indexo.dev

criticalmasssystems.com

.com crawl

First seen 2026-05-03 · Last seen 2026-05-15 · ok HTTP/1.1 200 2021 ms crawled 2026-05-10

US · 35.244.153.44 · AS396982 Google LLC

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Critical Mass Systems – Made in the U.S.A.
Description
MASTERSWORKS OF THERMODYNAMICS
Language
en-US
Canonical
https://criticalmasssystems.com/
Feeds

Open Graph

url
https://criticalmasssystems.com/
locale
en_US
site name
Critical Mass Systems
description
MASTERSWORKS OF THERMODYNAMICS

Technology

Server
nginx
CMS
WordPress
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • www.google.com×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Registrar
PDR Ltd. d/b/a PublicDomainRegistry.com
Created
2003-07-25
Expires
2026-07-25 66 days left
Updated
2023-08-18
Name servers
  • ns1.siteground.net
  • ns2.siteground.net

DNS records live

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

Email authentication partial

SPF
v=spf1 +a +mx +ip4:35.215.89.7 include:criticalmasssystems.com.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=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDF8BD3T+aazdtYtebgUe+8CY1RS1u0J7do51A0sSa7Yx0MQjNvtehjBCyn2CZwBYmnoeYl1vYbq+X+6ELw6r…
selectors probed

Certificate (current)

R13
from 2026-04-04 to 2026-07-03
Expires in 44 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://criticalmasssystems.com/

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 (3)

Linked from (2)