heirloomcarbon.com

.com crawl

First seen 2026-04-16 · Last seen 2026-05-11 · ok HTTP/1.1 200 4425 ms crawled 2026-05-11

US · 75.2.70.75 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Heirloom
Description
Heirloom is restoring balance to our atmosphere by removing 1 billion tons of carbon dioxide. We use natural processes to engineer the world's most cost-effective Direct Air Capture solution.
Language
en

Open Graph

title
Heirloom
description
Heirloom is restoring balance to our atmosphere by removing 1 billion tons of carbon dioxide. We use natural processes to engineer the world's most cost-effective Direct Air Capture solution.

Technology

CDN
Cloudflare

Third-party hosts loaded (3)

  • cdn.prod.website-files.com×58
  • cdn.jsdelivr.net×3
  • d3e54v103j8qbb.cloudfront.net×1

Social

Contact

Email

Registration

Registrar
GoDaddy.com, LLC
Created
2021-02-23
Expires
2028-02-23 643 days left
Updated
2023-02-27
Name servers
  • ns73.domaincontrol.com
  • ns74.domaincontrol.com

DNS records live

NS
  • ns73.domaincontrol.com
  • ns74.domaincontrol.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
  • BEC17986DD
  • v=verifydomain MS=5019056
Verified for
  • Atlassian
  • Google
  • Slack

Email authentication weak

SPF
v=spf1 include:dc-aa8e722993._spfm.heirloomcarbon.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-09 to 2026-08-07
Expires in 79 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.heirloomcarbon.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Links to (2)

Linked from (1)