According to Live Direct Marketing's daily Tranco top-1M scan (July 12, 2026), Access is the SaaS sender for 128 domains — 0.02% of 617,244 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Access is a SaaS email delivery platform authorising third-party sending on behalf of customer domains, detected across the Tranco top-1M websites through SPF include mechanisms.
Its footprint is concentrated among smaller and mid-market organisations rather than major brands, distributed internationally across numerous TLDs but led by .com. Frequent coexistence with Microsoft 365 in SPF records suggests Access serves organisations building supplementary email capacity within hybrid stacks.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 3 | 2.3% |
| Top 100,000 | 12 | 9.4% |
| Top 1,000,000 | 104 | 81.2% |
| Unranked | 9 | 7.0% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 38 | 29.7% | |
| .co.uk | 32 | 25.0% | |
| .org.uk | 23 | 18.0% | |
| .org | 17 | 13.3% | |
| .ac.uk | 4 | 3.1% | |
| .net | 3 | 2.3% | |
| .gov.uk | 3 | 2.3% | |
| .ie | 2 | 1.6% | |
| .london | 1 | 0.8% | |
| .sh | 1 | 0.8% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 128 domains.
| Type | Service | Domains | Share of Access users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 77 | 60.2% |
| Mailbox | Mimecast | 17 | 13.3% |
| Mailbox | Barracuda | 11 | 8.6% |
| Mailbox | Unknown / Other | 7 | 5.5% |
| Mailbox | Google Workspace | 6 | 4.7% |
| Mailbox | Proofpoint | 4 | 3.1% |
Access in SPF records authorises the platform to send on the domain's behalf, but reputation tracking remains domain-specific rather than pooled across the Access customer base. Since Access users are often smaller organisations with limited prior sending history, correct DKIM, DMARC, and SPF alignment is particularly critical for delivery success. Organisations already established with Microsoft 365 may see some reputation benefit from that existing relationship when Access appears in the same SPF record.
See the full Access data page (KPI cards, trend, sample domains) →
Yes, Access is a legitimate SaaS email platform commonly used by smaller and mid-market organisations for third-party email sending. Emails sent through Access will authenticate properly if your SPF, DKIM, and DMARC records are correctly configured.
128 domains in the Tranco top-1M use Access as their SaaS sender as of July 12, 2026 (0.02% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Access accounts for 0.02% 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.
Access's largest TLD is .com (29.7% of its domains); it appears across 14 TLDs in total.