thedailybriefing.io

.io crawl

First seen 2026-04-11 · Last seen 2026-05-20 · ok HTTP/1.1 200 802 ms crawled 2026-05-19

US · 172.64.151.232 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title

the Daily Briefing | Substack

Description

Every morning, the leading football journalists round up the most important news, providing you with exclusive insight, inside stories and everything you need to know for the day ahead. Click to read the Daily Briefing, a Substack publication with hundreds of thousands of subscribers.

Language

Canonical

https://thedailybriefing.io/

Feeds

the Daily Briefing RSS

Open Graph

url: https://thedailybriefing.io/
title: the Daily Briefing | Substack
description: Every morning, the leading football journalists round up the most important news, providing you with exclusive insight, inside stories and everything you need to know for the day ahead. Click to read the Daily Briefing, a Substack publication with hundreds of thousands of subscribers.

Technology

CDN: Cloudflare
CMS: Gatsby

Analytics

Cloudflare Insights

Fonts

Google Fonts

Third-party hosts loaded (4)

substackcdn.com×264
fonts.gstatic.com×1
js.sentry-cdn.com×1
static.cloudflareinsights.com×1

DNS records live

NS

john.ns.cloudflare.com
mia.ns.cloudflare.com

Verified for

Google

Email authentication no MX

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-04-20 to 2026-07-19

Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://thedailybriefing.io/

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