indexo.dev

tlonletter.it

.it crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 1359 ms crawled 2026-05-30

US · 3.231.35.217 · AS14618 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Tlonletter | Substack
Description
Filosofia, cultura e attualità. Ogni settimana, con Andrea Colamedici e Maura Gancitano. Click to read Tlonletter, a Substack publication with tens of thousands of subscribers.
Language
it
Canonical
https://www.tlonletter.it/
Feeds

Open Graph

url
https://www.tlonletter.it/
title
Tlonletter | Substack
description
Filosofia, cultura e attualità. Ogni settimana, con Andrea Colamedici e Maura Gancitano. Click to read Tlonletter, a Substack publication with tens of thousands of subscribers.

Technology

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

Third-party hosts loaded (5)

  • substackcdn.com×269
  • images.unsplash.com×5
  • fonts.gstatic.com×1
  • js.sentry-cdn.com×1
  • static.cloudflareinsights.com×1

DNS records live

NS
  • dns.technorail.com
  • dns2.technorail.com
  • dns3.arubadns.net
  • dns4.arubadns.cz

Email authentication no MX

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

Certificate (current)

E7
from 2026-04-11 to 2026-07-10
Expires in 40 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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 (2)

Linked from (1)