danielgreenfield.org

.org crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 808 ms crawled 2026-05-18

US · 3.231.35.217 · AS14618 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title

Daniel Greenfield | Substack

Description

Biting commentary and hard-hitting investigative journalism for an upside down world. Click to read Daniel Greenfield, a Substack publication with thousands of subscribers.

Language

Canonical

https://www.danielgreenfield.org/

Feeds

Daniel Greenfield RSS

Open Graph

url: https://www.danielgreenfield.org/
title: Daniel Greenfield | Substack
description: Biting commentary and hard-hitting investigative journalism for an upside down world. Click to read Daniel Greenfield, 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×258
fonts.gstatic.com×1
js.sentry-cdn.com×1
static.cloudflareinsights.com×1

Social

Registration

Registrar

NameCheap, Inc.

Created

2015-12-11

Expires

2026-12-11 204 days left

Updated

2025-11-16

Name servers

dns1.registrar-servers.com
dns2.registrar-servers.com

DNS records live

NS

dns1.registrar-servers.com
dns2.registrar-servers.com

MX

10 mx1.privateemail.com
10 mx2.privateemail.com

Email authentication weak

SPF

v=spf1 include:zcsend.net ~all

softfail (~all)

DMARC

not published

DKIM

default: default._domainkey IN TXT (v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzWO1oKPedTJ1cebT3HrLhXYPld3NYKSxkRDo/mykItv/1yeGLkdP0…

selectors probed

Certificate (current)

from 2026-05-05 to 2026-08-03

Expires in 75 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.danielgreenfield.org/

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