DOMAINS CHANGES SERVICES CERTS API

studyblue.com

Observed 2026-06-13T12:16:05.473Z (2h ago). Every field below was attested with an Ed25519 signature at scan time.

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Ed25519 Receipt

Receipt ID
569b9a2c-4374-4347-be81-0f5d5f5b2791
Output Hash
a72fce7be18d57876b476f2e4bee289829d0088f8cb396af1f0b274b8fa75264
Signature
ed25519:6858358da853a8cc250475951fcb46c5e991c4c8f0d3f6c863dad840b72e2f54851c4d46e77274f6018466419bd708f413fbb8d4ca35dd3b8bcb6ad4f69abb0e
Public Key
ed25519:d3f6015a95abdad7e8166ad80938a5885500170bb75f8cdb425b8fd2772bec29
Parent
(genesis)
Plane
fast
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DNS Records

A 4

  • 13.226.209.93
  • 13.226.209.51
  • 13.226.209.23
  • 13.226.209.105

TXT 1

  • v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

NS 4

  • ns-1357.awsdns-41.org
  • ns-1879.awsdns-42.co.uk
  • ns-301.awsdns-37.com
  • ns-774.awsdns-32.net

SOA 1

  • {"mname":"ns-774.awsdns-32.net","rname":"awsdns-hostmaster.amazon.com","serial":1,"refresh":7200,"retry":900,"expire":1209600,"minimum":86400}

TLS Certificates (3)

Common NameIssuerExpires
studyblue.com C=US, O=Amazon, CN=Amazon RSA 2048 M04 Tue, 06 Oct 2026 23:59:59 +0000
Amazon RSA 2048 M04 C=US, O=Amazon, CN=Amazon Root CA 1 Fri, 23 Aug 2030 22:26:35 +0000
Amazon Root CA 1 C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2 Thu, 31 Dec 2037 01:00:00 +0000

Subdomains (1)