How privacy works

Private lookups are not added to public searches, stored reports or change history. This does not remove a report that was already public. Your choice lasts for this browser session.

Who hosts openai.com?

Answer

openai.com is hosted on Vercel, delivered through Cloudflare.

High confidence

Checked 1 hour ago from Cloudflare ZRH in 233 ms. This is a saved result.

Your next steps

What needs attention

Prioritized observations from this check. Review changes with whoever manages the website.

  1. Improve

    Review browser security headers

    Content-Security-Policy, Referrer-Policy, Permissions-Policy did not meet the conservative header checks. This is not a complete security audit.

    Next step: Review these headers with the site developer and test policy changes before enforcing them.

Evidence by layer

The company operating a network and the company selling the hosting can be different.

Hosting company
VercelStrong evidence
CDN / proxy
CloudflareStrong evidence

Network operators

Cloudflare

Network ownership alone does not confirm the retail hosting provider.

How we know

  • 172.64.154.211 belongs to AS13335 (Cloudflare)
  • 104.18.33.45 belongs to AS13335 (Cloudflare)
  • HTTP header cf-ray: a50b53339de3dc8b-ZRH
  • HTTP header server: cloudflare
  • HTTP header x-vercel-id: fra1::pdx1::bsm6d-1793037253705-a75f69e9bd71
  • HTTP header x-vercel-cache: HIT

Servers

The addresses the name points to and the networks that own them.

  • 172.64.154.211CloudflareNetwork AS13335🇺🇸 Registered in United States, block 172.64.154.0/24
  • 104.18.33.45CloudflareNetwork AS13335🇺🇸 Registered in United States, block 104.18.33.0/24

No IPv6 address.

Website

What the site answered when we visited its home page.

Status
200 OK
Address
https://openai.com/
Page title
OpenAI | Research & Deployment
HTTPS
Yes
HTTP/3
Not advertised
Response time
231 ms from Cloudflare ZRH
Server
cloudflare
Powered by
Next.js

Security headers

C
  • Strict-Transport-Security
  • Content-Security-Policy (too weak)
  • Clickjacking protection
  • X-Content-Type-Options
  • Referrer-Policy
  • Permissions-Policy

Built with

FrameworkNext.js
AnalyticsCloudflare Web Analytics

DNS

Who answers for the domain name, and its records.

