openai.study - dns.ninja

`openai.study`

DNSSEC	⚠️ Not signed
A	3.0.252.117^{🇸🇬 Amazon3.0.0.0/15 EC2 SIN prefix}
A	18.138.59.249^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
A	52.76.33.204^{🇸🇬 Amazon52.76.0.0/17 SIN prefix}
NS	`ns-1199.awsdns-21.org` ⭐
		A	2600:9000:5304:af00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1199.awsdns-21.org`
		A	205.251.196.175^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1199.awsdns-21.org`
NS	`ns-147.awsdns-18.com`
		A	2600:9000:5300:9300::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-147.awsdns-18.com`
		A	205.251.192.147^{🇺🇸 Amazon205.251.192.0/24 prefix}
NS	`ns-1733.awsdns-24.co.uk`
		A	2600:9000:5306:c500::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1733.awsdns-24.co.uk`
		A	205.251.198.197^{🇺🇸 Amazon205.251.198.0/24 prefix}
NS	`ns-942.awsdns-53.net`
		A	2600:9000:5303:ae00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-942.awsdns-53.net`
		A	205.251.195.174^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-942.awsdns-53.net`
SOA	`ns-1199.awsdns-21.org`awsdns-hostmaster@amazon.com serial=1

`study`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.study` ⭐
	NS	`b.nic.study`
	NS	`c.nic.study`
	NS	`x.nic.study`
	NS	`y.nic.study`
	NS	`z.nic.study`
	SOA	`a.nic.study`admin@tldns.godaddy serial=1784586202

Subdomains

www.openai.study

Same first word

openai.cfd

openai.info

openai.pp.ua

openai.hk

openai.name

openai.legal

openai.ws

openai.art

openai.kz

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openai.sh.cn

openai.med

openai.us

openai.com.py

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openai.com.gr

openai.dk

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openai.asia

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openai.homes

openai.ru

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openai.ac

openai.co.za

openai.fast

openai.house

openai.me

openai.fund

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openai.se

openai.lv

openai.ceo

openai.blog

openai.by

openai.garden

openai.com.pl

openai.com.au

openai.io

openai.uz

openai.nz

openai.chat

openai.wiki

openai.la

openai.kg

openai.ai.in

openai.al

openai.mobi

openai.so

openai.fun

openai.net

openai.lu

openai.co.com

openai.org.pl

openai.pt

openai.city

openai.ml

openai.wedding

openai.top

openai.earth

openai.realestate

openai.bj

openai.fr

openai.nyc.mn

openai.osaka

openai.win

openai.vn

openai.cl

openai.ca

openai.pics

openai.org

openai.taipei

openai.im

openai.ng

openai.net.ph

openai.tw

openai.ir

openai.com.in

openai.td

openai.mil.ph

openai.web.id

Similar names

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paione.com.cn

neoipa.com

opinea.it

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apineo.app

poenai.nl

apenio.net

DNS History

32 records (7 active, 25 former)

●NSns-1199.awsdns-21.org2026-04-10 → 2026-07-20 · 2 obs

● 2026-04-10 18:30:26
● 2026-07-20 22:44:00

●NSns-147.awsdns-18.com2026-04-10 → 2026-07-20 · 2 obs

● 2026-04-10 18:30:26
● 2026-07-20 22:44:00

●NSns-1733.awsdns-24.co.uk2026-04-10 → 2026-07-20 · 2 obs

● 2026-04-10 18:30:26
● 2026-07-20 22:44:00

●NSns-942.awsdns-53.net2026-04-10 → 2026-07-20 · 2 obs

● 2026-04-10 18:30:26
● 2026-07-20 22:44:00

○A13.214.112.2342026-07-11 → 2026-07-11 · 4 obs

○ 2026-06-28 15:51:58
● 2026-07-11 03:54:00
○ 2026-07-20 22:43:56
○ 2026-07-20 22:44:00

○A13.215.4.1302026-05-25 → 2026-06-02 · 5 obs

○ 2026-05-19 07:54:32
● 2026-05-25 14:12:30
● 2026-06-02 14:25:14
○ 2026-06-04 18:23:40
○ 2026-07-20 22:44:00

