indexo.dev

davidfeldmanshow.com

.com crawl

First seen 2026-05-11 · Last seen 2026-05-17 · ok HTTP/1.1 200 15258 ms crawled 2026-05-17

US · 3.231.35.217 · AS14618 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
David Feldman Show | Substack
Description
Curated highlights from the David Feldman Show. Click to read David Feldman Show, a Substack publication with thousands of subscribers.
Language
en
Canonical
https://www.davidfeldmanshow.com/
Feeds

Open Graph

url
https://www.davidfeldmanshow.com/
title
David Feldman Show | Substack
description
Curated highlights from the David Feldman Show. Click to read David Feldman Show, a Substack publication with thousands of subscribers.

Technology

CDN
Cloudflare
CMS
Gatsby
Analytics
  • Cloudflare Insights
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • substackcdn.com×255
  • fonts.gstatic.com×1
  • js.sentry-cdn.com×1
  • static.cloudflareinsights.com×1

Social

Registration

Registrar
NameCheap, Inc.
Created
2011-05-03
Expires
2027-05-03 347 days left
Updated
2026-05-09
Name servers
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com

DNS records live

NS
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com
MX
  • 10 eforward1.registrar-servers.com
  • 10 eforward2.registrar-servers.com
  • 10 eforward3.registrar-servers.com
  • 15 eforward4.registrar-servers.com
  • 20 eforward5.registrar-servers.com

Email authentication weak

SPF
v=spf1 include:spf.efwd.registrar-servers.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-05-09 to 2026-08-07
Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.davidfeldmanshow.com/

present
  • strict-transport-security
  • content-security-policy
findings
  • CSP uses wildcard sources
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
frame-ancestors 'self' https://*.substack.com https://substack.com
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (4)

Linked from (1)