secondthoughts.ai

.ai crawl

First seen 2026-05-02 · Last seen 2026-05-15 · ok HTTP/1.1 200 373 ms crawled 2026-05-09

US · 172.64.151.232 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

sector tech type blog

HTML metadata

Title

Second Thoughts | Steve Newman | Substack

Description

Accessible analysis of the big issues in AI. Click to read Second Thoughts, a Substack publication with thousands of subscribers.

Language

Canonical

https://secondthoughts.ai/

Feeds

Second Thoughts RSS

Open Graph

url: https://secondthoughts.ai/
title: Second Thoughts | Steve Newman | Substack
description: Accessible analysis of the big issues in AI. Click to read Second Thoughts, 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×254
fonts.gstatic.com×1
js.sentry-cdn.com×1
static.cloudflareinsights.com×1

Registration

Registrar

NameCheap, Inc.

Created

2025-05-09

Expires

2027-05-09 355 days left

Updated

2025-05-14

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

CNAME

target.substack-custom-domains.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)

WE1

from 2026-04-28 to 2026-07-27

Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://secondthoughts.ai/

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