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Domain report

authonomy.com

authonomy.com ranks in the top 0.32% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 3 distinct hosts observed under it.

Explore authonomy.com in the Web Graph

Connectivity

#429,565harmonic-centrality rank
Top percentile
0.32%
Hosts observed
3

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

DNS records

A
  • 89.106.200.169
AAAA
No records found.
MX
No records found.
NS
  • ns4.markmonitor.com.
  • ns7.markmonitor.com.
  • ns6.markmonitor.com.
  • ns2.markmonitor.com.
  • ns1.markmonitor.com.
  • ns5.markmonitor.com.
  • ns3.markmonitor.com.
AS
Server in network ENFLOW, AS209626 · Netherlands89.106.200.0/24, which holds 89.106.200.169

Live preview

Screenshot of authonomy.com

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

Since authonomy.com 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 429).

How to check when a certificate expires

HTTP & security headers

Response

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

Security

Content-Security-Policy
block-all-mixed-content; frame-ancestors 'none'; upgrade-insecure-requests;
Strict-Transport-Security
max-age=7889238
X-Frame-Options
DENY
X-Content-Type-Options
nosniff
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

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

    → https://authonomy.com/

  2. 2.https://authonomy.com/HTTP 301

    → https://www.harpercollins.co.uk/

  3. 3.https://www.harpercollins.co.uk/HTTP 301

    → https://harpercollins.co.uk/

  4. 4.https://harpercollins.co.uk/HTTP 200

Meta tags

Title
HarperCollins UK Publishers Ltd. – HarperCollins Publishers UK
Description
HarperCollins UK is home to many of the country’s best loved authors, books and brands. Discover thousands of fantastic titles from some of the brightest names in fiction, non-fiction, children’s books, reference and more. HarperCollins is proud to be an Accessible Publisher.
Canonical
https://harpercollins.co.uk/
Robots
Not set
Generator
Not set
Open Graph title
HarperCollins UK Publishers Ltd.
Open Graph description
HarperCollins UK is home to many of the country’s best loved authors, books and brands. Discover thousands of fantastic titles from some of the brightest names in fiction, non-fiction, children’s books, reference and more. HarperCollins is proud to be an Accessible Publisher.
Open Graph image
https://cdn.shopify.com/s/files/1/0288/2289/6718/files/hc-logo.png?height=628&pad_color=fff&v=1614346811&width=1200
Open Graph type
website
Twitter card
summary_large_image
Twitter title
HarperCollins UK Publishers Ltd.
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
1
Disallow rules (other agents)
642

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

  • Shopifyecommerce

    Found "cdn.shopify.com" in the page's HTML

Related domains

Similar connectivity

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