🌐 researchgate.com 403 🔒 SSL Valid
Checked: just now 🔗 Visit site
↪
This domain forwards to researchgate.net (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 82d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
N/A
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 →
34.185.181.198
Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
64 mob
Uptime
100%
⚡ Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability. 64
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Mobile
64
Score
81
Accessibility
77
Best Practices
100
SEO
LCP 5.21s
CLS 0.016
FCP 3.76s
TTFB 0.00s
TBT 364ms
SI 3.76s
Desktop
91
Score
81
Accessibility
77
Best Practices
100
SEO
LCP 1.72s
CLS 0.000
FCP 1.00s
TTFB 0.00s
TBT 65ms
SI 1.00s
Checked: 2026-09-04 11:39:52.796357 · View on PageSpeed
🛠️ Tech Stack ?Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools.
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No technologies detected

📸 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)34.185.181.198
NSns-cloud-c2.googledomains.comns-cloud-c4.googledomains.comns-cloud-c1.googledomains.comns-cloud-c3.googledomains.com
MX10 mxlb.ispgateway.de
TXT (1)
v=spf1 include:spf1.researchgate.net include:spf2.researchgate.net include:spf3.researchgate.net include:ispgateway.de -all
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarN/A
RegisteredN/A
ExpiresN/A
Last UpdatedN/A
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)*.researchgate.com
IssuerGoogle Trust Services
Valid From2026-10-11
Valid Until2027-01-09 (82 days left)
SANs (2)*.researchgate.comresearchgate.com
📡 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://www.researchgate.net/
strict-transport-securitymax-age=31536000; includeSubDomains; preload
x-frame-optionsSAMEORIGIN
referrer-policysame-origin
cache-controlprivate, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-raya4cb2d055a712029-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 Address34.185.181.198
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score C (4/7)
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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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SPF✓ Present
v=spf1 include:spf1.researchgate.net include:spf2.researchgate.net include:spf3.researchgate.net include:ispgateway.de -all
DMARCNot set
MX Records
10 → mxlb.ispgateway.de
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 14 active 1 for sale 8 available
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.com current
.net ●
.org ●
.info ●
.io ●
.co ●
.dev Available
.app Available
.me Available
.biz ●
.eu ●
.xyz ●
.fi Available
.se Available
.de ●
.uk ●
.fr taken
.nl ●
.es Available
.it Available
.us ●
.ca ●
.com.au Available
.co.uk ●
📡 Uptime Monitor
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Current Status 🟢 Client Error
HTTP Status 403
Response Time 365ms
Last Checked 2026-10-18 01:16:53.818308
Uptime (30d) 100%