Keap (Infusionsoft) email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 10, 2026), Keap (Infusionsoft) is the email service provider (ESP) for 339 domains — 0.05% of 632,322 SPF-publishing domains. Its strongest TLD is .com (74.6% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-10 DNS snapshot.
What Keap (Infusionsoft) represents in this dataset
CRM + email marketing for very-small businesses.
Directory category: Esp. 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 2026-09-10 snapshot shows about Keap (Infusionsoft)
Across 24 distinct TLDs its top three are .com (74.6%), .net (5.9%), .org (4.7%) — together 85.3% of the 339 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 Google Workspace (Mailbox, 177 domains, 52.2% of them), followed by Microsoft 365 (23.6%). 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 (2026-09-10); 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 Keap (Infusionsoft)
What else the same 339 domains use — cross-tabulated from the same daily snapshot (2026-09-10).
| Type | Service | Domains | Share of Keap (Infusionsoft) users |
|---|---|---|---|
| Mailbox | Google Workspace | 177 | 52.2% |
| Mailbox | Microsoft 365 | 80 | 23.6% |
| Mailbox | Self-Hosted | 22 | 6.5% |
| Mailbox | Unknown / Other | 12 | 3.5% |
| Mailbox | Barracuda | 9 | 2.7% |
| Mailbox | Mimecast | 6 | 1.8% |
| ESP | Zendesk | 53 | 15.6% |
| ESP | SendGrid (Twilio) | 49 | 14.5% |
| ESP | HubSpot | 41 | 12.1% |
| ESP | Mailgun | 40 | 11.8% |
TLD distribution (top 24 of 24)
Frequently asked questions
How many domains use Keap (Infusionsoft)?
339 domains in the Tranco top-1M use Keap (Infusionsoft) as their email service provider (ESP) as of September 10, 2026, according to Live Direct Marketing's daily DNS scan.
What is Keap (Infusionsoft)'s market share?
Keap (Infusionsoft) holds 0.05% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-10). The number is recomputed every day.
What are the biggest alternatives to Keap (Infusionsoft)?
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 2026-09-10).
Largest email service provider (ESP)s in this category
Amazon SES (6.15%) · SendGrid (Twilio) (4.62%) · Mailgun (4.00%) · Zendesk (3.75%) · Mailchimp (3.56%) · Mandrill (3.24%) · HubSpot (3.09%) · Salesforce (2.54%) · Mailjet (Sinch) (2.11%) · Cloudflare Email Routing (1.93%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 339 domains.