Hosting check
Who hosts chatgpt.com?
chatgpt.com is behind Cloudflare, which hides the origin host. DNS by Cloudflare. Email by Cloudflare Email Routing.
Checked 14 Oct 2026 at 10:05 UTC
Server
Anycast: nearest of many locations
172.64.155.209
Cloudflare, Inc. · AS13335
🇺🇸San Francisco, United States
Checks
5 of 6 checks pass
Warnings are worth a look, but nothing is broken.
Hosting provider
Low confidence
Cloudflare
CDNOrigin host hidden. A CDN answers for this site and hides the origin server, so the real host is not visible from outside.
- CDN
Cloudflarecloudflare.com
Answers every request and forwards it to an origin server it does not reveal. The IP address below belongs to the CDN.
- Network
Owns the IP address that answered our lookup.
How we know
3 signals- NetworkAS13335Cloudflare
- Headercf-ray: a4a5c46feb4a8d9f-HELCloudflare
- Headerserver: cloudflareCloudflare
IP & network
172.64.155.209 · San Francisco
- IP address
- 172.64.155.209
- Network
- Cloudflare, Inc.AS13335 · hosting
- Route
- 172.64.155.0/24
- Location
- San Francisco, California, United StatesAnycast: where our lookup landed
- Timezone
- America/Los_Angeles
This is an anycast address: many locations announce it, and each visitor reaches the nearest one. The location above is only where our lookup landed.
Coordinates, postal code and company
Geolocation describes the network's registered location, not a street address. For a data center IP the postal code and coordinates are approximate.
- Coordinates
- 37.7621,-122.3971
- Postal code
- 94107
- Country code
- US
DNS records
18 records in 6 types
- A
2 records
IPv4 addresses the name points to
- 172.64.155.209
- 104.18.32.47
- AAAA
2 records
IPv6 addresses the name points to
- 2606:4700:4408::ac40:9bd1
- 2a06:98c1:3101::6812:202f
- NS
2 records
Nameservers that answer for the zone
- hassan.ns.cloudflare.com
- savanna.ns.cloudflare.com
- MX
3 records
Mail servers, lowest priority first
- 23 route1.mx.cloudflare.net
- 38 route2.mx.cloudflare.net
- 82 route3.mx.cloudflare.net
- SOA
1 record
Zone authority: primary nameserver, admin mailbox and timers
- hassan.ns.cloudflare.com dns.cloudflare.com 2417187218 10000 2400 604800 1800
- TXT
8 records
1 SPF policy, 6 ownership proofs, 1 other
- cerner-client-id=ff69e1b6-5936-420e-92dd-f14f67869424
- google-site-verification=3p_zWfTXlQ4Mbxvq51ylW59LjgneYCB_vXpS-DLIEwM
- google-site-verification=HJikIAHI_Z6zkRXg-TWAceem39v2AhOSwPwUWaTNt9E
- google-site-verification=qz8yKZH1f2h4Dl7S-nRAo0immoInmiosRhyjUxXuUOs
SSL certificate
- Status
- Valid certificateTrusted by browsers and covers chatgpt.com. Expires in 66 days.
- Issuer
- Google Trust Services (WE1)
- Common name
- chatgpt.com
- Protocol
- TLSv1.3
- Valid from
- September 20, 2026 at 08:31 PM UTC
- Valid to
- December 19, 2026 at 09:31 PM UTCExpires in 66 days
Covered hostnames
3 names- chatgpt.com
- amb-staging.chatgpt.com
- *.amb-staging.chatgpt.com
Certificate chain
4 certificateschatgpt.com
Server certificate · Issued by Google Trust Services (WE1) · Valid to 19 Dec 2026
Google Trust Services (WE1)
Intermediate · Issued by Google Trust Services LLC (GTS Root R4) · Valid to 20 Feb 2029
Google Trust Services LLC (GTS Root R4)
Intermediate · Issued by GlobalSign nv-sa (GlobalSign Root CA) · Valid to 28 Jan 2028
GlobalSign nv-sa (GlobalSign Root CA)
Root · Valid to 28 Jan 2028
Serial number and fingerprints
- Serial number
- 11CDD38DCD4881351387C4C052625FC3
- SHA-256
- BE:5F:74:C3:A4:0B:86:2E:AF:BF:C7:C1:86:47:A4:5E:FF:7B:5E:29:7E:45:87:DC:F9:8D:1D:75:FA:9D:35:9A
- SHA-1
- F3:FB:A0:DA:7F:EB:30:EC:E6:05:AC:BB:91:59:15:24:A0:3A:2F:7A
Domain registration
Registered 30 Nov 2022
Expires in 47 daysRegistration data for chatgpt.com, from the registry's RDAP or WHOIS service.
- Registrar
- MarkMonitor Inc.IANA ID 292
- Registrant
- OpenAIUS
- Registered
- 30 Nov 20223 years, 10 months old
- Expires
- 30 Nov 2026Expires in 47 days
- Last updated
- 17 Oct 2024
- DNSSEC
- Unsigned
- Abuse email
- abusecomplaints@markmonitor.com
- Abuse phone
- +1.2086851750
Status
Nameservers
2 nameservers- hassan.ns.cloudflare.com
- savanna.ns.cloudflare.com
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Run this lookup from code
The API returns this result as JSON. The free plan includes 100 API calls per month.
curl "https://hostingchecker.online/api/v1/check?query=chatgpt.com" \
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