researchgate.net 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 86d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 172d
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 →
172.64.146.247
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 2
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🌐 CDN
Cloudflare
⚡ JS Framework
React
Screenshot 2026-08-20
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Captured: 2026-08-20 03:50:36 · 5.9 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) | 104.18.41.9172.64.146.247 |
| AAAA (IPv6) | 2a06:98c1:3106::ac40:92f72606:4700:4403::6812:2909 |
| NS | val.ns.cloudflare.commarty.ns.cloudflare.com |
| MX | 1 aspmx.l.google.com10 alt3.aspmx.l.google.com10 alt4.aspmx.l.google.com5 alt1.aspmx.l.google.com5 alt2.aspmx.l.google.com |
| TXT | v=spf1 ip4:209.15.209.64/27 ip4:209.15.214.192/28 ip4:209.15.243.112/28 ip4:209.15.247.224/28 ip4:209.15.249.176/28 ip4:209.15.249.224/29 ip4:209.15.250.112/28 ip4:37.44.2.16/28 include:_spf.google.com include:servers.mcsv.net include:mail.zendesk.com include:_spf.salesforce.com ~all apple-domain-verification=1zVGDn699lBJWe3h atlassian-domain-verification=Nad6ba1ysA1mdnvoY0zYwoRwv6nBwSBawy/Xaexh3Vf9DcC0a74yExKioYvCdaM7 google-site-verification=adDX9Qsrt8PjtLYlL3wfJJVp_QvS36jMwtcjEPd4J9Q google-site-verification=o6Zn1HIYOJ47s1qpx6D1NYJiRORsOBrWWIKgCHozu0g |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | Mesh Digital Limited |
| Registered | 2008-02-08 |
| Expires | 2027-02-08 (in 172 days) |
| Last Updated | 2026-02-07 |
| Status | client 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) | researchgate.net |
| Issuer | Google Trust Services |
| Valid From | 2026-08-16 |
| Valid Until | 2026-11-14 (86 days left) |
| SANs (2) | researchgate.net*.researchgate.net |
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.researchgate.net/ |
| strict-transport-security | max-age=31536000; includeSubDomains; preload |
| x-frame-options | SAMEORIGIN |
| referrer-policy | same-origin |
| cache-control | private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 |
| cf-ray | a2de6d785be3e5e9-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 | 172.64.146.247 |
| Provider | Cloudflare |
| Organization | Cloudflare, Inc. |
| ASN | AS13335 |
| Country | US |
| City | San Francisco |
Security Score
C (4/7)
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Sitemap & Robots
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| robots.txt | Found Restricted |
| Sitemap | Not found |
| Disallowed paths |
/cdn-cgi/
/connector/
/plugins.
/firststeps.
/publicliterature.PublicLiterature.search.html
/lite.publication.PublicationRequestFulltextPromo.requestFulltext.html
/signup.
|
Social & Meta Tags
Missing
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| Title | ResearchGate - Temporarily Unavailable |
| 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 ip4:209.15.209.64/27 ip4:209.15.214.192/28 ip4:209.15.243.112/28 ip4:209.15.247.224/28 ip4:209.15.249.176/28 ip4:209.15.249.224/29 ip4:209.15.250.112/28 ip4:37.44.2.16/28 include:_spf.google.com include:servers.mcsv.net include:mail.zendesk.com include:_spf.salesforce.com ~all |
| DMARC | ✓ Present v=DMARC1; p=reject; pct=100; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected] |
| MX Records | 1 → aspmx.l.google.com 10 → alt3.aspmx.l.google.com 10 → alt4.aspmx.l.google.com 5 → alt1.aspmx.l.google.com 5 → alt2.aspmx.l.google.com |