indexo.dev

foundersnotes.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 3650 ms crawled 2026-05-19

US · 99.83.220.108 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Founders Notes
Description
Grow wiser with David's curated list of highlights and founders notes.
Language
en

Open Graph

url
https://foundersnotes.com
title
Founders Notes
description
Grow wiser with David's curated list of highlights and founders notes.

Technology

Server
Heroku
CMS
Gatsby
Analytics
  • Google Tag Manager
Fonts
  • Font Awesome
  • Google Fonts
Third-party hosts loaded (9)
  • fonts.googleapis.com×3
  • ajax.googleapis.com×1
  • cdn.jsdelivr.net×1
  • cdnjs.cloudflare.com×1
  • chrome.google.com×1
  • foundersdaily.supercast.com×1
  • js.stripe.com×1
  • use.fontawesome.com×1
  • www.googletagmanager.com×1

Registration

Registrar
NameCheap, Inc.
Created
2019-03-11
Expires
2027-03-11 295 days left
Updated
2026-02-09
Name servers
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com

DNS records live

NS
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • google-site-verification=2bOAocbBipfH6GWrxavihw7lgNcuM64RAyJExmSRJQ4

Email authentication weak

SPF
not published
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAma8YDTkvI3XpoO0j6Jb/h6UIEvLSgghDjsctLQaEly2RoN8N6KxrotKEZA7AIqb+xrpvwqg7HM6TIuFOYZ…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvQX3tKOaPLxbvhentSO0zl+iJN3E+m6qWy8U8bHOywx4ANio4vyZJdyMPvEpBDH51NPmGg5++zRkSiAWie…
selectors probed

Certificate (current)

R12
from 2026-03-30 to 2026-06-28
Expires in 39 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
DENY
x-content-type-options
nosniff
cross-origin-opener-policy
same-origin

Linked from (1)