DOMAINS CHANGES SERVICES CERTS API

37signals.com

Observed 2026-06-15T13:21:36.166Z (7h ago). Every field below was attested with an Ed25519 signature at scan time.

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Ed25519 Receipt

Receipt ID
27a0996d-7e6b-459d-8893-7cbd8f33ab7e
Output Hash
585b6a643ae4c1123a923ef94ccb5412ad3e6260574e396e5953303ff717f542
Signature
ed25519:d8a9c5383ba2e4f8f8b19f5edacf9a802b3188aac89a3f47c867a96a3b12bc06fc451b97786ed8b82467415f0a8a6a6ac661012ec434561bd6489212e448f806
Public Key
ed25519:1aafb422ddb6beba51f7cabe4ce1c400d51da23b2ec829bd74c9f89bb99801da
Parent
(genesis)
Plane
fast
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DNS Records

A 2

  • 104.18.0.135
  • 104.18.1.135

MX 1

  • {"priority":10,"exchange":"work-mx.app.hey.com"}

TXT 12

  • hey-verification:wvrWxEPH2vgJ5hJp8cjdWfZx
  • google-site-verification=vPyWJnzga2ciedbmL9z3PaMMS7gMZba_d4KE-GXzcUI
  • google-site-verification=75SnvFixCmuTIw1yttct06G6Mk7vGOqJDKqVd4sD66g
  • anthropic-domain-verification-2ned89=7e1u02UWpXxRVFbqXvTepQODa
  • atlassian-domain-verification=jDcnbDUp4Eqr8vcG6rwzJC/AiL4ryyQCoTDiAKjKnP7rzlvnA4akV4QxvGnUaMS8
  • openai-domain-verification=dv-brKIWqu5JEkAoXYjfCz66ucV
  • apple-domain-verification=fZq9u43pq901FVrX
  • stripe-verification=F970494BA4495175BB0BBBBBB611C2410B599753DB459B0B27676C72D5A688A6
  • v=spf1 include:_spf.basecamp.com include:servers.mcsv.net -all
  • 8x2rys9qrtmrt08s01k2dhf220y0bc3h

NS 2

  • merlin.ns.cloudflare.com
  • serena.ns.cloudflare.com

SOA 1

  • {"mname":"merlin.ns.cloudflare.com","rname":"dns.cloudflare.com","serial":2405246249}

CAA 13

  • {"flags":0,"tag":"issuewild","value":"pki.goog; cansignhttpexchanges=yes"}
  • {"flags":0,"tag":"issuewild","value":"letsencrypt.org"}
  • {"flags":0,"tag":"issue","value":"pki.goog; cansignhttpexchanges=yes"}
  • {"flags":0,"tag":"iodef","value":"mailto:sysadmins@37signals.com"}
  • {"flags":0,"tag":"issue","value":"letsencrypt.org"}
  • {"flags":0,"tag":"issue","value":"amazon.com"}
  • {"flags":0,"tag":"issue","value":"ssl.com"}
  • {"flags":0,"tag":"issue","value":"globalsign.com"}
  • {"flags":0,"tag":"issuewild","value":"ssl.com"}
  • {"flags":0,"tag":"issue","value":"digicert.com; cansignhttpexchanges=yes"}

TLS Certificates (0)

None.

Subdomains (6)