indexo.dev

c3.co

.co crawl

First seen 2026-06-02 · Last seen 2026-06-04 · ok HTTP/1.1 200 514 ms crawled 2026-06-02

BE · 185.175.196.2 · AS34762 Combell NV

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
C3 Creative Code and Content | C3
Description
C3 Creative Code and Content: Die Go-to Content-Marketing-Agentur für zeitgemäßes Marketing.
Language
de-DE
Generator
WordPress 6.9.4
Canonical
https://www.c3.co/
Translations
  • de
  • en
Feeds

Open Graph

url
https://www.c3.co/
title
C3 Creative Code and Content | C3
locale
de_DE
site name
C3
description
C3 Creative Code and Content: Die Go-to Content-Marketing-Agentur für zeitgemäßes Marketing.

Technology

Server
nginx
CMS
WordPress 6.9.4

Third-party hosts loaded (1)

  • gmpg.org×1

Social

DNS records live

NS
  • ns55.domaincontrol.com
  • ns56.domaincontrol.com
MX
  • 10 mx01.hornetsecurity.com
  • 20 mx02.hornetsecurity.com
  • 30 mx03.hornetsecurity.com
  • 40 mx04.hornetsecurity.com
TXT
Show 7 TXT records
  • _telesec-domain-validation=282242_2020-07-08_NyOmsTvpzbz0IJnbc4zgegf3CCxLleJ3p52HJZFfnS5wRndpTK
  • gIB8PIK/uAmR/wbsAz26ivOIxXNX5qGC0Mw9rf8p5Xr2Q8EXl5vNp2J6h6YHFIBQyb4GG3O5ukFW6rY9CA4N1w==
  • langdock-verify=AYX_QOhy87tFR_OFIXKWyjEgCBs0FIdXTU_-2Yaxin0
  • jamf-site-verification=hjc3kPXzhPxTXCcfmZymDQ
  • pardot921853=701f29fb66022793efce465d07b2e1f00cfc6ba01a8d4df6b3a386cf8316e550
  • have-i-been-pwned-verification=5637e254b61146ed95b65da4f24e84b2
  • atlassian-sending-domain-verification=f09270cd-f7ed-4e31-996b-b3a86b99f01f
Verified for
  • 1Password
  • Adobe
  • Apple
  • Atlassian
  • Google
  • Microsoft 365
  • Miro

Email authentication weak

SPF
v=spf1 a mx include:spf.hornetsecurity.com include:mailgun.org include:amazonses.com include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-11 to 2026-08-09
Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.c3.co/

present
  • strict-transport-security
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=63072000; includeSubDomains; preload

Links to (7)

Linked from (2)