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Domain report

researchkit.org

researchkit.org ranks in the top 0.33% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore researchkit.org in the Web Graph

Connectivity

#433,612harmonic-centrality rank
Top percentile
0.33%
Hosts observed
2

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://researchkit.org/ answered with HTTP 200.

DNS records

A
  • 17.253.142.4
AAAA
No records found.
MX
No records found.
NS
  • a.ns.apple.com.
  • b.ns.apple.com.
  • c.ns.apple.com.
  • d.ns.apple.com.
AS
Server in network APPLE-ENGINEERING, AS714 · United States17.253.142.0/24, which holds 17.253.142.4

Live preview

This is a live, sandboxed embed of researchkit.org — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

Registrar
Nom-iq Ltd. dba COM LAUDE
Registered
2015-02-07
Expires
2027-02-07
Last changed
2026-08-12

Nameservers: a.ns.apple.com, b.ns.apple.com, c.ns.apple.com, d.ns.apple.com

Status: client delete prohibited, client transfer prohibited, client update prohibited

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed: The operation was aborted due to timeout

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=utf-8
Cache-Control
max-age=600
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://researchkit.org/HTTP 301

    → https://researchandcare.org/

  2. 2.https://researchandcare.org/HTTP 301

    → https://www.researchandcare.org/

  3. 3.https://www.researchandcare.org/HTTP 200

Meta tags

Title
Overview - ResearchKit & CareKit
Description
Develop groundbreaking apps for research studies and patient care with these two open source frameworks.
Canonical
https://www.researchandcare.org/
Robots
Not set
Generator
Not set
Open Graph title
Overview - ResearchKit & CareKit
Open Graph description
Develop groundbreaking apps for research studies and patient care with these two open source frameworks.
Open Graph image
https://www.researchandcare.org/images/og/og-overview.jpg?t=1791388628663
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Overview - ResearchKit & CareKit
Twitter image
https://www.researchandcare.org/images/og/og-overview.jpg?t=1791388628663

robots.txt

Disallow rules (User-agent: *)
0
Disallow rules (other agents)
0

No Sitemap declared in robots.txt.

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • Next.jsframework

    Found "_next/static/" in the page's HTML

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.