indexo.dev

xcheck.co

.co crawl

First seen 2026-04-26 · Last seen 2026-05-16 · ok HTTP/1.1 200 335 ms crawled 2026-05-19

US · 104.20.47.193 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
xCheck — Marketing Automation for Airlines
Description
Compliant, automated, effective ad-tech for airlines. Drive demand through an inventory first strategy.
Language
en

Technology

CDN
Cloudflare

Third-party hosts loaded (1)

  • cdn.tailwindcss.com×1

DNS records live

NS
  • desi.ns.cloudflare.com
  • nitin.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

Email authentication weak

SPF
not published
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCWHXHaucobbz+SCLOAnjDvhCgBoppsnmXWffDGCosr+ye6XDc6aS9GWj/bFRBNRbHCP55AwhSxBDjqD5WQ1/…
selectors probed

Certificate (current)

WE1
from 2026-04-21 to 2026-07-20
Expires in 61 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://xcheck.co/

present
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff

Links to (2)

Linked from (1)