indexo.dev

core3d.io

.io crawl

First seen 2026-04-13 · Last seen 2026-05-06 · ok HTTP/1.1 200 1380 ms crawled 2026-05-06

US · 216.24.57.1 · AS397273 Render

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Core3D
Description
Modern 3D design tools for the internet.
Language
en

Technology

CDN
Cloudflare
CMS
Next.js
Analytics
  • Fathom

Third-party hosts loaded (1)

  • cdn.usefathom.com×1

Social

DNS records live

NS
  • ns-1263.awsdns-29.org
  • ns-1916.awsdns-47.co.uk
  • ns-361.awsdns-45.com
  • ns-845.awsdns-41.net
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
  • google-site-verification=jHSgcu9mr-mAhrGGjK6JgHVZ-EfRmPOge3Uu2rYnzmQ
  • openai-domain-verification=dv-9th9wdPhF3b8ocItydYARw36

Email authentication strong

SPF
v=spf1 a mx include:_spf.google.com include:amazonses.com ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; ruf=mailto:engineering+ruf@core3d.io; rua=mailto:engineering+rua@core3d.io
policy: reject (enforced)
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4a6/Yai/RVs1CR1ekVi6Bk95lamOuzZreFiz8FPZLYfSqS5eP36KMpx8zeNn4ZH3W/JdwmZx5dxFFf…
selectors probed

Certificate (current)

WE1
from 2026-03-21 to 2026-06-19
Expires in 31 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.core3d.io/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (2)

Linked from (1)