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Domain report

opuscan.com

opuscan.com ranks in the top 0.21% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore opuscan.com in the Web Graph

Connectivity

#274,945harmonic-centrality rank
Top percentile
0.21%
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://opuscan.com/ answered with HTTP 200.

DNS records

A
  • 172.67.131.151
  • 104.21.4.30
AAAA
  • 2606:4700:3033::6815:41e
  • 2606:4700:3036::ac43:8397
MX
  • 1 smtp.google.com.
NS
  • bruce.ns.cloudflare.com.
  • irma.ns.cloudflare.com.

Live preview

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

Domain registration (WHOIS / RDAP)

Registrar
Cloudflare, Inc.
Registered
2026-06-19
Expires
2027-06-19
Last changed
2026-06-19

Nameservers: BRUCE.NS.CLOUDFLARE.COM, IRMA.NS.CLOUDFLARE.COM

Status: client transfer prohibited

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

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
Not sent
Strict-Transport-Security
max-age=31536000; includeSubDomains; preload
X-Frame-Options
Not sent
X-Content-Type-Options
nosniff
Referrer-Policy
strict-origin-when-cross-origin
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://opuscan.com/HTTP 301

    → https://www.opuscan.com/

  2. 2.https://www.opuscan.com/HTTP 200

Meta tags

Title
Opuscan - sheet music scanner: scan sheet music into editable scores
Description
Opuscan is the sheet music scanner app that turns a photo, scan, or PDF into an editable, playable score. Powered by Tutteo's optical music recognition (OMR), the engine behind Flat. Available on macOS, Windows, iOS, and Android. No account needed.
Canonical
https://www.opuscan.com/
Robots
Not set
Generator
Not set
Open Graph title
Opuscan - turn any sheet music into editable scores
Open Graph description
Opuscan is the sheet music scanner app that turns a photo, scan, or PDF into an editable, playable score. Powered by Tutteo's optical music recognition (OMR), the engine behind Flat. Available on macOS, Windows, iOS, and Android. No account needed.
Open Graph image
https://resources.flat-cdn.com/site/opuscan/og-feature-graphic.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Opuscan - turn any sheet music into editable scores
Twitter image
https://resources.flat-cdn.com/site/opuscan/og-feature-graphic.png

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

  • Nuxtframework

    Found "/_nuxt/" in the page's HTML

  • Cloudflare Web Analyticsanalytics

    Found "static.cloudflareinsights.com" in the page's HTML

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