`study.org`

DNSSEC	⚠️ Not signed
A	54.82.163.189^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
		PTR	`ec2-54-82-163-189.compute-1.amazonaws.com`
A	100.63.17.224^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
NS	`ns-1956.awsdns-52.co.uk` ⭐
		A	2600:9000:5307:a400::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1956.awsdns-52.co.uk`
		A	205.251.199.164^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1956.awsdns-52.co.uk`
NS	`ns-101.awsdns-12.com`
		A	2600:9000:5300:6500::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-101.awsdns-12.com`
		A	205.251.192.101^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-101.awsdns-12.com`
NS	`ns-1179.awsdns-19.org`
		A	2600:9000:5304:9b00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1179.awsdns-19.org`
		A	205.251.196.155^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1179.awsdns-19.org`
NS	`ns-881.awsdns-46.net`
		A	2600:9000:5303:7100::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-881.awsdns-46.net`
		A	205.251.195.113^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-881.awsdns-46.net`
MX	`study-org.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c927::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr05cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f905::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm5pr02cu00203.inbound.protection.outlook.com`
		A	52.101.9.20^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr02cu00604.inbound.protection.outlook.com`
		A	52.101.10.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr02cu00301.inbound.protection.outlook.com`
		A	52.101.41.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00103.inbound.protection.outlook.com`
		A	52.101.194.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00303.inbound.protection.outlook.com`
TXT	`MS=ms35994967`
TXT	`duo_sso_verification=bpgtue7gxIsI03hZbEDcRnZ4qSeuiLQUJZbavPfoyXSyLLHwc38hgPyE...`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns-1956.awsdns-52.co.uk`awsdns-hostmaster@amazon.com serial=1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1786651566

Subdomains

mail.study.org

www.study.org

Same first word

study.to

study.nu

study.co.il

study.by

study.com.mx

study.gr

study.at

study.mn

study.kiev.ua

study.support

study.fi

study.credit

study.church

study.sa

study.land

study.world

study.es

study.ir

study.uk

study.net

study.team

study.cafe

study.vic.gov.au

study.com.pk

study.sk

study.monash

study.ca

study.ac.id

study.help

study.tj

study.technology

study.beauty

study.tube

study.guide

study.id

study.ltd

study.black

study.cat

study.us

study.org

study.directory

study.nl

study.dk

study.tours

study.kz

study.com.pl

study.de

study.edu.vn

study.uk.net

study.company

study.lu

study.place

study.ua

study.my

study.gov.pl

study.foundation

study.eu

study.agency

study.ie

study.com

study.mba

study.engineering

study.se

study.go.kr

study.computer

study.ru

study.loans

study.tools

study.matrix.jp

study.brussels

study.it

study.gr.jp

study.travel

study

study.mx

study.in.th

study.direct

study.zone

study.jp

study.co.jp

study.cm

study.kg

study.tw

study.run

study.co

study.biz

study.bible

study.ne.jp

study.blue

study.express

study.be

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

Similar names

dusty.host

duyts.nl

dusty.org

dusty.codes

dutys.com

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

DNS History

35 records (7 active, 28 former)

●NSns-101.awsdns-12.com2015-10-21 → 2026-08-13 · 3 obs

○ 2015-06-12 16:17:50
● 2015-10-21 02:20:50
● 2026-08-13 20:30:40

●NSns-1179.awsdns-19.org2015-10-21 → 2026-08-13 · 3 obs

○ 2015-06-12 16:17:50
● 2015-10-21 02:20:50
● 2026-08-13 20:30:40

●NSns-1956.awsdns-52.co.uk2015-10-21 → 2026-08-13 · 3 obs

○ 2015-06-12 16:17:50
● 2015-10-21 02:20:50
● 2026-08-13 20:30:40

●NSns-881.awsdns-46.net2015-10-21 → 2026-08-13 · 3 obs

○ 2015-06-12 16:17:50
● 2015-10-21 02:20:50
● 2026-08-13 20:30:40

○NSns.rackspace.com2015-06-12 → 2015-06-12 · 3 obs

● 2015-06-12 16:17:50
○ 2015-10-21 02:20:50
○ 2026-08-13 20:30:40

○NSns2.rackspace.com2015-06-12 → 2015-06-12 · 3 obs

● 2015-06-12 16:17:50
○ 2015-10-21 02:20:50
○ 2026-08-13 20:30:40

○MXmail.study.org2015-06-12 → 2015-12-24 · 4 obs

● 2015-06-12 16:17:50
● 2015-12-24 08:22:42
○ 2016-02-13 11:36:34
○ 2026-08-13 20:30:40

