DOMAINS CHANGES SERVICES CERTS API

mcgraw-hill.com

Observed 2026-06-15T10:14:25.097Z (8h ago). Every field below was attested with an Ed25519 signature at scan time.

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Ed25519 Receipt

Receipt ID
09a3e9f3-8977-44fe-b352-55aba71c37af
Output Hash
b8fd999b88a43dbd49e3f9c62da33d8ddeddc5fe8c92e9d9acbe78b27ee7ae6e
Signature
ed25519:a85234f520a540d4331db05f3bdb81a0c4a7c6a24d412d9252946df46520f850a2ec37cb45e0dd1688490341ca0a9ec368b26829e73ac63da02832c4560f4009
Public Key
ed25519:1aafb422ddb6beba51f7cabe4ce1c400d51da23b2ec829bd74c9f89bb99801da
Parent
(genesis)
Plane
fast
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DNS Records

A 1

  • 204.74.99.100

MX 2

  • {"priority":10,"exchange":"mxa-00363701.gslb.pphosted.com"}
  • {"priority":10,"exchange":"mxb-00363701.gslb.pphosted.com"}

TXT 3

  • v=spf1 ip4:192.243.80.160/28 ip4:192.243.88.160/28 ip4:20.157.64.168/32 ip4:192.243.87.2/32 ip4:192.243.86.2/32 -all
  • MS=ms88994943
  • v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

NS 4

  • pdns85.ultradns.biz
  • pdns85.ultradns.net
  • pdns85.ultradns.org
  • pdns85.ultradns.com

SOA 1

  • {"mname":"pdns85.ultradns.com","rname":"hostmaster.mheducation.com","serial":2015112726}

TLS Certificates (0)

None.

Subdomains (30)