indexo.dev

c3metrics.com

.com crawl

First seen 2026-04-26 · Last seen 2026-05-16 · ok HTTP/1.1 200 765 ms crawled 2026-05-19

US · 172.67.130.21 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
C3 Metrics — Independent Omni-Channel Marketing Attribution
Description
Independent omni-channel attribution with zero commercial ties to any channel measured. Verified MTA and MMM across 20+ categories. AI-powered, cookie-less.
Language
en
Canonical
https://www.c3metrics.com/

Open Graph

url
https://www.c3metrics.com/
title
C3 Metrics — Independent Omni-Channel Marketing Attribution
site name
C3 Metrics
description
C3 Metrics delivers independent, omni-channel MTA and MMM for large advertisers — zero commercial ties to the 20+ channel categories we measure. Cookie-less, AI-powered, and accountable only to clients.

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×2
  • www.googletagmanager.com×1

Social

Contact

Phone
Address
1 NH Avenue, Suite 125, 03801, Portsmouth, NH, US

Registration

Registrar
GoDaddy.com, LLC
Created
2008-06-09
Expires
2026-06-09 19 days left
Updated
2026-05-11
Name servers
  • rayden.ns.cloudflare.com
  • tess.ns.cloudflare.com

DNS records live

NS
  • rayden.ns.cloudflare.com
  • tess.ns.cloudflare.com
MX
  • 0 c3metrics-com.mail.protection.outlook.com
Verified for
  • Google
  • Microsoft

Email authentication strong

SPF
v=spf1 include:squarespace-mail.com include:spf.protection.outlook.com include:helpscoutemail.com include:one.zoho.com ip4:192.73.242.231 ip4:192.65.229.34 ip4:192.65.229.40 -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:sysadmin@c3metrics.com; ruf=mailto:sysadmin@c3metrics.com; pct=100
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxkdbN3Cat6I49HkJ+Yq5m6+b2MBdo61o++SwMqq3eiVFjynCmkJ5SkdspKiG8eFBxyNZfsUn6XXEK1lwpj6…
selectors probed

Certificate (current)

E7
from 2026-05-11 to 2026-08-09
Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://c3metrics.com/

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 (1)

Linked from (1)