greycortex.com

.com crawl

First seen 2026-05-24 · Last seen 2026-05-30 · ok HTTP/1.1 200 4540 ms crawled 2026-05-29

US · 104.21.8.14 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Security for IT and OT Networks | GREYCORTEX
Description
Deep network visibility, advanced threat detection, automated incident response. Trusted by various sectors like government, energy, & more.
Language
en
Canonical
https://www.greycortex.com/
Translations
  • cs
  • en

Open Graph

title
Security for IT and OT Networks | GREYCORTEX
image:url
https://greycortex.com/sites/default/files/perm/image/greycortex-homepage-meta-en_0.png
description
GREYCORTEX Mendel: Deep network visibility, advanced threat detection, automated incident response. Trusted by various sectors like government, energy, & more.

Technology

CDN
Cloudflare
CMS
Drupal
Analytics
  • Google Tag Manager
Social widgets
  • Vimeo Embed

Third-party hosts loaded (4)

  • challenges.cloudflare.com×1
  • player.vimeo.com×1
  • unpkg.com×1
  • www.googletagmanager.com×1

Social

Contact

Phone

Registration

Registrar
WEDOS Internet, a.s.
Created
2013-10-12
Expires
2026-10-12 133 days left
Updated
2025-09-29
Name servers
  • algin.ns.cloudflare.com
  • daniella.ns.cloudflare.com

DNS records live

NS
  • algin.ns.cloudflare.com
  • daniella.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
TXT
  • sentinelone-domain-verification=zzTpGb8Ffgg0nPkcss0fVIeQBdErE4cNskzM0A5RbPc
Verified for
  • Atlassian
  • Google
  • Microsoft 365

Email authentication partial

SPF
v=spf1 mx a include:_spf.google.com -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:5fb5b8385df8.a@dmarcinput.com,mailto:dmarc-reports@greycortex.com; ruf=mailto:5fb5b8385df8.f@dmarcinput.com; fo=1
policy: none (monitoring only)
DKIM
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxKa2PZU5ECltRiwYiQRzJ6l+0xnGXW871yVxi3B1cW9ZMHVFA3DMRsI/TEnhxJwHC/K6oYMFydmwTEwGZ4…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC1i+3V6zL5JmOaSMCR/6j7WfSKje8bp2MefLFuLFb4mYiYkyoFs3AGe+DY3vmAJyvMobjgURGLD/rKgXaHXGhoMf…
selectors probed

Certificate (current)

WE1
from 2026-05-22 to 2026-08-20
Expires in 81 days

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.greycortex.com/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • weak frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN, SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Links to (2)

Linked from (3)