DNS provider
Azure DNS
Name servers
ns1-02.azure-dns.com
ns2-02.azure-dns.net
ns3-02.azure-dns.org
ns4-02.azure-dns.info
Zone
openai.com
DNSSEC
Not signed
Certificates
issuewild letsencrypt.org
issue amazon.com
issue digicert.com; cansignhttpexchanges=yes
issue godaddy.com
issue letsencrypt.org
issue pki.goog; cansignhttpexchanges=yes
issue sectigo.com
issuewild sectigo.com
issuewild pki.goog; cansignhttpexchanges=yes
issuewild digicert.com; cansignhttpexchanges=yes
issuewild amazon.com
All DNS records (69)
TypeNameValueTTL
Aopenai.com172.64.154.21158
Aopenai.com104.18.33.4558
NSopenai.comns1-02.azure-dns.com199
NSopenai.comns2-02.azure-dns.net199
NSopenai.comns3-02.azure-dns.org199
NSopenai.comns4-02.azure-dns.info199
MXopenai.com1 aspmx.l.google.com82233
MXopenai.com5 alt1.aspmx.l.google.com82233
MXopenai.com10 alt3.aspmx.l.google.com82233
MXopenai.com5 alt2.aspmx.l.google.com82233
MXopenai.com10 alt4.aspmx.l.google.com82233
TXTopenai.commgverify=22d53df776e7e9198e72a000c4056f5ba1624b8f2a50e3d0f4925fcea15bb5d486400
TXTopenai.comautodesk-domain-verification=HucZBMSc_T52XRJSn15D86400
TXTopenai.comatlassian-domain-verification=xdHUKPdNqeX/XU/VMyGIRWfzqvhwWmcHR1DhX2J3JllvjIY3A0Aw9Ctst0DXGIgt86400
TXTopenai.comparsec-domain-verification=td_30Hu4AtBG9pDT9HTJCFK42bxN3q86400
TXTopenai.comwhimsical=a3593eda7e8523a75b01fd953cac04549faefe0c86400
TXTopenai.comhiAwXiKX20HcM9FtFK90WRyUFLSV1w86400
TXTopenai.comnotion-domain-verification=GZFdn3LQ77QuL3XKYZT6BmKDkFfmbiAorjzDIdvLRd686400
TXTopenai.comonetrust-domain-verification=7acf44f596f84700bc82bfaaeb9b388c86400
TXTopenai.comuber-domain-verification=77dfb7a6-1534-4c1b-a4e2-ba173fa8e9a386400
TXTopenai.comhubspot-developer-verification=NDFmMGNmMTYtZWYxNS00YTNlLWFkM2ItMjEwYzhmYTk0NTNi86400
TXTopenai.comms-domain-verification=a14381d7-1e61-4cbf-97fa-4ac14336f0cf86400
TXTopenai.comairtable-verification=dea7eaaa4d90e623ec30a9b2fa12ca5f86400
TXTopenai.comonetrust-domain-verification=6bfaeb2a9cdf438bad3b7b30e745f3ed86400
TXTopenai.comautodesk-domain-verification=C3oU6DmT-SfRlU0htRMR86400
TXTopenai.commiro-verification=0ee819554f4ff63f853affdf30d1cf76a15c684686400
TXTopenai.comlinear-domain-verification=83vxugur897f86400
TXTopenai.comdropbox-domain-verification=mra9n6toqbqj86400
TXTopenai.combox-domain-verification=e2ecedffb7ea6f02e5f7a4afdbb83e2892f81db3acd85ff600633ad76096d45986400
TXTopenai.comgoogle-site-verification=BDCE3pqO3BG5T5jWaEmQl10f5gqe3GAXgjyV0pmA5Jo86400
TXTopenai.comapple-domain-verification=EgaXvYuVUgRwJTk386400
TXTopenai.comZOOM_verify_Ji3VecODDwjBgU1GccqGAC86400
TXTopenai.comsmartsheet-site-validation=b4J2lcr0i94a3_8qW2jIQxWjyqlGUmF186400
TXTopenai.comv=spf1 include:_spf.google.com include:spf.protection.outlook.com include:8050860.spf04.hubspotemail.net include:mktomail.com include:spf_c.oraclecloud.com -all86400
TXTopenai.comcalendly-site-verification=fBZScJDPHrHKIWIb9dKdryZqPPcCkxGISR8z5xSdX86400
TXTopenai.comgoogle-site-verification=dU3pms6hgznfQnTCxkcq6P4jGjd8LMra0v429l4oElA86400
TXTopenai.comairalo-domain-verification=xFzIMCLQ9JTlUFK86400
TXTopenai.comhibp-verify=dweb_bngtm5m5asvzv8o0xxyy9pxb86400
TXTopenai.comstripe-verification=b1d42b65d1782470604a6dbb360e9dfe8bd7426974e5110605e86b22d945288d86400
TXTopenai.comdocker-verification=e315e0c2-f866-4bec-ac0c-844fa287bbec86400
TXTopenai.comatlassian-domain-verification=Q2BUDjXbr3zZaNROQ1MyCjvItM31fbzhL/GR5YEn96BAAyQzrQfkxaxxWC2qj/s586400
TXTopenai.comfigma-domain-verification=274542735efe890a700405d9916de07a971b531a0d1595c237b09d68770febf4-176281000386400
TXTopenai.commongodb-site-verification=9cei4YAQ08Y8uafD0DLW2sgyYqTNDtco86400
TXTopenai.comtukj3psjdk86400
TXTopenai.comtwilio-domain-verification=c7745eae53aa58c5874d7a8508c510bc86400
TXTopenai.compylon-domain-verification-na3cfk=bYVknYT5uGxjut616RQY8fCHj86400
TXTopenai.comdtm-domain-verification=yaoiU11N90j1RKR3IObEMhQO8WHP8K4zTGmCYlUIr6k86400
TXTopenai.comMS=ms5023147386400
TXTopenai.comcanva-site-verification=3pgWM7c4EwmBo5rsy9b2Mg86400
TXTopenai.comopenai-domain-verification=dv-un30neQJyISDPkxgKgArFtEc86400
TXTopenai.comgoogle-site-verification=3uGPpoo5B2gXoFNwT4pfAJwH-1gjVj-fLqVSE6rCXGk86400
TXTopenai.compostman-domain-verification=dc3e890ca92455e54d07dcec9ea8404fc401b0a5a900dfb759062cd1dc68b28f7bc7db58254e4936ff8a9303f38cb9719e1af16757b09e0067c635510c90cde886400
TXTopenai.comcentral-1008586400
TXTopenai.comwrike-verification=NjMwNjgwMjo0NmU2YjQ1NjgzNGJkN2M3MmYwNWUyMTNhOWUwOGY0OTQxYjBlNWJmZTEwYjYzOWU5MDNlMDlkYzAxNGZlZDRh86400
TXTopenai.comuber-domain-verification=faf07776-4ec9-4fd0-9ac5-2a6f8c51431886400
TXTopenai.comTAILSCALE-FAWYbK3UOL8Tf83rkJoc86400
TXTopenai.comgoogle-site-verification=9sG4lDm5hmXEmnwpVGkId_ftzq-b84TYi0rwy9J-f9s86400
TXTopenai.comjamf-site-verification=2ysWIpJrXkO40kW1SNc8Qg86400
CAAopenai.com0 issuewild "letsencrypt.org"300
CAAopenai.com0 issue "amazon.com"300
CAAopenai.com0 issue "digicert.com; cansignhttpexchanges=yes"300
CAAopenai.com0 issue "godaddy.com"300
CAAopenai.com0 issue "letsencrypt.org"300
CAAopenai.com0 issue "pki.goog; cansignhttpexchanges=yes"300
CAAopenai.com0 issue "sectigo.com"300
CAAopenai.com0 issuewild "sectigo.com"300
CAAopenai.com0 issuewild "pki.goog; cansignhttpexchanges=yes"300
CAAopenai.com0 issuewild "digicert.com; cansignhttpexchanges=yes"300
CAAopenai.com0 issuewild "amazon.com"300