●MXstudy-org.mail.protection.outlook.com2016-02-13 → 2026-08-13 · 3 obs

○ 2015-12-24 08:22:42
● 2016-02-13 11:36:34
● 2026-08-13 20:30:40

○A100.48.112.52026-05-01 → 2026-05-01 · 5 obs

○ 2026-04-25 06:37:08
● 2026-05-01 12:13:10
● 2026-05-01 21:15:06
○ 2026-05-24 00:17:38
○ 2026-08-13 20:30:40

○A100.49.200.2492026-04-11 → 2026-08-13 · 2 obs

○ 2026-04-11 09:42:10
○ 2026-08-13 20:30:40

○A100.51.204.2442026-05-01 → 2026-05-01 · 5 obs

○ 2026-04-25 06:37:08
● 2026-05-01 12:13:10
● 2026-05-01 21:15:06
○ 2026-05-24 00:17:38
○ 2026-08-13 20:30:40

○A100.60.245.1782026-07-16 → 2026-07-16 · 4 obs

○ 2026-07-09 17:55:00
● 2026-07-16 13:28:50
○ 2026-07-23 01:14:08
○ 2026-08-13 20:30:40

●A100.63.17.2242026-08-12 → 2026-08-13 · 3 obs

○ 2026-08-08 21:01:22
● 2026-08-12 08:14:12
● 2026-08-13 20:30:40

○A107.20.201.2422026-04-25 → 2026-04-25 · 4 obs

○ 2026-04-18 10:18:10
● 2026-04-25 06:37:08
○ 2026-05-01 12:13:10
○ 2026-08-13 20:30:40

○A107.23.224.22016-09-23 → 2016-12-30 · 7 obs

○ 2016-08-16 04:04:06
● 2016-09-23 04:36:22
○ 2016-10-13 09:38:16
○ 2016-12-12 02:29:58
● 2016-12-30 01:04:50
○ 2026-04-11 09:42:10
○ 2026-08-13 20:30:40

○A107.23.88.722016-02-13 → 2016-12-12 · 8 obs

○ 2015-12-24 08:22:42
● 2016-02-13 11:36:34
● 2016-08-16 04:04:06
○ 2016-09-23 04:36:22
● 2016-10-13 09:38:16
● 2016-12-12 02:29:58
○ 2016-12-30 01:04:50
○ 2026-08-13 20:30:40

○A207.97.195.1092015-06-12 → 2015-12-24 · 4 obs

● 2015-06-12 16:17:50
● 2015-12-24 08:22:42
○ 2016-02-13 11:36:34
○ 2026-08-13 20:30:40

○A3.210.242.102026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-01 21:15:06
● 2026-05-24 00:17:38
○ 2026-07-04 05:09:12
○ 2026-08-13 20:30:40

○A3.212.31.912026-04-25 → 2026-04-25 · 4 obs

○ 2026-04-18 10:18:10
● 2026-04-25 06:37:08
○ 2026-05-01 12:13:10
○ 2026-08-13 20:30:40

○A3.217.120.2502026-07-23 → 2026-07-23 · 4 obs

○ 2026-07-16 13:28:50
● 2026-07-23 01:14:08
○ 2026-08-08 21:01:22
○ 2026-08-13 20:30:40

○A3.226.18.2282026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-01 21:15:06
● 2026-05-24 00:17:38
○ 2026-07-04 05:09:12
○ 2026-08-13 20:30:40

○A32.199.21.1902026-07-04 → 2026-07-04 · 4 obs

○ 2026-05-24 00:17:38
● 2026-07-04 05:09:12
○ 2026-07-09 17:55:00
○ 2026-08-13 20:30:40

○A34.231.29.1282026-07-23 → 2026-07-23 · 4 obs

○ 2026-07-16 13:28:50
● 2026-07-23 01:14:08
○ 2026-08-08 21:01:22
○ 2026-08-13 20:30:40

○A34.235.189.732026-07-16 → 2026-07-16 · 4 obs

○ 2026-07-09 17:55:00
● 2026-07-16 13:28:50
○ 2026-07-23 01:14:08
○ 2026-08-13 20:30:40

○A52.0.110.922026-04-11 → 2026-04-15 · 5 obs

○ 2016-12-30 01:04:50
● 2026-04-11 09:42:10
● 2026-04-15 06:25:28
○ 2026-04-17 20:11:00
○ 2026-08-13 20:30:40

○A52.0.4.2522016-07-05 → 2016-12-30 · 8 obs

○ 2016-02-13 11:36:34
● 2016-07-05 02:27:30
● 2016-08-16 04:04:06
○ 2016-09-23 04:36:22
○ 2016-12-12 02:29:58
● 2016-12-30 01:04:50
○ 2026-04-11 09:42:10
○ 2026-08-13 20:30:40

