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Domain report

joinroundzero.com

joinroundzero.com ranks in the top 0.13% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.

Explore joinroundzero.com in the Web Graph

Connectivity

#177,553harmonic-centrality rank
Top percentile
0.13%
Hosts observed
1

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://joinroundzero.com/ answered with HTTP 200.

DNS records

A
  • 172.67.162.209
  • 104.21.90.243
AAAA
  • 2606:4700:3037::ac43:a2d1
  • 2606:4700:3031::6815:5af3
MX
  • 33 route3.mx.cloudflare.net.
  • 49 route2.mx.cloudflare.net.
  • 74 route1.mx.cloudflare.net.
NS
  • chan.ns.cloudflare.com.
  • ezra.ns.cloudflare.com.

Live preview

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

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

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
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=31536000; includeSubDomains
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://joinroundzero.com/HTTP 301

    → https://joinroundzero.com/

  2. 2.https://joinroundzero.com/HTTP 200

Meta tags

Title
Round Zero: Practice Interviews, Presentations and Reviews With AI
Description
Practice the conversation before it happens. Rehearse out loud with an AI that pushes back, get scored, fix one thing. 30 free minutes, no card.
Canonical
https://joinroundzero.com/
Robots
index, follow, max-image-preview:large
Generator
Not set
Open Graph title
Round Zero | Practice the conversation before it happens
Open Graph description
Say it out loud, get scored, fix one thing, go again.
Open Graph image
https://joinroundzero.com/social-card.png?v=20261005
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Round Zero: Practice Interviews, Presentations and Reviews With AI
Twitter image
https://joinroundzero.com/social-card.png?v=20261005

robots.txt

Disallow rules (User-agent: *)
2
Disallow rules (other agents)
20

Sitemap declared:

  • https://joinroundzero.com/sitemap.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

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