blackboard.com
blackboard.com ranks #2,143 of 142,745,773 domains for popularity, with a link authority of 6.1/10. Seen in 8 public sources.
Source cross-reference
commoncrawl: #9,758 crux: #50,000 hostio: #6,639 majestic: #7,683 openpagerank: #5,960 radar: #10,000 tranco: #6,448 umbrella: #12,715
Trend
↑ #2,608 (2025-07-15) → #1,954 (2026-08-14), 16 monthly snapshots.
Link profile
Links from 3,088 distinct networks (of the 4,440 linking domains with DNS data so far) — subnet diversity is the spam-resistant authority signal. What these mean →
Hosting
Microsoft Corporation (AS8075) · hosted in the United States · DNS by Route53 · datacenter/cloud IP.
Registration
registered 1999-04-09 (27 yrs old) · registrar CSC Corporate Domains, Inc. · expires 2027-07-15.
Certificates
TLS by DigiCert · organization Blackboard Inc (the United States) · wildcard cert. Current cert valid to 2026-10-08.
Subdomains
14 discovered from certificates: alt-learn.qpurnshy.usgw1.blackboard.com learn.qpurnshy.usgw1.blackboard.com alt-learn.1tilyjgd.usgw1.blackboard.com alt-learn.lu4ede2o.usgw1.blackboard.com learn.1tilyjgd.usgw1.blackboard.com learn.lu4ede2o.usgw1.blackboard.com gov.houston.blackboard.com houston.blackboard.com af.ai-integrations.api.blackboard.com au.ai-integrations.api.blackboard.com ca.ai-integrations.api.blackboard.com kr.ai-integrations.api.blackboard.com sg.ai-integrations.api.blackboard.com discovery.ulster-saas-staging.blackboard.com