DOMAINS CHANGES SERVICES CERTS API

harpercollins.com

Observed 2026-06-15T08:45:07.162857691+00:00 (4h ago). Every field below was attested with an Ed25519 signature at scan time.

Don't trust this page — check the math. Verification runs entirely in your browser. Nothing leaves your machine.

Verify this receipt

Ed25519 Receipt

Receipt ID
fbc4e76c-2258-47a7-8160-ddea42853a4e
Output Hash
edec4e82258234a3497cd30bfa639a201356e6472fb1a017102683711a6ceea4
Signature
ed25519:74b62b81276e629e33cb0c4275ed9a032dde8fe0262b13bc2566bf34d8515e76fde973169c51682938f7deb82c829327884cc95d651bd16d799462010dd5950a
Public Key
ed25519:d3f6015a95abdad7e8166ad80938a5885500170bb75f8cdb425b8fd2772bec29
Parent
(genesis)
Plane
fast
Verify this in your browser

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

  • atlassian-domain-verification=uNoIhBXurxzVlQa0FvK2t9Yld5byfvXbFRQaMToGvrieKjBdylMs8jcSXRKQKqao
  • _globalsign-domain-verification=bkER3fxZbQLIEl16wZS08EnQpoEG9UQBKihu8Ks2Zd
  • ZOOM_verify_c8YbePuKRTOlYTGf_XKe2Q
  • ca3-55817d6452e54bb686ad84dded8965e2
  • 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

NS 2

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