Host Profile
sentinel.openai.com
fqdnRank #193,131
2
IPs
3
Tech
2
Certs
4
Cookies
25
Headers
4
MIME
4
Incoming
0
Outgoing
First Seen
2025-07-17 16:01:48
Last Seen
2026-09-18 05:10:03
Times Seen
3
Registered
2007-01-19 00:00:00
Same Domain
Observed hosts under openai.com
| Host | Signals | First | Last |
|---|---|---|---|
| bzrcdn.openai.com | Rank #10,794IP 2Tech 5Cert 1Cookie 2Hdr 27MIME 3In 1434Out 0 | 2026-04-19 | 2026-09-23 |
| bzr.openai.com | Rank #11,286IP 2Tech 3Cert 3Cookie 2Hdr 20MIME 3In 677Out 0 | 2026-04-19 | 2026-09-23 |
| openai.com | Rank #100IP 2Tech 10Cert 3Cookie 7Hdr 49MIME 9In 5Out 7 | 2016-01-07 | 2026-09-23 |
| cdn.openai.com | Rank #21,929IP 2Tech 2Cert 1Cookie 0Hdr 21MIME 3In 7Out 0 | 2020-02-04 | 2026-09-23 |
| url3243.email.openai.com | Rank #676,938IP 2Tech 2Cert 0Cookie 0Hdr 12MIME 2In 0Out 2 | 2022-07-20 | 2026-09-22 |
| s.openai.com | Domain Rank #100IP 1Tech 3Cert 1Cookie 2Hdr 14MIME 1In 0Out 1 | 2026-09-21 | 2026-09-21 |
| cdn.platform.openai.com | Rank #183,897IP 2Tech 3Cert 2Cookie 3Hdr 34MIME 4In 9Out 4 | 2025-07-14 | 2026-09-20 |
| images.openai.com | Rank #51,673IP 2Tech 3Cert 3Cookie 1Hdr 30MIME 2In 5Out 0 | 2023-05-10 | 2026-09-19 |
| api.openai.com | Rank #54,817IP 1Tech 3Cert 1Cookie 2Hdr 18MIME 1In 1Out 0 | 2020-01-26 | 2026-09-18 |
| sentinel.openai.com | Rank #193,131IP 2Tech 3Cert 2Cookie 4Hdr 25MIME 4In 4Out 0 | 2025-07-17 | 2026-09-18 |
| help.openai.com | Rank #11,777IP 2Tech 3Cert 2Cookie 8Hdr 40MIME 5In 2Out 8 | 2021-03-05 | 2026-09-17 |
| r.openai.com | Rank #105,892IP 2Tech 3Cert 2Cookie 2Hdr 14MIME 1In 0Out 2 | 2026-06-28 | 2026-09-16 |
| auth.openai.com | Rank #28,363IP 2Tech 6Cert 1Cookie 15Hdr 29MIME 4In 1Out 6 | 2023-04-07 | 2026-09-14 |
| community.openai.com | Rank #263,956IP 1Tech 5Cert 1Cookie 0Hdr 28MIME 3In 0Out 8 | 2021-02-27 | 2026-09-09 |
| releases.openai.com | Domain Rank #100IP 1Tech 3Cert 1Cookie 2Hdr 16MIME 2In 1Out 0 | 2026-09-07 | 2026-09-07 |
| links.openai.com | Domain Rank #100IP 1Tech 2Cert 1Cookie 0Hdr 9MIME 3In 0Out 1 | 2026-09-07 | 2026-09-07 |
| webinar.openai.com | Domain Rank #100IP 1Tech 6Cert 1Cookie 2Hdr 31MIME 4In 0Out 13 | 2026-08-19 | 2026-09-02 |
Relations
redirects to: source redirected the browser to target.
loads from: source loaded scripts, images, stylesheets, fonts, media, or similar resources from target.
calls: source made active requests to target, such as fetch, XHR, beacon, websocket, or eventsource.
embeds: source embedded target in a frame, iframe, object, or embed.
Hosts observed redirecting, loading, calling, or embedding one another.
| Source | Relation | Target | First Seen | Last Seen | Seen |
|---|---|---|---|---|---|
cdn.platform.openai.comRank #183,897 | loads from | sentinel.openai.com | 2026-09-18 05:10:03 | 2026-09-18 05:10:03 | 1 |
cdn.platform.openai.comRank #183,897 | embeds | sentinel.openai.com | 2026-09-18 05:10:03 | 2026-09-18 05:10:03 | 1 |
auth.openai.comRank #28,363 | loads from | sentinel.openai.com | 2026-09-05 16:11:01 | 2026-09-14 16:45:09 | 2 |
auth.openai.comRank #28,363 | embeds | sentinel.openai.com | 2026-09-05 16:11:01 | 2026-09-14 16:45:09 | 2 |
IP Addresses
2| IP | ASN | AS Name | Country | Labels | First Seen | Last Seen | Seen |
|---|---|---|---|---|---|---|---|
| 104.18.39.38 | AS13335 | CLOUDFLARENET | - | Cloudflare | 2026-09-14 16:45:09 | 2026-09-18 05:10:03 | 2 |
| 172.64.148.218 | AS13335 | CLOUDFLARENET | - | Cloudflare | 2026-09-05 16:11:01 | 2026-09-05 16:11:01 | 1 |
New observations last 7 days
Distinct facts and relations first observed in the rolling last seven-days window.
Loading new observations...
Technologies
3
CDN
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
First seen2026-09-05 16:11:01
Last seen2026-09-18 05:10:03
Observations3
Security
Cloudflare bot management solution identifies and mitigates automated traffic to protect websites from bad bots.
First seen2026-09-05 16:11:01
Last seen2026-09-18 05:10:03
Observations3
Security
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
First seen2026-09-05 16:11:01
Last seen2026-09-18 05:10:03
Observations3
Certificates
2Subject
Common Name
Organization
unknown
Issuer
Common Name
Organization
Valid From
2026-09-16 04:59:57
Valid To
2026-12-15 05:59:47
Subject
Common Name
Organization
unknown
Issuer
Common Name
Organization
Valid From
2026-07-19 04:20:25
Valid To
2026-10-17 05:19:55
Cookies
4| Name | Path | SameSite | Flags | First Seen | Last Seen |
|---|---|---|---|---|---|
| __cf_bm | / | none | secure, httpOnly, persistent | 2026-09-05 16:11:01 | 2026-09-18 05:10:03 |
| __cflb | / | none | secure, httpOnly, hostOnly, persistent | 2026-09-05 16:11:01 | 2026-09-18 05:10:03 |
| _cfuvid | / | none | secure, httpOnly | 2026-09-18 05:10:03 | 2026-09-18 05:10:03 |
| oai-sc | / | none | secure, persistent | 2026-09-05 16:11:01 | 2026-09-18 05:10:03 |
HTTP Headers
25alt-svc x3
cf-ray x3
content-type x3
date x3
etag x3
nel x3
priority x3
report-to x3
server x3
set-cookie x3
x-request-id x3
MIME Types
4Seen 3 times
Seen 3 times
Seen 3 times
Seen 3 times