🌐 nih.com 403 🔒 SSL Valid
Checked: just now 🔗 Visit site
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This domain forwards to nih.gov (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 114d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 11d
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 →
156.40.212.210
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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Desktop
57
Score
97
Accessibility
96
Best Practices
92
SEO
LCP 3.13s
CLS 0.261
FCP 0.87s
TTFB 0.00s
TBT 274ms
SI 1.27s
Checked: 2026-09-04 11:58:07.704591 · 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)156.40.212.210
NSns.nih.govns3.nih.govns2.nih.gov
TXT (6)
+6 other TXT record(s)
Show all TXT records
@57jjjj3a0lnmes6l449ih1thke
rh426i3oiis217bktj8o4nd2m2
5pp3lmkd4pggia5lir7aukoiha
da1dfl8ipaafpqsh40iiuubf7n
sv6eiguevqe64cojov3psnedd2
57jjjj3a0lnmes6l449ih1thke
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarDomain.com - Network Solutions, LLC
Registered1999-11-04
Expires2026-11-04 (in 11 days)
Last Updated2025-12-04
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)www.nih.gov
IssuerGoDaddy.com, Inc.
Valid From2026-02-05
Valid Until2027-02-15 (114 days left)
SANs (28)salud.nih.govdevtestdomain.nih.govstagetestdomain.nih.govstagetestdomain6.nih.govstagetestdomain5.nih.govtestdomain2.nih.govstagetestdomain2.nih.govstagetestdomain7.nih.govwww.nih.comdevtestdomain7.nih.govclinicalresearchtrials.nih.govwww.nih.govnih.govstagetestdomain4.nih.govdevtestdomain4.nih.govnewsinhealth.nih.govdevtestdomain6.nih.govtestdomain.nih.govstagetestdomain3.nih.govwww.health.nih.gov +8 more
📡 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.nih.gov/
strict-transport-securitymax-age=31536000; includeSubDomains; preload
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
referrer-policysame-origin
cache-controlprivate, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-raya4f7796f1c33f27a-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 Address156.40.212.210
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score B (5/7)
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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
DMARC✓ Present
v=DMARC1;p=reject;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];fo=1;
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 20 active 1 for sale 2 available
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.com current
.net ●
.org ●
.info ●
.io ●
.co ●
.dev ●
.app ●
.me ●
.biz Available
.eu ●
.xyz ●
.fi ●
.se ●
.de ●
.uk ●
.fr ●
.nl taken
.es ●
.it ●
.us Available
.ca ●
.com.au ●
.co.uk ●
📡 Uptime Monitor
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Current Status 🟢 Client Error
HTTP Status 403
Response Time 101ms
Last Checked 2026-10-19 18:01:30.662729
Uptime (30d) 100%