DOMAINS CHANGES SERVICES CERTS API

coursera.org

Observed 2026-06-15T08:06:49.718086618+00:00 (3h ago). Every field below was attested with an Ed25519 signature at scan time.

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Ed25519 Receipt

Receipt ID
478ab484-3421-46d3-acee-9f6091584b85
Output Hash
9733b24e694ef01d7218c9ffdae11b35fcb6db53e98249f2e9d0c4879f407d3e
Signature
ed25519:eeac0054bc9a38fd384647dfa8c4896e154eadc1dac5d89ab22089d5568a4bc4834fff958b56afe77dd8356365b6006b3139822936cd83c99a43633b26ad390a
Public Key
ed25519:d3f6015a95abdad7e8166ad80938a5885500170bb75f8cdb425b8fd2772bec29
Parent
(genesis)
Plane
fast
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DNS Records

A 4

  • 13.226.238.108
  • 13.226.238.21
  • 13.226.238.65
  • 13.226.238.8

MX 7

  • {"priority":10,"exchange":"aspmx.l.google.com"}
  • {"priority":20,"exchange":"alt1.aspmx.l.google.com"}
  • {"priority":20,"exchange":"alt2.aspmx.l.google.com"}
  • {"priority":30,"exchange":"aspmx2.googlemail.com"}
  • {"priority":30,"exchange":"aspmx3.googlemail.com"}
  • {"priority":30,"exchange":"aspmx4.googlemail.com"}
  • {"priority":30,"exchange":"aspmx5.googlemail.com"}

TXT 42

  • 376174617-10056694
  • BthfBdp8W7Bqmm87eNGy
  • MS=ms91657421
  • anthropic-domain-verification-r913z0=qHfIpP1D8b5nWxj2rpstnqRZ1
  • apple-domain-verification=8gxy28dzSlSOYkUI
  • atlassian-domain-verification=OwoxnU5JeeEeNB3PXqTmPOsZNFUYTd05tar4PX8ZNNjps+mMWto+OyyA/50W5+B1
  • atlassian-domain-verification=pwnyCbGEmC6E08lYJGO/SYkQvbjFS+OXy03eVMG75U52Edj0vbZGBjdaorxh+PUE
  • canva-site-verification=m3eGQL4tz88BqXJO92JRpw
  • cisco-ci-domain-verification=5b418d2526e560d4ec96988886c86e7930c6936b68215183295356a4e4bf36d7
  • cursor-domain-verification-kg2va5=P61NAJ77jH4Kuavd9jaD3I4Bw

NS 4

  • ns-1481.awsdns-57.org
  • ns-1590.awsdns-06.co.uk
  • ns-258.awsdns-32.com
  • ns-688.awsdns-22.net

SOA 1

  • {"mname":"ns-1590.awsdns-06.co.uk","rname":"awsdns-hostmaster.amazon.com","serial":1,"refresh":7200,"retry":900,"expire":1209600,"minimum":86400}

SRV 10

  • {"priority":20,"weight":0,"port":5222,"target":"talk1.l.google.com"}
  • {"priority":20,"weight":0,"port":5222,"target":"talk2.l.google.com"}
  • {"priority":20,"weight":0,"port":5222,"target":"talk3.l.google.com"}
  • {"priority":20,"weight":0,"port":5222,"target":"talk4.l.google.com"}
  • {"priority":5,"weight":0,"port":5222,"target":"talk.l.google.com"}
  • {"priority":20,"weight":0,"port":5269,"target":"alt1.xmpp-server.l.google.com"}
  • {"priority":20,"weight":0,"port":5269,"target":"alt2.xmpp-server.l.google.com"}
  • {"priority":20,"weight":0,"port":5269,"target":"alt3.xmpp-server.l.google.com"}
  • {"priority":20,"weight":0,"port":5269,"target":"alt4.xmpp-server.l.google.com"}
  • {"priority":5,"weight":0,"port":5269,"target":"xmpp-server.l.google.com"}

TLS Certificates (3)

Common NameIssuerExpires
coursera.org C=US, O=Amazon, CN=Amazon RSA 2048 M01 Tue, 06 Oct 2026 23:59:59 +0000
Amazon RSA 2048 M01 C=US, O=Amazon, CN=Amazon Root CA 1 Fri, 23 Aug 2030 22:21:28 +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 (0)

None observed.