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Domain report

sec3.dev

sec3.dev ranks in the top 1.48% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 5 distinct hosts observed under it.

Explore sec3.dev in the Web Graph

Connectivity

#1,965,957harmonic-centrality rank
Top percentile
1.48%
Hosts observed
5

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://sec3.dev/ answered with HTTP 200.

DNS records

A
  • 216.198.79.1
AAAA
No records found.
MX
  • 1 aspmx.l.google.com.
  • 10 alt4.aspmx.l.google.com.
  • 10 alt3.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
  • 5 alt1.aspmx.l.google.com.
NS
  • ns41.domaincontrol.com.
  • ns42.domaincontrol.com.
AS
Server in network AMAZON-02, AS16509 · United States216.198.79.0/24, which holds 216.198.79.1

Live preview

Screenshot of sec3.dev

This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.

Since sec3.dev can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 502).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=utf-8
Cache-Control
public, max-age=0, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://www.google.com https://www.gstatic.com https://va.vercel-scripts.com https://www.googletagmanager.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; img-src 'self' data: https:; connect-src 'self' https://www.google-analytics.com https://vitals.vercel-insights.com https://www.google.com; frame-src https://www.google.com;
Strict-Transport-Security
max-age=31536000; includeSubDomains
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Referrer-Policy
strict-origin-when-cross-origin
Permissions-Policy
geolocation=(), microphone=(), camera=()

What each security header does

Redirect chain

  1. 1.http://sec3.dev/HTTP 308

    → https://sec3.dev/

  2. 2.https://sec3.dev/HTTP 200

Meta tags

Title
Sec3 | Solana Security
Description
Sec3 provides Solana security audits, formal verification, and smart contract security for high-stakes protocols. Public audit reports, vulnerability research, and post-deployment monitoring.
Canonical
Not set
Robots
index, follow
Generator
Not set
Open Graph title
Sec3 | Solana Security
Open Graph description
Sec3 provides Solana security audits, formal verification, and smart contract security for high-stakes protocols. Public audit reports, vulnerability research, and post-deployment monitoring.
Open Graph image
Not set
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Sec3 | Solana Security
Twitter image
Not set

robots.txt

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

Sitemap declared:

  • https://sec3.dev/sitemap.xml

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

  • 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.