wstein.org

.org crawl

First seen 2026-04-15 · Last seen 2026-05-16 · ok HTTP/1.1 200 1105 ms crawled 2026-05-09

US · 188.114.96.3 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
William Stein's Homepage

Technology

CDN
Cloudflare

Third-party hosts loaded (2)

  • maxcdn.bootstrapcdn.com×3
  • code.jquery.com×2

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2007-03-24
Expires
2028-03-24 674 days left
Updated
2026-03-30
Name servers
  • candy.ns.cloudflare.com
  • rajeev.ns.cloudflare.com

DNS records live

NS
  • candy.ns.cloudflare.com
  • rajeev.ns.cloudflare.com

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-03 to 2026-07-02
Expires in 44 days

HTTP security headers

Header hygiene 85/100 Checked live page: https://wstein.org/

present
  • strict-transport-security
  • content-security-policy
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • CSP uses wildcard sources
  • missing frame protection
Header values
referrer-policy
strict-origin-when-cross-origin
permissions-policy
camera=*; microphone=*; fullscreen=(self "https://www.youtube-nocookie.com" "https://www.youtube.com" "https://player.vimeo.com"); picture-in-picture=(self "https://www.youtube-nocookie.com" "https://www.youtube.com" "https://player.vimeo.com")
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self' https://*.minervaproject.com https://*.kgi.edu https://dev.harald.schil.ly https://*.doulos.com https://*.codesignal.com https://roamresearch.com;
strict-transport-security
max-age=31536000; includeSubdomains; preload

Links to (8)

Linked from (2)