openai.study - robtex.com

openai.study

study

DNSSECπŸ”’ Signed (DS record present)
NSa.nic.study ⭐
NSb.nic.study
NSc.nic.study
NSx.nic.study
NSy.nic.study
NSz.nic.study
SOAa.nic.studyadmin@tldns.godaddy serial=1783739850

Subdomains

Same first word

Similar names

DNS History

29 records (7 active, 22 former)

NSns-1199.awsdns-21.orgns-147.awsdns-18.comns-1733.awsdns-24.co.ukns-942.awsdns-53.netA13.214.112.23418.143.53.12852.76.4.17513.215.4.13013.228.223.3613.250.75.5313.251.225.17218.136.219.17418.139.130.13418.139.155.2718.139.216.11918.139.38.2618.140.82.618.141.94.18518.142.78.19418.143.217.1403.1.119.9352.220.181.19952.221.99.11552.74.138.17954.151.230.3354.169.22.24554.179.229.23654.179.42.22754.251.239.167
●NSns-1199.awsdns-21.org2026-04-10 β†’ 2026-07-11 Β· 2 obs
● 2026-04-10 18:30:26
● 2026-07-11 03:54:00
●NSns-147.awsdns-18.com2026-04-10 β†’ 2026-07-11 Β· 2 obs
● 2026-04-10 18:30:26
● 2026-07-11 03:54:00
●NSns-1733.awsdns-24.co.uk2026-04-10 β†’ 2026-07-11 Β· 2 obs
● 2026-04-10 18:30:26
● 2026-07-11 03:54:00
●NSns-942.awsdns-53.net2026-04-10 β†’ 2026-07-11 Β· 2 obs
● 2026-04-10 18:30:26
● 2026-07-11 03:54:00
●A13.214.112.2342026-07-11 β†’ 2026-07-11 Β· 2 obs
β—‹ 2026-06-28 15:51:58
● 2026-07-11 03:54:00
β—‹A13.215.4.1302026-05-25 β†’ 2026-06-02 Β· 5 obs
β—‹ 2026-05-19 07:54:32
● 2026-05-25 14:12:30
● 2026-06-02 14:25:14
β—‹ 2026-06-04 18:23:40
β—‹ 2026-07-11 03:54:00
β—‹A13.228.223.362026-05-19 β†’ 2026-05-19 Β· 4 obs
β—‹ 2026-05-15 05:29:14
● 2026-05-19 07:54:32
β—‹ 2026-05-25 14:12:30
β—‹ 2026-07-11 03:54:00
β—‹A13.250.75.532026-06-04 β†’ 2026-06-06 Β· 5 obs
β—‹ 2026-06-02 14:25:14
● 2026-06-04 18:23:40
● 2026-06-06 22:43:16
β—‹ 2026-06-28 15:51:58
β—‹ 2026-07-11 03:54:00
β—‹A13.251.225.1722026-05-19 β†’ 2026-05-26 Β· 5 obs
β—‹ 2026-05-15 05:29:14
● 2026-05-19 07:54:32
● 2026-05-26 19:11:36
β—‹ 2026-06-02 14:25:14
β—‹ 2026-07-11 03:54:00
β—‹A18.136.219.1742026-05-11 β†’ 2026-05-15 Β· 5 obs
β—‹ 2026-05-09 05:56:02
● 2026-05-11 11:30:32
● 2026-05-15 05:29:14
β—‹ 2026-05-19 07:54:32
β—‹ 2026-07-11 03:54:00
β—‹A18.139.130.1342026-06-28 β†’ 2026-06-28 Β· 3 obs
β—‹ 2026-06-06 22:43:16
● 2026-06-28 15:51:58
β—‹ 2026-07-11 03:54:00
β—‹A18.139.155.272026-04-17 β†’ 2026-04-18 Β· 5 obs
β—‹ 2026-04-12 13:17:28
● 2026-04-17 19:10:54
● 2026-04-18 22:56:28
β—‹ 2026-05-09 00:53:44
β—‹ 2026-07-11 03:54:00
β—‹A18.139.216.1192026-05-15 β†’ 2026-05-15 Β· 4 obs
β—‹ 2026-05-11 11:30:32
● 2026-05-15 05:29:14
β—‹ 2026-05-19 07:54:32
β—‹ 2026-07-11 03:54:00
β—‹A18.139.38.262026-06-02 β†’ 2026-06-06 Β· 5 obs
β—‹ 2026-05-26 19:11:36
● 2026-06-02 14:25:14
● 2026-06-06 22:43:16
β—‹ 2026-06-28 15:51:58
β—‹ 2026-07-11 03:54:00
β—‹A18.140.82.62026-06-02 β†’ 2026-06-04 Β· 5 obs
β—‹ 2026-05-26 19:11:36
● 2026-06-02 14:25:14
● 2026-06-04 18:23:40
β—‹ 2026-06-05 15:14:46
β—‹ 2026-07-11 03:54:00
β—‹A18.141.94.1852026-05-09 β†’ 2026-05-15 Β· 5 obs
β—‹ 2026-04-18 22:56:28
● 2026-05-09 00:53:44
● 2026-05-15 05:29:14
β—‹ 2026-05-19 07:54:32
β—‹ 2026-07-11 03:54:00
β—‹A18.142.78.1942026-06-05 β†’ 2026-06-06 Β· 5 obs
β—‹ 2026-06-04 18:23:40
● 2026-06-05 15:14:46
● 2026-06-06 22:43:16
β—‹ 2026-06-28 15:51:58
β—‹ 2026-07-11 03:54:00
β—‹A18.143.217.1402026-05-09 β†’ 2026-05-09 Β· 5 obs
β—‹ 2026-04-18 22:56:28
● 2026-05-09 00:53:44
● 2026-05-09 05:56:02
β—‹ 2026-05-11 11:30:32
β—‹ 2026-07-11 03:54:00
●A18.143.53.1282026-07-11 β†’ 2026-07-11 Β· 2 obs
β—‹ 2026-06-28 15:51:58
● 2026-07-11 03:54:00
β—‹A3.1.119.932026-04-10 β†’ 2026-04-12 Β· 4 obs
● 2026-04-10 18:30:26
● 2026-04-12 13:17:28
β—‹ 2026-04-17 19:10:54
β—‹ 2026-07-11 03:54:00
β—‹A52.220.181.1992026-04-10 β†’ 2026-04-18 Β· 4 obs
● 2026-04-10 18:30:26
● 2026-04-18 22:56:28
β—‹ 2026-05-09 00:53:44
β—‹ 2026-07-11 03:54:00
β—‹A52.221.99.1152026-05-09 β†’ 2026-05-09 Β· 5 obs
β—‹ 2026-04-18 22:56:28
● 2026-05-09 00:53:44
● 2026-05-09 05:56:02
β—‹ 2026-05-11 11:30:32
β—‹ 2026-07-11 03:54:00
β—‹A52.74.138.1792026-05-19 β†’ 2026-05-26 Β· 5 obs
β—‹ 2026-05-15 05:29:14
● 2026-05-19 07:54:32
● 2026-05-26 19:11:36
β—‹ 2026-06-02 14:25:14
β—‹ 2026-07-11 03:54:00
●A52.76.4.1752026-07-11 β†’ 2026-07-11 Β· 2 obs
β—‹ 2026-06-28 15:51:58
● 2026-07-11 03:54:00
β—‹A54.151.230.332026-04-10 β†’ 2026-04-12 Β· 4 obs
● 2026-04-10 18:30:26
● 2026-04-12 13:17:28
β—‹ 2026-04-17 19:10:54
β—‹ 2026-07-11 03:54:00
β—‹A54.169.22.2452026-05-11 β†’ 2026-05-11 Β· 4 obs
β—‹ 2026-05-09 05:56:02
● 2026-05-11 11:30:32
β—‹ 2026-05-15 05:29:14
β—‹ 2026-07-11 03:54:00
β—‹A54.179.229.2362026-06-28 β†’ 2026-06-28 Β· 3 obs
β—‹ 2026-06-06 22:43:16
● 2026-06-28 15:51:58
β—‹ 2026-07-11 03:54:00
β—‹A54.179.42.2272026-06-28 β†’ 2026-06-28 Β· 3 obs
β—‹ 2026-06-06 22:43:16
● 2026-06-28 15:51:58
β—‹ 2026-07-11 03:54:00
β—‹A54.251.239.1672026-04-17 β†’ 2026-04-18 Β· 5 obs
β—‹ 2026-04-12 13:17:28
● 2026-04-17 19:10:54
● 2026-04-18 22:56:28
β—‹ 2026-05-09 00:53:44
β—‹ 2026-07-11 03:54:00

