investopedia.com 403
🔒 SSL Valid
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 83d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 338d
Hosting The company and location where this website's server is physically located.Read more →
Cloudflare
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 →
172.66.1.220
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 3
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🌐 CDN
Cloudflare
🎨 CSS Framework
Tailwind CSS
⚡ JS Framework
Svelte
Screenshot 2026-08-20
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Captured: 2026-08-20 05:58:02 · 0.5 KB
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) | 172.66.1.220162.159.141.224 |
| AAAA (IPv6) | 2a06:98c1:58::1d82606:4700:7::1d8 |
| NS | blue.foundationdns.comblue.foundationdns.netblue.foundationdns.org |
| MX | 20 alt1.aspmx.l.google.com30 alt2.aspmx.l.google.com40 aspmx2.l.google.com50 aspmx3.l.google.com10 aspmx.l.google.com |
| TXT | openai-domain-verification=dv-gEkXimeL9rGDVPno1d3M80Ry google-site-verification=2Ni9meB83NWRT3OKYCkkIW2n5s0vITMvWCOB5qHRSUI google-site-verification=7U9I8OXvJpCZ0Wy22HzMIAqrxouKkzRsNYjxXo4r3ZE facebook-domain-verification=87sdjaffvy7sgr85gcbiqhj8np8yqs slack-domain-verification=RsETqALsR9157MTqtXUQCYug79sLTGhiEqRotwoS v=spf1 ip4:64.125.213.247 ip4:216.223.13.247 include:_spf.salesforce.com include:_spf.google.com include:mail.zendesk.com include:spf.mandrillapp.com include:shops.shopify.com include:amazonses.com ~all shopify-verification-code=4u4KjZnu6j7Y7M2F1NY3uHYaat9Dwc windsurf-verification=TQmtgOufPIucXHTvZpCu-69s1cUqRgANHjvb1jSKps4= atlassian-domain-verification=uUTQHYge655RxaiCqp-IAyc/Q7GgtoJziDouyp0rB7n8OUdp4q8WfSgllR1IaJVR ZOOM_verify_w86oGdeLQF2AAEx7l3qMEg google-site-verification=oexat4WLVVMCuMJyVHX6o-wTIKUky_V9F-jqr276Ppg MS=ms53501543 cursor-domain-verification-gqy09j=ZDoEErJc1oNEoeMYMwuV8lXRK adobe-idp-site-verification=4d443bb146b2a60fc0c0216c899a6ef9baa971cc3c36ac4b3020b4719b5c2e82 ms=ms48802116 HUBwlul5Fmy651CSwhlBYbGdWXe/swJ94BTJ+BEw/Eo9wc/RH7IF9Ee5L2ZqTwN7+Qpif6o3lZUamu73aplBWw== miro-verification=4a4040a3b3bcf8dd8693aadc1038336053ff0142 knowbe4-site-verification=fa92b9e4fa2fbe928824de444cebea5e docusign=2712ee87-1888-47bf-ae05-df3d4700e2af |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | MarkMonitor Inc. |
| Registered | 1999-07-25 |
| Expires | 2027-07-25 (in 338 days) |
| Last Updated | 2026-06-23 |
| Status | client delete prohibitedclient transfer prohibitedclient update prohibitedserver delete prohibitedserver transfer prohibitedserver 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) | investopedia.com |
| Issuer | Let's Encrypt |
| Valid From | 2026-08-14 |
| Valid Until | 2026-11-12 (83 days left) |
| SANs (2) | *.investopedia.cominvestopedia.com |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 403 |
| Server | cloudflare |
| Content-Type | text/html; charset=UTF-8 |
| Final URL | https://www.investopedia.com/ |
| strict-transport-security | max-age=15552000 |
| x-frame-options | SAMEORIGIN |
| x-content-type-options | nosniff |
| referrer-policy | same-origin |
| permissions-policy | accelerometer=(),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-ray | a2e7c9851fb1d91c-IAD |
Security headers HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
Hosting Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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| IP Address | 172.66.1.220 |
| Provider | Cloudflare |
| Organization | Cloudflare, Inc. |
| ASN | AS13335 |
| Country | US |
| City | San Francisco |
Security Score
A (6/7)
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Sitemap & Robots
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| robots.txt | Found Blocked |
| Sitemap | Found 3 sitemaps (index) pages |
| Last modified | 2026-08-21 |
| Disallowed paths |
/embed?
/cdn-cgi/
/thmb/
/
|
Social & Meta Tags
Missing
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| Title | Simple Page |
| Language | en |
Mail Security Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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| SPF | ✓ Present v=spf1 ip4:64.125.213.247 ip4:216.223.13.247 include:_spf.salesforce.com include:_spf.google.com include:mail.zendesk.com include:spf.mandrillapp.com include:shops.shopify.com include:amazonses.com ~all |
| DMARC | ✓ Present v=DMARC1; p=none; sp=none; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; |
| MX Records | 20 → alt1.aspmx.l.google.com 30 → alt2.aspmx.l.google.com 40 → aspmx2.l.google.com 50 → aspmx3.l.google.com 10 → aspmx.l.google.com |