indexo.dev

01founders.co

.co crawl

First seen 2026-04-14 · Last seen 2026-05-05 · ok HTTP/1.1 200 582 ms crawled 2026-05-07

US · 216.198.79.1 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

sector education type homepage

HTML metadata

Title
01 Founders London | 100% Free Peer-to-Peer Coding School
Description
01 Founders takes people like you and unlocks their curiosity to bring creativity into digital and coding. Become a full-stack developer in two years through innovative peer-to-peer learning. No tuition, no teachers, no lectures - just real-world projects and collaboration.
Language
en

Open Graph

url
https://01founders.london
title
01 Founders London | 100% Free Peer-to-Peer Coding School
locale
en_GB
site name
01 Founders London
description
01 Founders takes people like you and unlocks their curiosity to bring creativity into digital and coding. Become a full-stack developer in two years.

Technology

CDN
Vercel
CMS
Next.js
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ns71.domaincontrol.com
  • ns72.domaincontrol.com
MX
  • 10 01founders-co.mail.protection.outlook.com
TXT
  • google-gws-recovery-domain-verification=60778938
  • 8572a95f604e2216a982ee3cd10f62a3
  • MS=ms58851448

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxNuUEE2s988ldQnYOc1Mrbe+am6LWqvA9kJNHhysYO9OB29FFcpfnGHOWYKyq53Xo4M/p03DxuJ7oM…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAunxi71E/gxhawXlcq8ZqG0QFhLAFlp76jXveG9LHpeDqgnlzHNc+cnng4+V1E8eizzQQXJn1kwXqrw…
selectors probed

Certificate (current)

R13
from 2026-03-21 to 2026-06-19
Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://01founders.co/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • CSP allows unsafe inline scripts/styles
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
DENY
permissions-policy
camera=(), microphone=(), geolocation=(), browsing-topics=()
x-content-type-options
nosniff
content-security-policy
default-src 'self'; script-src 'self' 'unsafe-eval' 'unsafe-inline' https://api.reciteme.com; style-src 'self' 'unsafe-inline' https://api.reciteme.com; img-src 'self' blob: data: https://api.reciteme.com; font-src 'self'; connect-src 'self' https://api.reciteme.com; frame-ancestors 'none';
strict-transport-security
max-age=63072000; includeSubDomains; preload

Links to (4)

Linked from (1)