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sofheyman.org

sofheyman.org ranks in the top 0.38% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore sofheyman.org in the Web Graph

Connectivity

#505,348harmonic-centrality rank
Top percentile
0.38%
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://sofheyman.org/ answered with HTTP 200.

DNS records

A
  • 104.21.45.251
  • 172.67.221.174
AAAA
  • 2606:4700:3037::ac43:ddae
  • 2606:4700:3034::6815:2dfb
MX
No records found.
NS
  • karsyn.ns.cloudflare.com.
  • tanner.ns.cloudflare.com.
AS
Server in network CLOUDFLARENET, AS13335 · United States104.21.45.0/24, which holds 104.21.45.251

Live preview

Screenshot of sofheyman.org

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

Since sofheyman.org 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
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
frame-ancestors 'self'
Strict-Transport-Security
Not sent
X-Frame-Options
DENY, SAMEORIGIN
X-Content-Type-Options
Not sent
Referrer-Policy
no-referrer-when-downgrade
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://sofheyman.org/HTTP 301

    → https://sofheyman.org/

  2. 2.https://sofheyman.org/HTTP 200

Meta tags

Title
The Society of Fellows and Heyman Center for the Humanities | SOF/Heyman
Description
Through lectures, conferences, readings, performances, and workshops, SOF/Heyman at Columbia University aims to enhance the role of the humanities in serving…
Canonical
https://sofheyman.org/
Robots
all
Generator
SEOmatic
Open Graph title
SOF/Heyman | The Society of Fellows and Heyman Center for the Humanities
Open Graph description
Through lectures, conferences, readings, performances, and workshops, SOF/Heyman at Columbia University aims to enhance the role of the humanities in serving…
Open Graph image
https://sofheyman.org/images/logo/_1200x630_crop_center-center_82_none/Social-SOFH-Logo-YG-on-B.png?mtime=1605881718
Open Graph type
website
Twitter card
summary_large_image
Twitter title
SOF/Heyman | The Society of Fellows and Heyman Center for the Humanities
Twitter image
https://sofheyman.org/images/logo/_800x418_crop_center-center_82_none/Social-SOFH-Logo-YG-on-B.png?mtime=1605881718

robots.txt

Disallow rules (User-agent: *)
4
Disallow rules (other agents)
0

Sitemap declared:

  • https://sofheyman.org/sitemaps-2-sitemap.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • Google Analyticsanalytics

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

Related domains

Similar connectivity

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