Domain report
shadowserver.org
shadowserver.org ranks in the top 0.29% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 46 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.29%
- Hosts observed
- 46
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://shadowserver.org/ answered with HTTP 200.
DNS records
- A
- 103.41.71.79
- AAAA
- No records found.
- MX
- 20 mx2.shadowserver.org.
- 10 mail.shadowserver.org.
- NS
- ns2.shadowserver.org.
- ns1.shadowserver.org.
- ns3.shadowserver.org.
- AS
- Server in network PROLEXIC-IP-PROTECT, AS213120 · Netherlands103.41.71.0/24, which holds 103.41.71.79
Live preview
This is a live, sandboxed embed of shadowserver.org — not a copy. What it shows can change any time the site itself does.
Domain registration (WHOIS / RDAP)
RDAP lookup failed (HTTP 429).
SSL certificate
Certificate Transparency lookup failed (HTTP 429).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html; charset=utf-8
- Cache-Control
- public, max-age=0, s-maxage=604800
- 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
Redirect chain
- 1.
http://shadowserver.org/HTTP 301→ https://www.shadowserver.org/
- 2.
https://www.shadowserver.org/HTTP 200
Meta tags
- Title
- The Shadowserver Foundation
- Description
- The Shadowserver Foundation is a nonprofit security organization working altruistically behind the scenes to make the Internet more secure for everyone.
- Canonical
- https://www.shadowserver.org/
- Robots
- max-image-preview:large
- Generator
- WordPress 7.1.2
- Open Graph title
- Not set
- Open Graph description
- Not set
- Open Graph image
- Not set
- Open Graph type
- Not set
- Twitter card
- Not set
- Twitter title
- Not set
- Twitter image
- Not set
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
- WordPresscms
<meta name="generator"> = "WordPress 7.1.2"
- Google Analyticsanalytics
Found "googletagmanager.com/gtag/js" in the page's HTML
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.