indexo.dev

twenty-eight.co

.co crawl

First seen 2026-04-24 · Last seen 2026-05-18 · ok HTTP/1.1 200 1688 ms crawled 2026-05-18

US · 198.202.211.1 · AS209242 Cloudflare London, LLC

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Twenty-eight.co
Description
Branding strategy for Growth. Strategy & Branding to deliver fast business results. Based in Paris.

Open Graph

title
Twenty-eight.co
description
Branding strategy for Growth. Strategy & Branding to deliver fast business results. Based in Paris.

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • cdn.prod.website-files.com×44
  • www.googletagmanager.com×2
  • d3e54v103j8qbb.cloudfront.net×1

Contact

Email

DNS records live

NS
  • ns1017.ui-dns.org
  • ns1069.ui-dns.biz
  • ns1111.ui-dns.com
  • ns1120.ui-dns.de
MX
  • 1 aspmx.l.google.com
  • 15 pswdin3d2gfjrpon6px7fldx6w6vp3hnsj4lnzp6mcaaacbsy7ha.mx-verification.google.com
  • 5 alt1.aspmx.l.google.com
TXT
  • google-site-verification=fKw0N2PRipi9zfPv8qx39b1X7O2SeLbl_mCAAAgyx84

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-15 to 2026-07-14
Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.twenty-eight.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=31536000

Links to (1)

Linked from (2)