indexo.dev

card3.ai

.ai crawl

First seen 2026-04-15 · Last seen 2026-05-17 · ok HTTP/1.1 200 630 ms crawled 2026-05-09

US · 216.198.79.1 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Card3.ai - AI-Powered NFC Digital Business Card & Personal AI Agent
Description
Unlock your AI-powered networking partner with Card3. Start with a smart NFC digital business card, connect faster, and let your personal AI agent transform every interaction into real business opportunities.
Language
en
Canonical
https://card3.ai
Translations
  • en
  • es
  • fr
  • ja
  • zh

Open Graph

url
https://card3.ai
title
Card3.ai - AI-Powered NFC Digital Business Card & Personal AI Agent
locale
en_US
site name
Card3.ai
description
Unlock your AI-powered networking partner with Card3. Start with a smart NFC digital business card, connect faster, and let your personal AI agent transform every interaction into real business opportunities.

Technology

CDN
Vercel
CMS
Next.js
Analytics
  • Google Tag Manager
Social widgets
  • YouTube Embed

Third-party hosts loaded (4)

  • d3g63hxrbii3o0.cloudfront.net×6
  • analytics.ahrefs.com×1
  • www.googletagmanager.com×1
  • www.youtube.com×1

Social

Registration

Registrar
NameCheap, Inc.
Created
2023-04-18
Expires
2027-04-18 333 days left
Updated
2024-08-11
Name servers
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com

DNS records live

NS
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com
MX
  • 1 mx1.larksuite.com
  • 10 mx3.larksuite.com
  • 5 mx2.larksuite.com
TXT
  • brevo-code:4508d362f8b9018a4d577dbd6bc6f530
  • verification-code-site-App_lark=2rsKTjNIxDt3EA9zYtZU

Email authentication partial

SPF
v=spf1 include:amazonses.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
policy: none (monitoring only)
DKIM
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

R13
from 2026-03-11 to 2026-06-09
Expires in 20 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://card3.ai/

present
  • strict-transport-security
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
strict-transport-security
max-age=63072000

Links to (1)

Linked from (2)