Host Profile

ab.chatgpt.com

fqdnRank #17,231
2
IPs
6
Tech
2
Certs
3
Cookies
30
Headers
2
MIME
2
Incoming
0
Outgoing
First Seen
2024-02-16 00:33:29
Last Seen
2026-09-04 12:31:38
Times Seen
8
Registered
2022-11-30 00:00:00

Same Domain

Observed hosts under chatgpt.com.

3
HostSignalsFirstLast
chatgpt.com
Rank #92IP 2Tech 9Cert 4Cookie 18Hdr 74MIME 11In 14Out 6
2022-12-072026-09-04
ab.chatgpt.com
Rank #17,231IP 2Tech 6Cert 2Cookie 3Hdr 30MIME 2In 2Out 0
2024-02-162026-09-04
ws.chatgpt.com
Rank #6,746IP 1Tech 3Cert 1Cookie 3Hdr 9MIME 1In 0Out 0
2026-08-262026-08-26

Relations

Hosts observed redirecting, loading, calling, or embedding one another.

2
SourceRelationTargetFirst SeenLast SeenSeen
openai.comRank #101
callsab.chatgpt.com2026-08-31 20:48:342026-09-04 12:31:385
help.openai.comRank #11,780
callsab.chatgpt.com2026-08-28 08:37:002026-08-31 00:12:003

IP Addresses

2
IPASNAS NameCountryLabelsFirst SeenLast SeenSeen
172.64.155.209AS13335CLOUDFLARENET-
Cloudflare
2026-08-28 08:37:002026-09-04 12:31:386
104.18.32.47AS13335CLOUDFLARENET-
Cloudflare
2026-08-31 00:12:002026-09-03 04:47:582

Technologies

6
CloudFlare.svg
Cloudflare (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.

https://www.cloudflare.com
First2026-08-28 08:37:00
Last2026-09-04 12:31:38
Seen8
Envoy.png
Envoy (Reverse proxies)

Envoy is an open-source edge and service proxy, designed for cloud-native applications.

https://www.envoyproxy.io/
First2026-08-28 08:37:00
Last2026-09-04 12:31:38
Seen8
Google Cloud.svg
Google Cloud (IaaS)

Google Cloud is a suite of cloud computing services.

https://cloud.google.com
First2026-08-28 08:37:00
Last2026-09-04 12:31:38
Seen8
google-cloud-cdn.svg
Google Cloud CDN (CDN)

Cloud CDN uses Google's global edge network to serve content closer to users.

https://cloud.google.com/cdn
First2026-08-28 08:37:00
Last2026-09-04 12:31:38
Seen8
HSTS (Security)

HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.

https://www.rfc-editor.org/rfc/rfc6797#section-6.1
First2026-08-28 08:37:00
Last2026-09-04 12:31:38
Seen8
Statsig.svg
Statsig (Analytics, Feature management)

Statsig is a modern product experimentation platform that helps product teams continuously measure impact of every single feature they launch.

https://statsig.com/
First2026-08-28 08:37:00
Last2026-09-04 12:31:38
Seen8

Certificates

2
Let's Encrypt
SHA256 ad91a26bd918766c2a03145563b5f833a9a7c999dce33e4869eae291dcfb57dc
Subject
Common Name
chatgpt.com
Organization
unknown
Issuer
Common Name
YE1
Organization
Let's Encrypt
Valid From
2026-09-01 17:02:21
Valid To
2026-11-30 17:02:20
Let's Encrypt
SHA256 a04333455ab931c26d16151f4cb13102e120234c2ea0e1414d13399f9b546a9c
Subject
Common Name
chatgpt.com
Organization
unknown
Issuer
Common Name
YE2
Organization
Let's Encrypt
Valid From
2026-08-27 17:35:14
Valid To
2026-11-25 17:35:13

Cookies

3
NamePathSameSiteFlagsFirst SeenLast Seen
__cf_bm/nonesecure, httpOnly, persistent2026-08-28 08:37:002026-09-04 12:31:38
_cfuvid/nonesecure, httpOnly2026-08-31 00:12:002026-09-04 12:31:38
GCLB/unspecifiedhttpOnly, hostOnly, persistent2026-08-28 08:37:002026-09-04 12:31:38

HTTP Headers

30
access-control-allow-credentials x8
access-control-allow-headers x5
access-control-allow-methods x5
access-control-allow-origin x8
access-control-max-age x5
cache-control x8
cf-cache-status x8
cf-ray x8
content-encoding x8
content-length x5
content-type x8
cross-origin-opener-policy x8
date x8
nel x8
permissions-policy x8
referrer-policy x8
report-to x8
server x8
set-cookie x8
statsig-final-byte-size x8
strict-transport-security x8
vary x8
via x8
x-content-type-options x8
x-envoy-decorator-operation x8
x-envoy-upstream-service-time x8
x-firefox-spdy x8
x-frame-options x8
x-response-time x8
x-statsig-region x8

MIME Types

2
application/json
Seen 8 times
text/plain
Seen 5 times