Site profile
nih.gov
National Institutes of Health (NIH)
Official website of the National Institutes of Health (NIH). NIH is one of the world's foremost medical research centers. An agency of the U.S. Department of Health and Human Services, the NIH is the Federal focal point for health and medical research. The NIH
from the homepage description
- Domain age29 yearssince Oct 2, 1997
- Registrarget.gov
- ExpiresAug 22, 2027
- Popularity#138Tranco top 1M
- HostingNational Institutes of HealthAS3527
- Homepage response266 msHTTP 200 · HTTPS
- Site languageEN
What we know about this site
nih.gov currently answers from 156.40.212.210. Geolocation puts the server in Bethesda, Maryland, United States.
The server sits on the National Institutes of Health network, autonomous system AS3527.
The domain uses 3 name servers under its own name. There are no AAAA records, so the site does not answer over IPv6.
Email for the domain is handled by its own servers. SPF is set, and the DMARC policy is reject, so mail that fails checks is refused.
By popularity, nih.gov ranks #138 in the Tranco top 1M list, which combines several traffic sources and updates daily.
TXT records include ownership verification for: Apple, DocuSign, OpenAI, Miro, Google Search Console, Adobe, Cisco, Atlassian.
nih.gov was registered on Oct 2, 1997 through get.gov, making it 29 years old. The registration runs until Aug 22, 2027.
The site is built with Drupal, jQuery, and it tracks visits with Cloudflare Web Analytics.
The homepage passes 9 of 13 basic SEO checks.
Homepage SEO check
9 of 13 checks passed
- ✓HTTPSsecure connection
- ✓Title37 chars
- !Description260 chars
- !H1missing
- ✓Mobile viewportset
- ✓Canonicalset
- ✓Open Graphset
- ✓Image alt text18 of 18
- ✓HTML size62 KB
- ✓robots.txtfound
- !Sitemapnot listed
- !Schema.orgnone
- ✓Indexingallowed
Security headers
HTTPS and protective response headers
- ✓HTTPS
- ✓HSTS
- ✓CSP
- ✓X-Frame-Options
- ✓X-Content-Type-Options
- ✓Referrer-Policy
- !Permissions-Policy
IPv4 addresses
Summary
- Popularity rank
- #138 Tranco
- CDN
- no
- Hosting
- AS3527 National Institutes of Health
- DNS provider
- own servers
- own servers
- SPF
- yes ~all
- DMARC
- p=reject
- IPv6
- no
Server location
- Country
United States- Region
- Maryland
- City
- Bethesda
- Hosting network
- AS3527 National Institutes of Health
Name servers
- ns.nih.gov
- ns2.nih.gov
- ns3.nih.gov
Mail servers
- nihcesxway3.hub.nih.gov
- nihcesxway4.hub.nih.gov
- nihcesxway5.hub.nih.gov
- nihcesxway6.hub.nih.gov
- nihcesxwayst03.hub.nih.gov
- nihcesxwayst04.hub.nih.gov
- nihcesxwayst05.hub.nih.gov
- nihcesxwayst06.hub.nih.gov
Sites of similar popularity
Questions and answers
What is the IP address of nih.gov?
nih.gov answers from 156.40.212.210. Addresses can change; this page refreshes the data when opened.
Where is the nih.gov server located?
Geolocation places the server in Bethesda, Maryland, United States.
Who hosts nih.gov?
The address belongs to the National Institutes of Health network, autonomous system AS3527.
Who provides DNS for nih.gov?
The domain runs its own name servers: ns.nih.gov, ns2.nih.gov, ns3.nih.gov.
When was nih.gov registered?
The domain was registered on 1997-10-02 through get.gov.
What is nih.gov built with?
The homepage code points to: Drupal, jQuery.
Which email provider does nih.gov use?
Email runs on the domain’s own servers. SPF is configured.