libretexts.org

Observed 2026-06-13T11:57:17.457Z (8m ago). Every field below was attested with an Ed25519 signature at scan time.

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Ed25519 Receipt

Receipt ID
1a402e69-f334-4040-ab0a-7e41be30f657
Output Hash
a5f3f7dc7f136a3b44cb3626daf0754f5dcb5502fabbc7c435d6284ec1dd7583
Signature
ed25519:2c493bccabbc8a3f338fec1b1b097735c679c0deac6871bc45f7dbe495b3eb475364ee51bd67f442e8939822d8c4f021e60bbd75fcce7dbc4e4a9bb66b18440c
Public Key
ed25519:1aafb422ddb6beba51f7cabe4ce1c400d51da23b2ec829bd74c9f89bb99801da
Parent
(genesis)
Plane
fast
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DNS Records

A 2

  • 104.20.33.226
  • 172.66.163.119

AAAA 2

  • 2606:4700:10::ac42:a377
  • 2606:4700:10::6814:21e2

MX 5

  • {"priority":10,"exchange":"alt4.aspmx.l.google.com"}
  • {"priority":5,"exchange":"alt2.aspmx.l.google.com"}
  • {"priority":10,"exchange":"alt3.aspmx.l.google.com"}
  • {"priority":5,"exchange":"alt1.aspmx.l.google.com"}
  • {"priority":1,"exchange":"aspmx.l.google.com"}

TXT 9

  • google-site-verification=ej-DagC8sD_MaouJikcyiz-sulM4oKdtg95K_XZJLjc
  • atlassian-domain-verification=K5DMrg/KPVIJcji/XYQ5GaWR5qtDtay27IEufDV87yqJmqX4uKhjhgZxNMajMm2w
  • v=spf1 include:_spf.google.com include:mailgun.org include:spf.mailjet.com ~all
  • 1password-site-verification=YDXLXEOPD5A4RIQ4DGBXTTLXAU
  • MS=24EEDA32A1B64093067F80942348F46B7C53AB15
  • google-site-verification=zIAad45IZShT-a7Q2GnGn7XjbofS1NobaXCuldPdF58
  • v=DMARC1; p=quarantine; ruf=mailto:dev@libretexts.org; fo=1; rua=mailto:aed54a8da9d94419b5651cf163384e92@dmarc-reports.cloudflare.net;
  • v=DKIM1; (detected)
  • v=DNSSEC1; (detected)

NS 2

  • ridge.ns.cloudflare.com
  • celine.ns.cloudflare.com

SOA 1

  • {"mname":"celine.ns.cloudflare.com","rname":"dns.cloudflare.com","serial":2406612009}

CAA 17

  • {"flags":0,"tag":"issue","value":"letsencrypt.org"}
  • {"flags":0,"tag":"issuewild","value":"comodoca.com"}
  • {"flags":0,"tag":"issue","value":"sectigo.com"}
  • {"flags":0,"tag":"iodef","value":"mailto:delmar@libretexts.org"}
  • {"flags":0,"tag":"issuewild","value":"amazontrust.com"}
  • {"flags":0,"tag":"issuewild","value":"amazonaws.com"}
  • {"flags":0,"tag":"issuewild","value":"digicert.com; cansignhttpexchanges=yes"}
  • {"flags":0,"tag":"issuewild","value":"awstrust.com"}
  • {"flags":0,"tag":"issue","value":"ssl.com"}
  • {"flags":0,"tag":"issue","value":"comodoca.com"}

TLS Certificates (0)

None.

Subdomains (51)