harpercollins.com

Observed 2026-06-15T12:45:34.833378513+00:00 (3h ago). Every field below was attested with an Ed25519 signature at scan time.

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Ed25519 Receipt

Receipt ID
101b1a61-99cb-4ca9-aa57-9aa755f4e0bd
Output Hash
52e515497059f3e25f5041cee6cc039bafb11360830ade72af36cce12af90a06
Signature
ed25519:28a2c4069fbd70f59914cf12f34d90bf33595974f114a8d2b1fb1b50012e89df2235830a66efb00dd52c97169c96b01360943ccf6e4186b45e4b5e3aec3e9006
Public Key
ed25519:d3f6015a95abdad7e8166ad80938a5885500170bb75f8cdb425b8fd2772bec29
Parent
(genesis)
Plane
fast
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DNS Records

A 1

  • 23.227.38.65

MX 2

  • {"priority":5,"exchange":"mxb-00596a01.gslb.pphosted.com"}
  • {"priority":5,"exchange":"mxa-00596a01.gslb.pphosted.com"}

TXT 33

  • asv=6bcb95b6501de3efbcb4bba9870aa071
  • docker-verification=dfcc680b-f409-45d1-b9a7-7992e21b9a52
  • v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
  • google-site-verification=mrNi0RTTBHQ_NPHcDoUYnii2GYVeN8gg0XIYRMJmoU0
  • google-site-verification=nmk1hXTEYrIjhNQa3heeK1KiHKtzpXxB1jDCZP7e8o0
  • ValidationTokenValue=90fe4eb0-f1cb-4e32-a847-dc0e99fd6213
  • docusign=725b7e74-15db-4d54-ac76-889b6f206549
  • figma-domain-verification=950abdf37a7ff2b00c3954b0b7c5b529439c5bc172d9955316215e3348f14054-1720572824
  • yahoo-verification-key=i+M9oi9b5+XYPU48wdxWhYtTSJpnVouSnI3IUqZq88I=
  • extensis-domain-verification=fb808a86-2bd8-4609-b6da-ee938a0b5625

NS 2

  • dmtu.mt.ns.els-gms.att.net
  • dbru.br.ns.els-gms.att.net

SOA 1

  • {"mname":"dbru.br.ns.els-gms.att.net","rname":"rm-hostmaster.ems.att.com","serial":628,"refresh":21600,"retry":3600,"expire":1728000,"minimum":21600}

SRV 3

  • {"priority":10,"weight":10,"port":5060,"target":"expedge02.harpercollins.com"}
  • {"priority":10,"weight":10,"port":5061,"target":"expedge02.harpercollins.com"}
  • {"priority":0,"weight":0,"port":443,"target":"mailservices.harpercollins.com"}

TLS Certificates (3)

Common NameIssuerExpires
harpercollins.com C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=GeoTrust TLS RSA CA G1 Sun, 06 Dec 2026 23:59:59 +0000
GeoTrust TLS RSA CA G1 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 Tue, 02 Nov 2027 12:23:37 +0000
DigiCert Global Root G2 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root CA Sun, 09 Nov 2031 23:59:59 +0000

Subdomains (1)