Blackbaud email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), Blackbaud is the email service provider (ESP) for 1,069 domains — 0.17% of 637,420 SPF-publishing domains. Its strongest TLD is .org (53.7% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-24 DNS snapshot.
What Blackbaud represents in this dataset
US fundraising / nonprofit CRM (outboundmail.blackbaud.net).
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 2026-09-24 snapshot shows about Blackbaud
Across 22 distinct TLDs its top three are .org (53.7%), .edu (26.7%), .ca (7.0%) — together 87.4% of the 1,069 domains, which makes the footprint narrow — three TLDs cover most of it, which is typical of a regional or single-market operator. The service most often observed on the same domains is Microsoft 365 (Mailbox, 630 domains, 58.9% of them), followed by Google Workspace (11.4%). Directly comparable by the same detection rule: Amazon SES, SendGrid (Twilio), Mailgun. Ranking between them reflects what is published in DNS, not delivery quality or volume sent. All figures come from a single daily DNS snapshot (2026-09-24); 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 Blackbaud
What else the same 1,069 domains use — cross-tabulated from the same daily snapshot (2026-09-24).
| Type | Service | Domains | Share of Blackbaud users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 630 | 58.9% |
| Mailbox | Google Workspace | 122 | 11.4% |
| Mailbox | Barracuda | 60 | 5.6% |
| Mailbox | Mimecast | 49 | 4.6% |
| Mailbox | Proofpoint | 46 | 4.3% |
| Mailbox | Unknown / Other | 41 | 3.8% |
| ESP | SendGrid (Twilio) | 180 | 16.8% |
| ESP | Mailchimp | 149 | 13.9% |
| ESP | Blackbaud Luminate (Convio) | 148 | 13.8% |
| ESP | Amazon SES | 145 | 13.6% |
TLD distribution (top 22 of 22)
Frequently asked questions
How many domains use Blackbaud?
1,069 domains in the Tranco top-1M use Blackbaud as their email service provider (ESP) as of September 24, 2026, according to Live Direct Marketing's daily DNS scan.
What is Blackbaud's market share?
Blackbaud holds 0.17% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-24). The number is recomputed every day.
What are the biggest alternatives to Blackbaud?
The largest email service provider (ESP)s in the same category by Tranco top-1M share are: Amazon SES, SendGrid (Twilio), Mailgun, Zendesk, Mailchimp (as of 2026-09-24).
Largest email service provider (ESP)s in this category
Amazon SES (6.23%) · SendGrid (Twilio) (4.68%) · Mailgun (4.01%) · Zendesk (3.77%) · Mailchimp (3.61%) · Mandrill (3.26%) · HubSpot (3.18%) · Salesforce (2.57%) · Mailjet (Sinch) (2.14%) · Cloudflare Email Routing (1.96%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 1,069 domains.