🌐 chatgpt.dev 403 🔒 SSL Valid
Checked: just now 🔗 Visit site
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This domain forwards to chatgpt.com (checked 0d ago)
HTTP Status ?A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
403
SSL Expires ?When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 68d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 401d
Hosting ?The company and location where this website's server is physically located.Read more →
Unknown
Security ?Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
2/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
104.21.25.2
Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
100%
⚡ Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
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Performance data not available yet.

🛠️ Tech Stack ?Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools.
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No technologies detected

📸 Screenshot
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Screenshot not available yet.

🌐 DNS Records ?DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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A (IPv4)104.21.25.2172.67.221.131
AAAA (IPv6)2606:4700:3037::6815:19022606:4700:3035::ac43:dd83
NSseth.ns.cloudflare.comwally.ns.cloudflare.com
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarMarkMonitor Inc.
Registered2022-12-01
Expires2027-12-01 (in 401 days)
Last Updated2025-10-14
Statusclient delete prohibitedclient transfer prohibitedclient update prohibited
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)chatgpt.dev
IssuerGoogle Trust Services
Valid From2026-10-04
Valid Until2027-01-02 (68 days left)
SANs (2)chatgpt.dev*.chatgpt.dev
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status403
Servercloudflare
Content-Typetext/html; charset=UTF-8
Final URLhttps://chatgpt.com/
strict-transport-securitymax-age=31536000; includeSubDomains; preload
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
referrer-policysame-origin
permissions-policyaccelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=(),xr-spatial-tracking=*
cf-raya5066b1fcd6d20a0-IAD
Security headers ?HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
HSTS
Content-Security-Policy
X-Frame-Options
🏠 Hosting ?Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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IP Address104.21.25.2
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score A (6/7)
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Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ Sitemap & Robots
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No robots.txt
This site has no robots.txt file, so crawlers may access everything by default.
Sitemap Not found
🔗 Social & Meta Tags
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No meta tags detected.

📧 Mail Security ?Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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SPFNot set
DMARCNot set
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 22 active 1 for sale
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.com ●
.net ●
.org ●
.info ●
.io ●
.co ●
.dev current
.app ●
.me ●
.biz ●
.eu ●
.xyz ●
.fi ●
.se ●
.de ●
.uk ●
.fr ●
.nl ●
.es ●
.it ●
.us taken
.ca ●
.com.au ●
.co.uk ●
📡 Uptime Monitor
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Current Status 🟢 Client Error
HTTP Status 403
Response Time 95ms
Last Checked 2026-10-26 02:00:30.404722
Uptime (30d) 100%