blackboard.com

Observed Jul 24, 2026, 17:46 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Runs onMicrosoft Corporation

Email byMicrosoft 365

Secured byDigiCert

Registered withCSC Corporate Domains, Inc.

Also usesGoogle Search ConsoleAtlassianHubSpot

1 subdomain · education_expanded

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat blackboard.com actually stands on - every host below is a signed observation

blackboard.com

A / AAAA

20.85.72.68

Microsoft Corporationserves the site

ns-337.awsdns-42.comns-719.awsdns-25.netns-1321.awsdns-37.orgns-1824.awsdns-36.co.uk

awsdns-42.com + awsdns-25.net + moreanswers its DNS

blackboard-com.mail.protection.outlook.com

Microsoft 365receives its email

TLS

*.blackboardanalytics.com

DigiCert Incissued its certificate

DNS Records

A 1

20.85.72.68

MX 1

10blackboard-com.mail.protection.outlook.com

TXT 13

MS=ms40613892
rightscale-4938059c848a09deb829
ca3-48cd68e33ded47618c454c158fa7dcaf
docu-45723426-bedd-41e0-a6f0-664931fc3806
mixpanel-domain-verify=92235a82-8728-4950-9851-57c4eecd4342
anthropic-domain-verification-48rh2p=nzud9NjNPq281qzpTWE5ucyiZ
google-site-verification=fTocuU2OdTBoe0z0NgNx_LFAThArXIONtFHyO--shKk
google-site-verification=h4SDO4a-PJNaavz2JFzCHiOqtvcVJG-r2SSOSwVnZcw
pfXrSz+R3xXW/7frt70I2B9I5Ji3XNr+ndfiptWw0SwRIwJT1lzgMyka1en34swjl1jIwlBlvCnBBnb4zI+5bA==
wiz-domain-verification=f2232774b0adf1fc08b8c0f3fd5cb5f261d73c37f381e65ec1d6b4c26b9b6a0b

NS 4

ns-337.awsdns-42.com
ns-719.awsdns-25.net
ns-1321.awsdns-37.org
ns-1824.awsdns-36.co.uk

SOA 1

ns-719.awsdns-25.net awsdns-hostmaster.amazon.com

CAA 8

iodef "mailto:dnstech@blackboard.com"
issue "amazon.com"
issue "digicert.com"
issue "letsencrypt.org"
issue "sectigo.com"
issuewild "amazon.com"
issuewild "digicert.com"
issuewild "sectigo.com"

TLS Certificates (2)

Common Name	Issuer	Expires
`*.blackboardanalytics.com`	C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1	Thu, 08 Oct 2026 23:59:59 +0000
`DigiCert Global G2 TLS RSA SHA256 2020 CA1`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Sat, 29 Mar 2031 23:59:59 +0000

Subdomains (1)

help.blackboard.com

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for blackboard.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/blackboard.com">
  <img src="https://domaindrift.io/badge/blackboard.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for blackboard.com">
</a>

Ed25519 Receipt

Receipt ID: rcpt_4a4fc6357fa01c9a
Output Hash: 764213d8f52af835cb2bbfe494f4dbebd552d0d13fc59348e4646be47ad510b8
Signature: ed25519:677015f2c0763cedbfd93933ac6e878d799b6a1b8207e8719981b6a1356f54c14ea270a25e0a67e9a90d7f6e3886261df8294ee04499427a71c0c9daa4922004
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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