According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Zoho Books is the SaaS sender for 701 domains — 0.11% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Zoho Books is Zoho's cloud-based accounting platform, enabling small-to-medium-sized businesses to manage invoicing, receipts, and financial workflows. It sends transactional emails—such as invoices and payment reminders—directly from businesses' own domains, requiring integration with their email authentication records and DNS configuration.
In email infrastructure, Zoho Books' footprint reflects its user base: it appears predominantly amongst smaller and mid-market businesses rather than enterprises, concentrated in the .com namespace and frequently deployed alongside Google Workspace. For anyone reviewing SPF records or email headers, discovering Zoho Books typically signals a smaller business' financial communication layer. This matters for deliverability because Zoho Books operates shared, multi-tenant infrastructure—a model that creates interdependencies between sender reputation, domain authentication, and the collective sending behaviour of all businesses on the platform.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 1 | 0.1% |
| Top 10,000 | 4 | 0.6% |
| Top 100,000 | 59 | 8.4% |
| Top 1,000,000 | 542 | 77.3% |
| Unranked | 95 | 13.6% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 430 | 61.3% | |
| .in | 36 | 5.1% | |
| .de | 21 | 3.0% | |
| .net | 17 | 2.4% | |
| .org | 15 | 2.1% | |
| .ca | 14 | 2.0% | |
| .io | 11 | 1.6% | |
| .co.uk | 11 | 1.6% | |
| .co | 10 | 1.4% | |
| .ai | 7 | 1.0% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 701 domains.
| Type | Service | Domains | Share of Zoho Books users |
|---|---|---|---|
| Mailbox | Google Workspace | 373 | 53.2% |
| Mailbox | Microsoft 365 | 170 | 24.3% |
| Mailbox | Zoho Mail | 54 | 7.7% |
| Mailbox | Self-Hosted | 34 | 4.9% |
| Mailbox | Unknown / Other | 14 | 2.0% |
| Mailbox | Zoho Mail (IN) | 6 | 0.9% |
Zoho Books operates shared outbound sending infrastructure across its customer base. When a business configures Zoho Books, it integrates Zoho's SPF include mechanism into its own domain record, establishing a trust relationship between the customer domain and Zoho's servers. This shared model creates direct deliverability consequences: sender reputation becomes interdependent. If one Zoho Books customer abuses the platform or allows credentials to be compromised, complaints and bounces affect the IP reputation pool shared by all Zoho Books senders. Businesses using Zoho Books should monitor their bounce rates and complaint feedback loops carefully; mail filters may apply stricter scrutiny to Zoho Books-authenticated messages from unfamiliar domains, particularly if the sending IP has accumulated reputation signals from abuse elsewhere on the platform.
See the full Zoho Books data page (KPI cards, trend, sample domains) →
Only if your audience uses Zoho Books for invoicing or B2B communications; since Zoho Books primarily serves smaller businesses, it is not a mainstream recipient category for most mass-email programmes.
701 domains in the Tranco top-1M use Zoho Books as their SaaS sender as of July 13, 2026 (0.11% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Zoho Books accounts for 0.11% 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.
Zoho Books has been stable — its share moved +0.00 pp over the last 30 days (as of July 13, 2026).
Zoho Books's largest TLD is .com (61.3% of its domains); it appears across 85 TLDs in total.