According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Keap (Infusionsoft) is the email service provider (ESP) for 347 domains — 0.06% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Keap (formerly Infusionsoft) is an email service provider and customer relationship management platform operated by Keap Inc., designed to centralise customer communications and sales automation for small to mid-market businesses.
Keap's observable footprint in the email infrastructure landscape concentrates among smaller organisations within the .com namespace, where it frequently appears alongside Google Workspace. For those managing email deliverability, this distribution pattern indicates that Keap-hosted infrastructure is a regular presence in business communications outside the largest enterprise segment.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 0 | 0.0% |
| Top 100,000 | 30 | 8.6% |
| Top 1,000,000 | 302 | 87.0% |
| Unranked | 15 | 4.3% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 259 | 74.6% | |
| .net | 23 | 6.6% | |
| .org | 14 | 4.0% | |
| .com.au | 8 | 2.3% | |
| .co.uk | 7 | 2.0% | |
| .it | 6 | 1.7% | |
| .edu | 4 | 1.2% | |
| .com.br | 3 | 0.9% | |
| .co | 2 | 0.6% | |
| .cl | 2 | 0.6% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 347 domains.
| Type | Service | Domains | Share of Keap (Infusionsoft) users |
|---|---|---|---|
| Mailbox | Google Workspace | 176 | 50.7% |
| Mailbox | Microsoft 365 | 88 | 25.4% |
| Mailbox | Self-Hosted | 22 | 6.3% |
| Mailbox | Unknown / Other | 10 | 2.9% |
| Mailbox | Barracuda | 10 | 2.9% |
| Mailbox | Rackspace Email | 6 | 1.7% |
| ESP | SendGrid (Twilio) | 58 | 16.7% |
| ESP | Zendesk | 57 | 16.4% |
| ESP | HubSpot | 45 | 13.0% |
| ESP | Amazon SES | 42 | 12.1% |
Keap appears in email authentication records through SPF include mechanisms, which indicate when organisations authorise Keap to send email on their behalf. The concentration of these authorisations among smaller sites, predominantly within the .com space, reflects Keap's market positioning as a unified email and CRM service for mid-market and small-business customers seeking integrated communications and sales tools.
See the full Keap (Infusionsoft) data page (KPI cards, trend, sample domains) →
Keap (formerly Infusionsoft) is an email service provider and CRM platform that hosts email infrastructure for small to mid-market businesses. It appears in SPF records when customers authorise Keap to send email on their behalf, as part of their broader sales and customer communications automation.
347 domains in the Tranco top-1M use Keap (Infusionsoft) as their email service provider (ESP) as of July 13, 2026 (0.06% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Keap (Infusionsoft) accounts for 0.06% of SPF-publishing domains in the top 1M. Whether you should seed a test mailbox there depends on how much of your audience it represents — the co-usage table above shows the services it appears alongside most.
Keap (Infusionsoft)'s largest TLD is .com (74.6% of its domains); it appears across 25 TLDs in total.