🌐 jstor.org 200 🔒 SSL Valid
Checked: just now 🔗 Visit site
HTTP Status ?A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires ?When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 107d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 1584d
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 →
0/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
151.101.0.152
Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
N/A
⚡ 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. 1
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⚡ Cache
Varnish
📸 Screenshot Processing...
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⏳

Screenshot is being captured...

🌐 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)151.101.0.152151.101.128.152151.101.64.152151.101.192.152
NSusnjpr2ns04.ithaka.orgusaeaz1ns03.ithaka.orgusmiaa1ns03.ithaka.orgusnjpr2ns01.ithaka.orgusaeaz1ns05.ithaka.orgusnjpr2ns02.ithaka.orgusnyny1ns05.ithaka.org
MX10 IthakaHarbors-org.mail.protection.outlook.com
TXT (9)
Services configured via TXT:
Facebook / Meta Google Microsoft 365 OpenAI Salesforce Pardot
+3 other TXT record(s)
Show all TXT records
v=spf1 mx include:spf.protection.outlook.com include:u1397501.wl.sendgrid.net include:mail.zendesk.com include:aspmx.pardot.com ~all
pardot1053043=4a6c81f133c99f6b859af420931577c383a1b1cd4e153d11ddb1b150a902b382
openai-domain-verification=dv-EAO0jUA8iKZCqlqYfddXpA3R
MS=ms59722565
u1h2sp5uvkoufuh88hdvhk9orc.
google-site-verification=fUzFvqROnu3S1gFEmkwguY42PzRgOFzwg4qQMP24sU4
_globalsign-domain-verification=-lBuNJDFRxDkLkNbYOLBU03PlWjnPqAzBPAVUokhAw
sending_domain1053043=a4a2b757167b9ba217895b3e2bb19f3873b9db5b7c0e9b4c6dd2c98c32b93935
facebook-domain-verification=t7mhq4udodhlfom0rn909rrhmrcq7f
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarNetwork Solutions, LLC
Registered1996-02-16
Expires2031-02-17 (in 1584 days)
Last Updated2026-08-12
Statusclient transfer prohibited
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)jstor.org
IssuerGlobalSign nv-sa
Valid From2026-07-17
Valid Until2027-02-01 (107 days left)
SANs (40)jstor.org*.aluka.org*.apps.prod.jstor.org*.apps.test.jstor.org*.artstor.org*.cdn.aluka.org*.cdn.jstor.org*.forum.jstor.org*.ithaka.org*.j-img.org*.jstor.org*.sharedshelf.artstor.org*.sharedshelf.stage.artstor.org*.sr.ithaka.org*.sscommons.org*.stage.artstor.orgaluka.orgapps.prod.jstor.orgapps.test.jstor.orgartstor.org +20 more
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status200
ServerN/A
Content-Typetext/html; charset=utf-8
Final URLhttps://www.jstor.org/
cache-controlprivate, no-store
x-cacheMISS
via1.1 varnish
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 Address151.101.0.152
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score F (1/7)
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Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ Sitemap & Robots
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Partially restricted
Some areas are hidden from crawlers, but the main content stays open to search engines.
🤖
AI crawlers restricted — ClaudeBot, CCBot, GPTBot, Google-Extended
Areas hidden from crawlers:
🚫 Entire site 1 🔍 Search & filters 1 🔌 API & endpoints 1 📁 Other paths 17
Show raw disallow rules (20)
/action
/api
/citation
/clockss-manifest
/doi/abs
/feedback
/purchase
/register/
/stable/full
/stable/suppl
/stable/view
/start-session
/stoken
/tc/accept
/token
/topic
/ui_log
/userimages
/doi/xml
/
… list truncated
Sitemap Not found
🔗 Social & Meta Tags Missing
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TitleClient Challenge
Languageen
📧 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 mx include:spf.protection.outlook.com include:u1397501.wl.sendgrid.net include:mail.zendesk.com include:aspmx.pardot.com ~all
DMARC✓ Present
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400
MX Records
10 → IthakaHarbors-org.mail.protection.outlook.com
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 9 active 3 for sale 11 available
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.com ●
.net ●
.org current
.info ●
.io Available
.co ●
.dev Available
.app ●
.me Available
.biz ●
.eu Available
.xyz ●
.fi Available
.se Available
.de taken
.uk Available
.fr Available
.nl taken
.es ●
.it Available
.us taken
.ca Available
.com.au ●
.co.uk Available
📡 Uptime Monitor
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Not checked yet — data will appear after the first monitoring run.