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Domain report

zerx.dev

zerx.dev ranks in the top 0.14% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 5 distinct hosts observed under it.

Explore zerx.dev in the Web Graph

Connectivity

#184,331harmonic-centrality rank
Top percentile
0.14%
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://zerx.dev/ answered with HTTP 200.

DNS records

A
  • 104.21.45.112
  • 172.67.213.145
AAAA
  • 2606:4700:3031::6815:2d70
  • 2606:4700:3031::ac43:d591
MX
No records found.
NS
  • aria.ns.cloudflare.com.
  • dane.ns.cloudflare.com.

Live preview

This is a live, sandboxed embed of zerx.dev — 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
Cache-Control
public, max-age=0, s-maxage=300, stale-while-revalidate=3600
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
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://zerx.dev/HTTP 301

    → https://zerx.dev/

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

Meta tags

Title
ZerxLab — ZerxLab
Description
聚焦高性能应用、现代技术架构与开源工具,探索代码与工程的边界。
Canonical
https://zerx.dev/
Robots
index, follow, max-image-preview:large, max-snippet:-1
Generator
Astro v6.1.7
Open Graph title
ZerxLab — ZerxLab
Open Graph description
聚焦高性能应用、现代技术架构与开源工具,探索代码与工程的边界。
Open Graph image
Not set
Open Graph type
website
Twitter card
summary
Twitter title
ZerxLab — ZerxLab
Twitter image
Not set

robots.txt

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

Sitemap declared:

  • https://zerx.dev/sitemap-index.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

Related domains

Similar connectivity

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