aaronrenn.com

.com crawl

First seen 2026-04-12 · Last seen 2026-05-10 · ok HTTP/1.1 200 1226 ms crawled 2026-05-06

US · 3.231.35.217 · AS14618 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title

Aaron Renn | Substack

Description

Compelling insights on society, Christianity, family, cities, politics and economics. Click to read Aaron Renn, by Aaron M. Renn, a Substack publication with tens of thousands of subscribers.

Language

Canonical

https://www.aaronrenn.com/

Feeds

Aaron Renn RSS

Open Graph

url: https://www.aaronrenn.com/
title: Aaron Renn | Substack
description: Compelling insights on society, Christianity, family, cities, politics and economics. Click to read Aaron Renn, by Aaron M. Renn, a Substack publication with tens of thousands of subscribers.

Technology

CDN: Cloudflare
CMS: Gatsby

Analytics

Cloudflare Insights

Fonts

Google Fonts

Third-party hosts loaded (4)

substackcdn.com×247
fonts.gstatic.com×1
js.sentry-cdn.com×1
static.cloudflareinsights.com×1

Social

Registration

Registrar

pair Networks, Inc. d/b/a pair Domains

Created

2009-10-09

Expires

2026-10-09 143 days left

Updated

2025-09-09

Name servers

ns3.pairnic.com
ns4.pairnic.com

DNS records live

NS

ns3.pairnic.com
ns4.pairnic.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=HfK8Iuqh6l3bqAlTptPyjGbLHievFhXxz4UQuFi6j0E

Email authentication partial

SPF

not published

DMARC

not published

DKIM

google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNDXrbOGNsM1HwRAw654LTRA2BQZvgyvrUfszavfE8mD4tpvEcFQCaYDYpWBqL3Ef1BFb6+cxOEIxoKtVov2…

selectors probed

Certificate (current)

from 2026-03-18 to 2026-06-16

Expires in 29 days

Full certificate history on crt.sh ↗

HTTP security headers

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