castbox.fm

Observed 2026-07-13T00:13:00.041899180+00:00 (10h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Secured byGoogle Trust Services

Also usesGoogle Search Console

IPv6 · 1 subdomain · media_entertainment

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

INFRASTRUCTURE MAPwhat castbox.fm actually stands on - every host below is a signed observation

castbox.fm

A / AAAA

172.66.159.47104.20.29.1432606:4700:10::6814:1d8f2606:4700:10::ac42:9f2f

Cloudflareserves the site

charles.ns.cloudflare.comsara.ns.cloudflare.com

cloudflare.comanswers 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

castbox.fm

Google Trust Servicesissued its certificate

DNS Records

A 2

172.66.159.47
104.20.29.143

AAAA 2

2606:4700:10::6814:1d8f
2606:4700:10::ac42:9f2f

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 8

anthropic-domain-verification-dn0srx=KLYpjzbz5CrSJmIdQkyIsv8t6
google-site-verification=3mFzIfOXnoEMgL-JMulOFtrhLfDKswAipdTnIzUr1UE
google-site-verification=5Vz4UGhank_MS0JCLzeIGqXwqYodxDcXfzHG2URnlRc
google-site-verification=AUfrk7KKqihYAX7cD5TkHHSP2aJp2Y3nOU0TMVxqYKQ
google-site-verification=LQsnY64pPx4WMLgHyRgpi-qOH38IAfq6gsY2xUuJQ4s
google-site-verification=qRzbWr-3P6DqfeqQVl5vDuzJgeHV6zHaCnKhxEAUe7E
v=spf1 include:spf.zoho.com include:transmail.net include:servers.mcsv.net include:mail.zendesk.com include:amazonses.com include:_spf.google.com ~all
v=DMARC1;p=reject;rua=mailto:yupeng.zhang@castbox.fm;ruf=mailto:yupeng.zhang@castbox.fm

NS 2

charles.ns.cloudflare.com
sara.ns.cloudflare.com

SOA 1

charles.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`castbox.fm`	C=US, O=Google Trust Services, CN=WE1	Wed, 23 Sep 2026 07:35:54 +0000
`WE1`	C=US, O=Google Trust Services LLC, CN=GTS Root R4	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R4`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +0000

Subdomains (1)

test-reports.castbox.fm

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 castbox.fm. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 04cc07a9-c3a0-43f9-a721-d1c0def65ad8
Output Hash: 36d70ad216b9b931d807021130bb3b0949b125b51dfef7afd9b9e04eb5dd90ad
Signature: ed25519:b3531a8318361f00634ce4132f97ec1510a2b7c540983aeabf9267a65554d0346c149b6fd59af3c6650b67e9da9607078311157726a253f173157edaa8c94f0c
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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