cofounder.co

.co crawl

First seen 2026-04-15 · Last seen 2026-05-09 · ok HTTP/1.1 200 361 ms crawled 2026-05-08

US · 64.239.109.1 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Cofounder lets you run an entire company with agents
Description
Run engineering, sales, marketing, design, finance, and ops.
Language
en
Canonical
https://cofounder.co

Open Graph

url
https://cofounder.co
title
Cofounder lets you run an entire company with agents
locale
en_US
site name
Cofounder
description
Run engineering, sales, marketing, design, finance, and ops.

Technology

CDN
Vercel
CMS
Next.js
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • www.facebook.com×1
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ns1.vercel-dns.com
  • ns2.vercel-dns.com
MX
  • 10 inbound-smtp.us-east-1.amazonaws.com

Email authentication strong

SPF
not published
DMARC
v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s
policy: reject (enforced) · sp=reject
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-02 to 2026-07-31
Expires in 72 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://cofounder.co/

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=63072000

Links to (5)

Linked from (2)