○A52.203.5.1182026-08-08 → 2026-08-08 · 4 obs

○ 2026-07-23 01:14:08
● 2026-08-08 21:01:22
○ 2026-08-12 08:14:12
○ 2026-08-13 20:30:40

○A52.54.53.942026-04-11 → 2026-04-18 · 5 obs

○ 2016-12-30 01:04:50
● 2026-04-11 09:42:10
● 2026-04-18 10:18:10
○ 2026-04-25 06:37:08
○ 2026-08-13 20:30:40

○A52.6.55.2292016-09-23 → 2016-12-12 · 5 obs

○ 2016-08-16 04:04:06
● 2016-09-23 04:36:22
● 2016-12-12 02:29:58
○ 2016-12-30 01:04:50
○ 2026-08-13 20:30:40

○A52.7.75.2062016-02-13 → 2016-02-13 · 4 obs

○ 2015-12-24 08:22:42
● 2016-02-13 11:36:34
○ 2016-07-05 02:27:30
○ 2026-08-13 20:30:40

○A52.73.252.1492026-07-09 → 2026-07-09 · 4 obs

○ 2026-07-04 05:09:12
● 2026-07-09 17:55:00
○ 2026-07-16 13:28:50
○ 2026-08-13 20:30:40

○A54.147.121.1812026-04-17 → 2026-04-18 · 5 obs

○ 2026-04-15 06:25:28
● 2026-04-17 20:11:00
● 2026-04-18 10:18:10
○ 2026-04-25 06:37:08
○ 2026-08-13 20:30:40

○A54.164.194.1562026-07-04 → 2026-07-04 · 4 obs

○ 2026-05-24 00:17:38
● 2026-07-04 05:09:12
○ 2026-07-16 13:28:50
○ 2026-08-13 20:30:40

○A54.225.130.1602026-04-11 → 2026-08-13 · 2 obs

○ 2026-04-11 09:42:10
○ 2026-08-13 20:30:40

●A54.82.163.1892026-08-08 → 2026-08-13 · 3 obs

○ 2026-07-23 01:14:08
● 2026-08-08 21:01:22
● 2026-08-13 20:30:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
study.org	ns-1956.awsdns-52.co.uk, ns-101.awsdns-12.com, ns-881.awsdns-46.net, ns-1179.awsdns-19.org	2 records

✅ Authoritative Response

Server:205.251.196.155

NS records: ns-1956.awsdns-52.co.uk, ns-101.awsdns-12.com, ns-881.awsdns-46.net, ns-1179.awsdns-19.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study.org (unsigned zone)

⏱️ Timing

Total: 427ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.82.163.189, 100.63.17.224`
NS	4	`ns-101.awsdns-12.com, ns-1179.awsdns-19.org...`
MX	1	`study-org.mail.protection.outlook.com (p`
TXT	3	`MS=ms35994967, duo_sso_verification=bpgtue7gxIsI03hZbED...`
SOA	1	`ns-1956.awsdns-52.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-1179.awsdns-19.org, ns-1179.awsdns-19.org)

Analysis

Hierarchy

study.org serves as the parent of mail.study.org and www.study.org.

IP Addresses

study.org resolves to the IP addresses 54.82.163.189 and 100.63.17.224

There are other host names — remilon.com among them — that share IP numbers with study.org.

Name Servers

Four name servers handle the delegation for study.org: ns-101.awsdns-12.com, ns-881.awsdns-46.net, ns-1179.awsdns-19.org and ns-1956.awsdns-52.co.uk.

study.org has at least partial name server overlap with other domains, such as prqa.eu, api.rsvcloud.com, lippertcomponents.eu and two others.

ns-101.awsdns-12.com, ns-881.awsdns-46.net, ns-1179.awsdns-19.org and ns-1956.awsdns-52.co.uk all point to exactly two IP numbers each: ns-101.awsdns-12.com → 205.251.192.101 and 2600:9000:5300:6500::1; ns-881.awsdns-46.net → 205.251.195.113 and 2600:9000:5303:7100::1; ns-1179.awsdns-19.org → 205.251.196.155 and 2600:9000:5304:9b00::1; ns-1956.awsdns-52.co.uk → 205.251.199.164 and 2600:9000:5307:a400::1.

Mail Servers

study.org uses one mail server — study-org.mail.protection.outlook.com.

study-org.mail.protection.outlook.com has 8 IP addresses: 52.101.9.20, 52.101.10.1, 52.101.41.3 plus 5 more.

study.org - robtex.com

study.org

org

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.org`

`org`