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Domain report

a2central.com

a2central.com ranks in the top 0.35% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 6 distinct hosts observed under it.

Explore a2central.com in the Web Graph

Connectivity

#471,570harmonic-centrality rank
Top percentile
0.35%
Hosts observed
6

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://a2central.com/ answered with HTTP 200.

DNS records

A
  • 199.16.172.93
  • 199.16.173.110
AAAA
No records found.
MX
  • 0 mx1.mailchannels.net.
  • 0 mx2.mailchannels.net.
NS
  • ns2.dreamhost.com.
  • ns1.dreamhost.com.
  • ns3.dreamhost.com.

Live preview

This is a live, sandboxed embed of a2central.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
max-age=65, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=31536000
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
interest-cohort=()

What each security header does

Redirect chain

  1. 1.http://a2central.com/HTTP 301

    → https://a2central.com/

  2. 2.https://a2central.com/HTTP 200

Meta tags

Title
A2Central.com - Your total source for Apple II computing
Description
The retrocomputing community's source for news, updates, and releases for the Apple II, Steve Wozniak's most famous personal computer.
Canonical
https://a2central.com/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
Site Kit by Google 1.190.0
Open Graph title
A2Central.com - Your total source for Apple II computing
Open Graph description
Not set
Open Graph image
https://a2central.com/wp-content/uploads/2023/02/a2central-matisseiigs.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
4
Disallow rules (other agents)
15

Sitemap declared:

  • https://a2central.com/sitemap.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • WordPresscms

    Found "wp-content/" in the page's HTML

  • Google Analyticsanalytics

    Found "googletagmanager.com/gtag/js" in the page's HTML

Related domains

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