indexo.dev

substratum.org

.org crawl

First seen 2026-04-20 · Last seen 2026-05-11 · ok HTTP/1.1 200 2111 ms crawled 2026-05-14

US · 35.209.30.27 · AS15169 Google LLC

Reputation 89/100 weak security headers dmarc monitor-only

sector other type landing page

HTML metadata

Title
[ substratum ] | An artistic inquiry into printmaking substrates + health impacts
Language
en-US
Canonical
https://substratum.org/
Feeds

Open Graph

url
https://www.substratum.org
title
[ substratum ]
description
An artistic inquiry into printmaking substrates + health impacts. A project of Zea Mays Printmaking + Artists in Context.

Technology

Server
nginx
CMS
WordPress
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.gstatic.com×2
  • ajax.googleapis.com×1
  • fonts.googleapis.com×1

Registration

Registrar
Tucows Domains Inc.
Created
2012-11-30
Expires
2026-11-30 193 days left
Updated
2025-11-09
Name servers
  • ns1.siteground.net
  • ns2.siteground.net

DNS records live

NS
  • ns1.siteground.net
  • ns2.siteground.net
MX
  • 10 mx10.mailspamprotection.com
  • 20 mx20.mailspamprotection.com
  • 30 mx30.mailspamprotection.com

Email authentication partial

SPF
v=spf1 +a +mx +ip4:35.209.111.81 include:substratum.org.spf.auto.dnssmarthost.net ~all
softfail (~all)
DMARC
v=DMARC1; p=none; aspf=r; adkim=r;
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDEeJnYqK4fgGud1EYISHIIF6IzsIdfOaPT8e6zP3VOKbFIuvjEobfb1nTK5jlDVzR1zGSWthhm+v/TXJAxzM…
selectors probed

Certificate (current)

R12
from 2026-03-22 to 2026-06-20
Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://substratum.org/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (2)

Linked from (1)