proofbox.co

.co crawl

First seen 2026-04-30 · Last seen 2026-05-08 · ok HTTP/1.1 200 3931 ms crawled 2026-05-08

US · 108.156.22.116 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

sector tech type app saas

HTML metadata

Title
Defensive Publishing Platform for Prior Art | Proofbox
Description
Publish inventions to establish prior art. Proofbox uses trusted timestamps and paywall control to support freedom to operate and minimize dissemination.
Language
en
Canonical
https://www.proofbox.co/en
Translations
  • de
  • en
  • es
  • fr
Feeds

Open Graph

url
https://www.proofbox.co/en
title
Defensive Publishing to Establish Prior Art - Proofbox
locale
en_US
site name
Proofbox
description
Turn ideas into verifiable prior art. Proofbox combines trusted timestamps and paywall control for limited dissemination while supporting freedom to operate.

Technology

CDN
Amazon CloudFront
CMS
Next.js
Cookie consent
  • Cookiebot

Third-party hosts loaded (1)

  • consent.cookiebot.com×1

Social

DNS records live

NS
  • ns-1179.awsdns-19.org
  • ns-1743.awsdns-25.co.uk
  • ns-197.awsdns-24.com
  • ns-922.awsdns-51.net
MX
  • 10 inbound-smtp.eu-west-1.amazonaws.com
TXT
Show 4 TXT records
  • apple-domain-verification=tceFuj5t2sd0rxvC
  • brevo-code:f4ea97f2d8fbbb6afc2e5c11c1964ace
  • google-site-verification=KmielTr0_CxVcjUon5P6ioqe-rf1hx32pUQroNkwJp8
  • hubspot-developer-verification=ODU3MTIwYTMtODEzYy00OGFmLTg3YmEtNWM0NWEwM2M2ODhk

Email authentication weak

SPF
v=spf1 include:amazonses.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Amazon RSA 2048 M04
from 2025-06-12 to 2026-07-12
Expires in 54 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.proofbox.co/en

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (8)

Linked from (1)