indexo.dev

designdisciplin.com

.com crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 2775 ms crawled 2026-05-30

US · 3.231.35.217 · AS14618 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Design Discipline | Baytaş | Substack
Description
independent design research. Click to read Design Discipline, by Baytaş, a Substack publication with thousands of subscribers.
Language
en
Canonical
https://www.designdisciplin.com/
Feeds

Open Graph

url
https://www.designdisciplin.com/
title
Design Discipline | Baytaş | Substack
description
independent design research. Click to read Design Discipline, by Baytaş, 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×251
  • fonts.gstatic.com×1
  • js.sentry-cdn.com×1
  • static.cloudflareinsights.com×1

Registration

Registrar
Tucows Domains Inc.
Created
2021-01-12
Expires
2027-01-12 225 days left
Updated
2026-04-23
Name servers
  • ns1.vercel-dns.com
  • ns2.vercel-dns.com

DNS records live

NS
  • ns1.vercel-dns.com
  • ns2.vercel-dns.com
MX
  • 1 smtp.google.com
Verified for
  • Google

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw2YJw19aVIiFayUe7rJAQdz/VYlMc/KmxxryBjP6AiCB49IhVrndE5CZaujz2pEGl8hXovQf84/ZG6vR…
selectors probed

Certificate (current)

E8
from 2026-04-03 to 2026-07-02
Expires in 31 days

Full certificate history on crt.sh ↗

HTTP security headers

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

Links to (2)

Linked from (1)