DOMAINS CHANGES SERVICES CERTS API

substack.com

Observed 2026-06-13T08:05:50.994Z (3h ago). Every field below was attested with an Ed25519 signature at scan time.

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Ed25519 Receipt

Receipt ID
74d97627-8d45-4259-8fd2-2f50aa5d2f95
Output Hash
06db9f477ae11c12dfc6426afec998071cae2432caff67ee39f60e4bac7ff8e5
Signature
ed25519:1571e21b9c76d15c6cc2d756679818c355f7f971e74bca059858bd96b241547e5e55e50207ac62c66150fe6cb475c6b2033a5f435b7af145c248a43c58dbf105
Public Key
ed25519:d3f6015a95abdad7e8166ad80938a5885500170bb75f8cdb425b8fd2772bec29
Parent
(genesis)
Plane
fast
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DNS Records

A 2

  • 104.18.37.200
  • 172.64.150.56

AAAA 2

  • 2606:4700:4400::ac40:9638
  • 2606:4700:440b::6812:25c8

MX 2

  • {"priority":10,"exchange":"mxa.mailgun.org"}
  • {"priority":10,"exchange":"mxb.mailgun.org"}

TXT 10

  • facebook-domain-verification=8vbxp2ntmkudc6is3h5r840c9fwo7f
  • google-site-verification=4V_X38Yf0J4VJcWFwtG38bOS1nkOWeIWJhticlMgNQE
  • google-site-verification=DAkdykID6WqQM6tT7IfSu9_uB7-qIdB039MA_C3T3eA
  • google-site-verification=FfNIQIxsRHpj3Y7E_d3N6GFqGgWDZ-sfYojqCilwtqE
  • google-site-verification=SXEl7_p4SBszcanSWwVc_3-RFky80c0-94janbeeWI4
  • google-site-verification=vQEKLOUDfKNOQAv9W3EUMiRD6e5ibAEPhc2yCzP7big
  • tiktok-developers-site-verification=7PgqCAJ52ILLOqf2KELd8uaRfJpuzaLQ
  • tiktok-developers-site-verification=A9XRSo8lWy5CPFJ0bqI04KCpUZGAAq7p
  • v=spf1 include:_spf.google.com include:mailgun.org include:mail.zendesk.com ~all
  • v=DMARC1; p=reject; pct=100; rua=mailto:re+kvnosxqvppz@dmarc.postmarkapp.com; sp=reject; aspf=r;

NS 2

  • ali.ns.cloudflare.com
  • lee.ns.cloudflare.com

SOA 1

  • {"mname":"ali.ns.cloudflare.com","rname":"dns.cloudflare.com","serial":2405435214,"refresh":10000,"retry":2400,"expire":604800,"minimum":1800}

TLS Certificates (3)

Common NameIssuerExpires
substack.com C=US, O=Google Trust Services, CN=WE1 Sat, 22 Aug 2026 07:50:09 +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 (0)

None observed.