
○ 2026-07-04 05:48:52

○A99.84.152.122026-05-17 → 2026-05-17 · 4 obs

○ 2026-05-16 18:39:12
● 2026-05-17 08:43:20
○ 2026-05-17 18:34:50
○ 2026-07-04 05:48:52

○A99.84.152.222026-05-17 → 2026-05-17 · 4 obs

○ 2026-05-16 18:39:12
● 2026-05-17 08:43:20
○ 2026-05-17 18:34:50
○ 2026-07-04 05:48:52

○A99.84.152.722026-05-17 → 2026-05-17 · 4 obs

○ 2026-05-16 18:39:12
● 2026-05-17 08:43:20
○ 2026-05-17 18:34:50
○ 2026-07-04 05:48:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net...	-
study.com	ns-624.awsdns-14.net, ns-392.awsdns-49.com, ns-1779.awsdns-30.co.uk, ns-1304.awsdns-35.org	2 records

✅ Authoritative Response

Server:205.251.194.112

NS records: ns-624.awsdns-14.net, ns-392.awsdns-49.com, ns-1779.awsdns-30.co.uk, ns-1304.awsdns-35.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study.com (unsigned zone)

⏱️ Timing

Total: 391ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.165.98.74, 18.165.98.66...`
NS	4	`ns-1304.awsdns-35.org, ns-1779.awsdns-30.co.uk...`
MX	1	`study-com.mail.protection.outlook.com (p`
TXT	14	`MS=ms53113204, anthropic-domain-verification-rpq4ch=KMg...`
SOA	1	`ns-392.awsdns-49.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-392.awsdns-49.com, ns-392.awsdns-49.com)

Analysis

Hierarchy

Among the subdomains of study.com are cdn.study.com, mta97.study.com, jobs.study.com, elink.study.com, contractorjobs.study.com and a few other host names.

IP Addresses

study.com points to the four IP addresses 18.165.98.55, 18.165.98.66, 18.165.98.74 and 18.165.98.84.

Among the host names that share IP numbers with study.com are pinpointpredictive.com, app-qa.scalematters.com, static.phantombuster.com and two others.

Name Servers

The domain study.com is delegated to these four name servers: ns-392.awsdns-49.com, ns-624.awsdns-14.net, ns-1304.awsdns-35.org and ns-1779.awsdns-30.co.uk.

There is at least partial name server overlap between study.com and other domains — getaim.co, yrekalittleleague.org, harrigan.info and two more among them.

All four hostnames — ns-392.awsdns-49.com, ns-624.awsdns-14.net, ns-1304.awsdns-35.org and ns-1779.awsdns-30.co.uk — resolve to two IP numbers apiece: ns-392.awsdns-49.com to 205.251.193.136 and 2600:9000:5301:8800::1; ns-624.awsdns-14.net to 205.251.194.112 and 2600:9000:5302:7000::1; ns-1304.awsdns-35.org to 205.251.197.24 and 2600:9000:5305:1800::1; ns-1779.awsdns-30.co.uk to 205.251.198.243 and 2600:9000:5306:f300::1.

Mail Servers

study.com routes its mail through a single mail server, study-com.mail.protection.outlook.com.

study-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.11.3, 52.101.11.19 and 52.101.41.0, along with 5 other.

study.com - robtex.com

study.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`study.com`

`com`