ZeptoMail (Zoho) email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 11, 2026), ZeptoMail (Zoho) is the email service provider (ESP) for 800 domains — 0.13% of 631,089 SPF-publishing domains. Its strongest TLD is .com (53.4% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-11 DNS snapshot.
What ZeptoMail (Zoho) represents in this dataset
ZeptoMail — Zoho transactional email API.
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 2026-09-11 snapshot shows about ZeptoMail (Zoho)
Across 87 distinct TLDs its top three are .com (53.4%), .in (8.4%), .org (4.5%) — together 66.2% of the 800 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is Google Workspace (Mailbox, 208 domains, 26.0% of them), followed by Zoho Mail (22.6%). 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 (2026-09-11); 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 ZeptoMail (Zoho)
What else the same 800 domains use — cross-tabulated from the same daily snapshot (2026-09-11).
| Type | Service | Domains | Share of ZeptoMail (Zoho) users |
|---|---|---|---|
| Mailbox | Google Workspace | 208 | 26.0% |
| Mailbox | Zoho Mail | 181 | 22.6% |
| Mailbox | Microsoft 365 | 149 | 18.6% |
| Mailbox | Self-Hosted | 50 | 6.2% |
| Mailbox | Zoho Mail (IN) | 41 | 5.1% |
| Mailbox | Zoho Mail (EU) | 25 | 3.1% |
| ESP | Zoho Campaigns | 135 | 16.9% |
| ESP | Amazon SES | 65 | 8.1% |
| ESP | Zoho ZeptoMail | 62 | 7.8% |
| ESP | SendGrid (Twilio) | 49 | 6.1% |
TLD distribution (top 30 of 87)
Frequently asked questions
How many domains use ZeptoMail (Zoho)?
800 domains in the Tranco top-1M use ZeptoMail (Zoho) as their email service provider (ESP) as of September 11, 2026, according to Live Direct Marketing's daily DNS scan.
What is ZeptoMail (Zoho)'s market share?
ZeptoMail (Zoho) holds 0.13% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-11). The number is recomputed every day.
What are the biggest alternatives to ZeptoMail (Zoho)?
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 2026-09-11).
Largest email service provider (ESP)s in this category
Amazon SES (6.17%) · SendGrid (Twilio) (4.63%) · Mailgun (4.00%) · Zendesk (3.76%) · Mailchimp (3.56%) · Mandrill (3.24%) · HubSpot (3.10%) · Salesforce (2.54%) · Mailjet (Sinch) (2.12%) · Cloudflare Email Routing (1.93%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 800 domains.