Blackboard email provider statistics and deliverability context
← Email Stats homesaas
According to Live Direct Marketing's daily Tranco top-1M scan (September 11, 2026), Blackboard is the SaaS sender for 344 domains — 0.05% of 631,089 SPF-publishing domains. Its strongest TLD is .edu (42.4% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-11 DNS snapshot.
What Blackboard represents in this dataset
Blackboard — LMS for higher-ed; course notification email.
Directory category: Saas. The classification comes from include: mechanisms in the SPF record. It describes observed DNS infrastructure, not a commercial relationship and not the placement of any individual message.
What the 2026-09-11 snapshot shows about Blackboard
Across 42 distinct TLDs its top three are .edu (42.4%), .org (14.2%), .net (9.9%) — together 66.6% of the 344 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is Microsoft 365 (Mailbox, 195 domains, 56.7% of them), followed by Google Workspace (17.2%). Directly comparable by the same detection rule: Shopify, Pardot (Salesforce), CodeTwo Email Signatures 365. Ranking between them reflects what is published in DNS, not delivery quality or volume sent. All figures come from a single daily DNS snapshot (2026-09-11); a domain appears here when its published records match the include: mechanisms in the SPF record rule, which is an infrastructure fact, not a commercial relationship.
Commonly used together with Blackboard
What else the same 344 domains use — cross-tabulated from the same daily snapshot (2026-09-11).
| Type | Service | Domains | Share of Blackboard users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 195 | 56.7% |
| Mailbox | Google Workspace | 59 | 17.2% |
| Mailbox | Self-Hosted | 18 | 5.2% |
| Mailbox | Barracuda | 18 | 5.2% |
| Mailbox | Proofpoint | 17 | 4.9% |
| Mailbox | Mimecast | 14 | 4.1% |
TLD distribution (top 30 of 42)
Frequently asked questions
How many domains use Blackboard?
344 domains in the Tranco top-1M use Blackboard as their SaaS sender as of September 11, 2026, according to Live Direct Marketing's daily DNS scan.
What is Blackboard's market share?
Blackboard holds 0.05% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-11). The number is recomputed every day.
What are the biggest alternatives to Blackboard?
The largest SaaS senders in the same category by Tranco top-1M share are: Shopify, Pardot (Salesforce), CodeTwo Email Signatures 365, KnowBe4, Statuspage (Atlassian) (as of 2026-09-11).
Largest SaaS senders in this category
Shopify (0.86%) · Pardot (Salesforce) (0.74%) · CodeTwo Email Signatures 365 (0.70%) · KnowBe4 (0.53%) · Statuspage (Atlassian) (0.32%) · Trustpilot (0.29%) · Firebase (Google) (0.29%) · BigCommerce (0.29%) · Atlassian (Jira/Confluence) (0.28%) · Lark / Feishu (0.20%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 344 domains.