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
studyz.nic.study, y.nic.study, a.nic.study, c.nic.study...12 records
openai.studyns-147.awsdns-18.com, ns-942.awsdns-53.net, ns-1199.awsdns-21.org, ns-1733.awsdns-24.co.uk-

βœ… Authoritative Response

Server:205.251.198.197

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

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openai.study (unsigned zone)

⏱️ Timing

Total: 466ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A352.76.4.175, 18.143.53.128...
NS4ns-1199.awsdns-21.org, ns-147.awsdns-18.com...
SOA1ns-1199.awsdns-21.org awsdns-hostmaster.

πŸ“Œ Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.openai.study is delegated beneath openai.study.

IP Addresses

openai.study directs to three IP numbers: 13.214.112.234, 18.143.53.128 and 52.76.4.175.

Name Servers

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

There is at least partial name server overlap between openai.study and other domains β€” red-ice.me, ryoma.ac.jp, 227.20.51.in-addr.arpa and two more among them.

These name servers tend to appear in combination 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.

All four hostnames β€” ns-147.awsdns-18.com, ns-942.awsdns-53.net, ns-1199.awsdns-21.org and ns-1733.awsdns-24.co.uk β€” resolve to two IP numbers apiece: ns-147.awsdns-18.com to 205.251.192.147 and 2600:9000:5300:9300::1; ns-942.awsdns-53.net to 205.251.195.174 and 2600:9000:5303:ae00::1; ns-1199.awsdns-21.org to 205.251.196.175 and 2600:9000:5304:af00::1; ns-1733.awsdns-24.co.uk to 205.251.198.197 and 2600:9000:5306:c500::1.