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michaelmann.net

michaelmann.net 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 michaelmann.net in the Web Graph

Connectivity

#500,484harmonic-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://michaelmann.net/ answered with HTTP 200.

DNS records

A
  • 104.26.0.116
  • 104.26.1.116
  • 172.67.73.195
AAAA
  • 2606:4700:20::681a:74
  • 2606:4700:20::ac43:49c3
  • 2606:4700:20::681a:174
MX
  • 1 aspmx.l.google.com.
  • 10 alt3.aspmx.l.google.com.
  • 10 alt4.aspmx.l.google.com.
  • 5 alt1.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
NS
  • kenneth.ns.cloudflare.com.
  • melissa.ns.cloudflare.com.

Live preview

Screenshot of michaelmann.net

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

Since michaelmann.net 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
max-age=14400
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Referrer-Policy
same-origin
Permissions-Policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")

What each security header does

Redirect chain

  1. 1.http://michaelmann.net/HTTP 301

    → https://michaelmann.net/

  2. 2.https://michaelmann.net/HTTP 200

Meta tags

Title
Michael E. Mann | Scientist, Author and Speaker
Description
Presidential Distinguished Professor of Earth & Environmental Science at the University of Pennsylvania. Director, Penn Center for Science, Sustainability and the Media.
Canonical
https://michaelmann.net/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
WordPress 7.1.3
Open Graph title
Michael E. Mann | Scientist, Author and Speaker
Open Graph description
Presidential Distinguished Professor of Earth & Environmental Science at the University of Pennsylvania. Director, Penn Center for Science, Sustainability and the Media.
Open Graph image
https://michaelmann.net/wp-content/uploads/2025/01/mann-social-image.jpg
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Michael E. Mann | Scientist, Author and Speaker
Twitter image
https://michaelmann.net/wp-content/uploads/2025/01/mann-social-image.jpg

robots.txt

Disallow rules (User-agent: *)
1
Disallow rules (other agents)
0

Sitemap declared:

  • https://michaelmann.net/sitemap_index.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • WordPresscms

    <meta name="generator"> = "WordPress 7.1.3"

  • Google Analyticsanalytics

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

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