According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), IPzMarketing is the email service provider (ESP) for 982 domains — 0.16% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
IPzMarketing is an email service provider that manages outbound delivery and authentication infrastructure for its clients' mail streams. The service is identified in the wild via SPF include mechanisms, which route mail-sending authority through IPzMarketing's servers and IP blocks.
Organisations using IPzMarketing tend to occupy the middle market rather than the enterprise tier: smaller and mid-sized businesses, agencies, and independent senders spread across multiple countries and domains, with .com registration being the most common. IPzMarketing frequently appears in tandem with self-hosted mail infrastructure, suggesting it is chosen to augment or offload outbound delivery from internal systems rather than replace them entirely. For senders and mail administrators, this footprint pattern means encounters with IPzMarketing are scattered across diverse sender profiles and geographies, not concentrated in a handful of major brands.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 2 | 0.2% |
| Top 100,000 | 55 | 5.6% |
| Top 1,000,000 | 733 | 74.6% |
| Unranked | 192 | 19.6% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 430 | 43.8% | |
| .es | 176 | 17.9% | |
| .org | 34 | 3.5% | |
| .co | 33 | 3.4% | |
| .cl | 30 | 3.1% | |
| .net | 27 | 2.7% | |
| .com.ar | 25 | 2.5% | |
| .ar | 20 | 2.0% | |
| .com.co | 19 | 1.9% | |
| .com.br | 19 | 1.9% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 982 domains.
| Type | Service | Domains | Share of IPzMarketing users |
|---|---|---|---|
| Mailbox | Self-Hosted | 284 | 28.9% |
| Mailbox | Google Workspace | 241 | 24.5% |
| Mailbox | Microsoft 365 | 193 | 19.7% |
| Mailbox | Unknown / Other | 39 | 4.0% |
| Mailbox | Generic / unmatched (mx*.*) | 26 | 2.6% |
| Mailbox | Servicio de Correo (Arsys, ES) | 21 | 2.1% |
| ESP | Mailjet (Sinch) | 57 | 5.8% |
| ESP | Amazon SES | 53 | 5.4% |
| ESP | MailerSend | 39 | 4.0% |
| ESP | Mailchimp | 36 | 3.7% |
Because IPzMarketing acts as a delegated sending service, proper SPF configuration is critical: senders must include IPzMarketing's publish blocks so receiving systems recognise legitimate mail from its IP ranges. The widespread presence of IPzMarketing include: directives across smaller domains suggests the platform is well-integrated into the workflows of less-technical senders and resellers, for whom a pre-configured SPF include is a practical alternative to managing IP reputations in-house. However, misconfiguration—overly broad permits, missing DMARC alignment, or conflicting SPF includes—is common in long-tail deployments, so mail from IPzMarketing-using senders can be more variable in authentication posture than from centralised enterprise ESPs.
See the full IPzMarketing data page (KPI cards, trend, sample domains) →
If your audience uses or hosts mail infrastructure that interacts with IPzMarketing senders, testing authentication and reputation handling against their SPF footprint can reveal alignment gaps—but IPzMarketing itself is a sending service, not a major mailbox provider, so it is not a primary deliverability testing target in the way Gmail, Outlook, or Microsoft 365 would be.
982 domains in the Tranco top-1M use IPzMarketing as their email service provider (ESP) as of July 13, 2026 (0.16% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
IPzMarketing accounts for 0.16% 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.
IPzMarketing's largest TLD is .com (43.8% of its domains); it appears across 72 TLDs in total.