openc3.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-07 · ok HTTP/1.1 200 1120 ms crawled 2026-05-07

US · 198.202.211.1 · AS209242 Cloudflare London, LLC

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
OpenC3
Description
OpenC3 - Open Source Command Control and Communication. COSMOS brings it all together with a common user interface for all of your hardware.
Language
en

Open Graph

title
OpenC3
description
OpenC3 - Open Source Command Control and Communication. COSMOS brings it all together with a common user interface for all of your hardware.

Technology

CDN
Cloudflare
Fonts
  • Google Fonts
Social widgets
  • YouTube Embed
Third-party hosts loaded (7)
  • cdn.prod.website-files.com×46
  • ajax.googleapis.com×1
  • d3e54v103j8qbb.cloudfront.net×1
  • fonts.googleapis.com×1
  • fonts.gstatic.com×1
  • px.ads.linkedin.com×1
  • www.youtube.com×1

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2022-03-09
Expires
2027-03-09 293 days left
Updated
2026-03-10
Name servers
  • rodney.ns.cloudflare.com
  • sonia.ns.cloudflare.com

DNS records live

NS
  • rodney.ns.cloudflare.com
  • sonia.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
Show 4 TXT records
  • apple-domain-verification=zZE6qTWGuRNybp4L
  • google-site-verification=k4nIPoy2vqlL0MYaC9tOl_Yeas_8_zs_IVm5YtWPbjs
  • proxy-ssl.webflow.com
  • MS=ms87151717

Email authentication strong

SPF
v=spf1 include:_spf.google.com include:emsd1.com ~all
softfail (~all)
DMARC
v=DMARC1;p=none;rua=mailto:store@openc3.com
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-03 to 2026-08-01
Expires in 74 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://openc3.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Links to (3)

Linked from (1)