castbox.fm

Observed 2026-06-13T08:18:03.474Z (4h ago). Every field below was attested with an Ed25519 signature at scan time.

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Ed25519 Receipt

Receipt ID
1ab62757-5cf5-4469-8ee2-f8d398eabb0c
Output Hash
266a721037e59a1956aaf4091cafcd8658fb6e3a391daf53bdebf71bead445b3
Signature
ed25519:87cd2f318519934be87fc26ddf15c699aae0e23dd45d02e171417c0b82a8e13fe2f818bf3e543e6a861ba02f3b208634b2e3a520e8ab50bc64613396dd716d0c
Public Key
ed25519:d3f6015a95abdad7e8166ad80938a5885500170bb75f8cdb425b8fd2772bec29
Parent
(genesis)
Plane
fast
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DNS Records

A 2

  • 104.20.29.143
  • 172.66.159.47

AAAA 2

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

MX 5

  • {"priority":1,"exchange":"aspmx.l.google.com"}
  • {"priority":10,"exchange":"alt3.aspmx.l.google.com"}
  • {"priority":10,"exchange":"alt4.aspmx.l.google.com"}
  • {"priority":5,"exchange":"alt1.aspmx.l.google.com"}
  • {"priority":5,"exchange":"alt2.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

  • {"mname":"charles.ns.cloudflare.com","rname":"dns.cloudflare.com","serial":2405337591,"refresh":10000,"retry":2400,"expire":604800,"minimum":1800}

TLS Certificates (2)

Common NameIssuerExpires
castbox.fm C=US, O=Let's Encrypt, CN=E8 Thu, 06 Aug 2026 06:43:50 +0000
E8 C=US, O=Internet Security Research Group, CN=ISRG Root X1 Fri, 12 Mar 2027 23:59:59 +0000

Subdomains (0)

None observed.