door43.org

Observed Jul 27, 2026, 18:09 UTC (4d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Email byGoogle Workspace

Secured byAmazon

Also usesGoogle Search Console

tranco

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat door43.org actually stands on - every host below is a signed observation

door43.org

A / AAAA

3.170.42.373.170.42.273.170.42.303.170.42.105

unattributedserves the site

ns-1333.awsdns-38.orgns-1820.awsdns-35.co.ukns-293.awsdns-36.comns-779.awsdns-33.net

awsdns-38.org + awsdns-35.co.uk + moreanswers its DNS

aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

*.door43.org

Amazonissued its certificate

DNS Records

A 4

3.170.42.37
3.170.42.27
3.170.42.30
3.170.42.105

MX 5

1aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 4

google-site-verification=4LD_uFUgdOTTOJu3qhuadsZqctjQEorLsxT_eSP3Kzw
google-site-verification=kK5ucEUf3V6uTnl9r1orQg054tMlAdgk_15fLYvXU2M
v=spf1 include:_u.door43.org._spf.dmarclb.com ~all
v=DMARC1; p=quarantine; rua=mailto:61aff072a45da@ag.dmarcly.com; ruf=mailto:61aff072a45da@fo.dmarcly.com; sp=none; pct=50; fo=1;

NS 4

ns-1333.awsdns-38.org
ns-1820.awsdns-35.co.uk
ns-293.awsdns-36.com
ns-779.awsdns-33.net

SOA 1

ns-1333.awsdns-38.org awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`*.door43.org`	C=US, O=Amazon, CN=Amazon RSA 2048 M04	Wed, 27 Jan 2027 23:59:59 +0000
`Amazon RSA 2048 M04`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:26:35 +0000
`Amazon Root CA 1`	C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2	Thu, 31 Dec 2037 01:00:00 +0000

Subdomains (0)

None observed.

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for door43.org. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/door43.org">
  <img src="https://domaindrift.io/badge/door43.org.svg"
       width="300" height="64" alt="DomainDrift signed observations for door43.org">
</a>

Ed25519 Receipt

Receipt ID: rcpt_ee984c617f052fa9
Output Hash: 36279216ff52a86d4c51604dcf12642ac327a0f203a67568a1d37dd938ac7578
Signature: ed25519:1c9ce5af1bd2b37d2a074dba657e08bd29ca3a386dfbaef4071248bdfbb5f263c0ab1e420c111b55aa29499e007cbf0a8c5a333b1b81b7ea43f8327f4bd1a40c
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/door43.org