indexo.dev

preventionmastery.com

.com crawl

First seen 2026-05-30 · Last seen 2026-05-31 · ok HTTP/1.1 200 1085 ms crawled 2026-05-31

US · 198.185.159.144 · AS53831 Squarespace, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Prevention Mastery
Language
en-US
Canonical
https://www.preventionmastery.com
Feeds

Open Graph

url
https://www.preventionmastery.com
title
Prevention Mastery
site name
Prevention Mastery

Technology

Server
Squarespace
CMS
Squarespace
Fonts
  • Google Fonts
Social widgets
  • Vimeo Embed
Third-party hosts loaded (7)
  • definitions.sqspcdn.com×19
  • assets.squarespace.com×12
  • images.squarespace-cdn.com×9
  • static1.squarespace.com×3
  • fonts.googleapis.com×1
  • fonts.gstatic.com×1
  • player.vimeo.com×1

Contact

Email
Phone

Registration

Registrar
Squarespace Domains II LLC
Created
2021-07-07
Expires
2026-07-07 26 days left
Updated
2025-06-22
Name servers
  • ns-cloud-b1.googledomains.com
  • ns-cloud-b2.googledomains.com
  • ns-cloud-b3.googledomains.com
  • ns-cloud-b4.googledomains.com

DNS records live

NS
  • ns-cloud-b1.googledomains.com
  • ns-cloud-b2.googledomains.com
  • ns-cloud-b3.googledomains.com
  • ns-cloud-b4.googledomains.com
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
Verified for
  • Google

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjJTSiWTGydXz68hJVckvaEn/f7sClqUltxls6W2wBlxw7hxB9gTMl/C+Qm0IPnGJc53RNAuKhVCXOx…
selectors probed

Certificate (current)

R12
from 2026-04-25 to 2026-07-24
Expires in 43 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.preventionmastery.com/

present
  • strict-transport-security
  • x-content-type-options
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=0

Links to (1)

Linked from (1)

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