○A13.228.223.362026-05-19 → 2026-05-19 · 4 obs

○ 2026-05-15 05:29:14
● 2026-05-19 07:54:32
○ 2026-05-25 14:12:30
○ 2026-07-20 22:44:00

○A13.250.75.532026-06-04 → 2026-06-06 · 5 obs

○ 2026-06-02 14:25:14
● 2026-06-04 18:23:40
● 2026-06-06 22:43:16
○ 2026-06-28 15:51:58
○ 2026-07-20 22:44:00

○A13.251.225.1722026-05-19 → 2026-05-26 · 5 obs

○ 2026-05-15 05:29:14
● 2026-05-19 07:54:32
● 2026-05-26 19:11:36
○ 2026-06-02 14:25:14
○ 2026-07-20 22:44:00

○A18.136.219.1742026-05-11 → 2026-05-15 · 5 obs

○ 2026-05-09 05:56:02
● 2026-05-11 11:30:32
● 2026-05-15 05:29:14
○ 2026-05-19 07:54:32
○ 2026-07-20 22:44:00

●A18.138.59.2492026-07-20 → 2026-07-20 · 3 obs

○ 2026-07-11 03:54:00
● 2026-07-20 22:43:56
● 2026-07-20 22:44:00

○A18.139.130.1342026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-06 22:43:16
● 2026-06-28 15:51:58
○ 2026-07-11 03:54:00
○ 2026-07-20 22:44:00

○A18.139.155.272026-04-17 → 2026-04-18 · 5 obs

○ 2026-04-12 13:17:28
● 2026-04-17 19:10:54
● 2026-04-18 22:56:28
○ 2026-05-09 00:53:44
○ 2026-07-20 22:44:00

○A18.139.216.1192026-05-15 → 2026-05-15 · 4 obs

○ 2026-05-11 11:30:32
● 2026-05-15 05:29:14
○ 2026-05-19 07:54:32
○ 2026-07-20 22:44:00

○A18.139.38.262026-06-02 → 2026-06-06 · 5 obs

○ 2026-05-26 19:11:36
● 2026-06-02 14:25:14
● 2026-06-06 22:43:16
○ 2026-06-28 15:51:58
○ 2026-07-20 22:44:00

○A18.140.82.62026-06-02 → 2026-06-04 · 5 obs

○ 2026-05-26 19:11:36
● 2026-06-02 14:25:14
● 2026-06-04 18:23:40
○ 2026-06-05 15:14:46
○ 2026-07-20 22:44:00

○A18.141.94.1852026-05-09 → 2026-05-15 · 5 obs

○ 2026-04-18 22:56:28
● 2026-05-09 00:53:44
● 2026-05-15 05:29:14
○ 2026-05-19 07:54:32
○ 2026-07-20 22:44:00

○A18.142.78.1942026-06-05 → 2026-06-06 · 5 obs

○ 2026-06-04 18:23:40
● 2026-06-05 15:14:46
● 2026-06-06 22:43:16
○ 2026-06-28 15:51:58
○ 2026-07-20 22:44:00

○A18.143.217.1402026-05-09 → 2026-05-09 · 5 obs

○ 2026-04-18 22:56:28
● 2026-05-09 00:53:44
● 2026-05-09 05:56:02
○ 2026-05-11 11:30:32
○ 2026-07-20 22:44:00

○A18.143.53.1282026-07-11 → 2026-07-11 · 4 obs

○ 2026-06-28 15:51:58
● 2026-07-11 03:54:00
○ 2026-07-20 22:43:56
○ 2026-07-20 22:44:00

●A3.0.252.1172026-07-20 → 2026-07-20 · 3 obs

○ 2026-07-11 03:54:00
● 2026-07-20 22:43:56
● 2026-07-20 22:44:00

○A3.1.119.932026-04-10 → 2026-04-12 · 4 obs

● 2026-04-10 18:30:26
● 2026-04-12 13:17:28
○ 2026-04-17 19:10:54
○ 2026-07-20 22:44:00

○A52.220.181.1992026-04-10 → 2026-04-18 · 4 obs

● 2026-04-10 18:30:26
● 2026-04-18 22:56:28
○ 2026-05-09 00:53:44
○ 2026-07-20 22:44:00