Email

Well protected against spoofing: SPF plus an enforced DMARC policy.

Mailbox provider
Google Workspace
Mail servers
1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
Allowed senders
Google WorkspaceMicrosoft 365HubSpot
SPF
Mail from any other server is rejected.
DMARC
Spoofed mail is rejected.
MTA-STS
Not enabled
SPF and DMARC records

v=spf1 include:_spf.google.com include:spf.protection.outlook.com include:8050860.spf04.hubspotemail.net include:mktomail.com include:spf_c.oraclecloud.com -all

v=DMARC1; p=reject; rua=mailto:tdfyvl0n@ag.dmarcian.com; ruf=mailto:tdfyvl0n@fr.dmarcian.com; fo=1; aspf=r

Domain registration

Registrar
MarkMonitor Inc.
Registered
19 Jan 2007 (19 years ago)
Paid until
19 Jan 2029 (in 816 days)
Last changed
17 Oct 2024
Status
Deletion lock (registrar)Transfer lock (registrar)Update lock (registrar)Deletion lock (registry)Transfer lock (registry)Update lock (registry)
DNSSEC at registry
No
Source
rdap.verisign.com

Connected services

Verification records in DNS show the domain is linked to these accounts.

AtlassianDropboxGoogle Search ConsoleAppleZoomStripeMicrosoft 365OpenAI

Observed changes

A compact record of what changed between public checks. Rechecks happen only when someone requests them.

History starts with saved public observations. No earlier changes are inferred.

Last 10 searches

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deepinfra.comVercel
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