○A52.221.99.1152026-05-09 → 2026-05-09 · 5 obs

○ 2026-04-18 22:56:28
● 2026-05-09 00:53:44
● 2026-05-09 05:56:02
○ 2026-05-11 11:30:32
○ 2026-07-20 22:44:00

○A52.74.138.1792026-05-19 → 2026-05-26 · 5 obs

○ 2026-05-15 05:29:14
● 2026-05-19 07:54:32
● 2026-05-26 19:11:36
○ 2026-06-02 14:25:14
○ 2026-07-20 22:44:00

●A52.76.33.2042026-07-20 → 2026-07-20 · 3 obs

○ 2026-07-11 03:54:00
● 2026-07-20 22:43:56
● 2026-07-20 22:44:00

○A52.76.4.1752026-07-11 → 2026-07-11 · 4 obs

○ 2026-06-28 15:51:58
● 2026-07-11 03:54:00
○ 2026-07-20 22:43:56
○ 2026-07-20 22:44:00

○A54.151.230.332026-04-10 → 2026-04-12 · 4 obs

● 2026-04-10 18:30:26
● 2026-04-12 13:17:28
○ 2026-04-17 19:10:54
○ 2026-07-20 22:44:00

○A54.169.22.2452026-05-11 → 2026-05-11 · 4 obs

○ 2026-05-09 05:56:02
● 2026-05-11 11:30:32
○ 2026-05-15 05:29:14
○ 2026-07-20 22:44:00

○A54.179.229.2362026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-06 22:43:16
● 2026-06-28 15:51:58
○ 2026-07-11 03:54:00
○ 2026-07-20 22:44:00

○A54.179.42.2272026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-06 22:43:16
● 2026-06-28 15:51:58
○ 2026-07-11 03:54:00
○ 2026-07-20 22:44:00

○A54.251.239.1672026-04-17 → 2026-04-18 · 5 obs

○ 2026-04-12 13:17:28
● 2026-04-17 19:10:54
● 2026-04-18 22:56:28
○ 2026-05-09 00:53:44
○ 2026-07-20 22:44:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
study	z.nic.study, x.nic.study, b.nic.study, y.nic.study...	12 records
openai.study	ns-147.awsdns-18.com, ns-942.awsdns-53.net, ns-1199.awsdns-21.org, ns-1733.awsdns-24.co.uk	-

✅ Authoritative Response

Server:205.251.195.174

NS records: ns-147.awsdns-18.com, ns-942.awsdns-53.net, ns-1199.awsdns-21.org, ns-1733.awsdns-24.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openai.study (unsigned zone)

⏱️ Timing

Total: 587ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`52.76.33.204, 3.0.252.117...`
NS	4	`ns-1199.awsdns-21.org, ns-147.awsdns-18.com...`
SOA	1	`ns-1199.awsdns-21.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (z.nic.study, z.nic.study, x.nic.study...)

Analysis

Hierarchy

openai.study serves as the parent of www.openai.study.

IP Addresses

openai.study maps to three IP numbers — 3.0.252.117, 18.138.59.249 and 52.76.33.204.

Name Servers

The authoritative name servers for openai.study are ns-147.awsdns-18.com, ns-942.awsdns-53.net, ns-1199.awsdns-21.org and ns-1733.awsdns-24.co.uk.

openai.study has at least partial name server overlap with other domains, such as red-ice.me, ryoma.ac.jp, 227.20.51.in-addr.arpa and two others.

It is common to find these name servers paired with the name servers ns1-24-eu-north-1.ec2-rdns.amazonaws.com, ns2-24-eu-north-1.ec2-rdns.amazonaws.com, ns3-24-eu-north-1.ec2-rdns.amazonaws.com and ns4-24-eu-north-1.ec2-rdns.amazonaws.com.

ns-147.awsdns-18.com, ns-942.awsdns-53.net, ns-1199.awsdns-21.org and ns-1733.awsdns-24.co.uk all point to exactly two IP numbers each: ns-147.awsdns-18.com → 205.251.192.147 and 2600:9000:5300:9300::1; ns-942.awsdns-53.net → 205.251.195.174 and 2600:9000:5303:ae00::1; ns-1199.awsdns-21.org → 205.251.196.175 and 2600:9000:5304:af00::1; ns-1733.awsdns-24.co.uk → 205.251.198.197 and 2600:9000:5306:c500::1.