mailbox
According to Live Direct Marketing's daily Tranco top-1M scan (July 25, 2026), Clean MX is the mailbox provider for 99 domains — 0.01% of 671,693 domains with MX records. Its strongest TLD is .pt (47.5% of its domains). Detection: primary MX record (lowest preference).
Last updated from the 2026-07-25 DNS snapshot.
Portuguese managed inbound email filtering and security gateway.
Directory category: Gateway. The classification comes from primary MX record (lowest preference). It describes observed DNS infrastructure, not a commercial relationship and not the placement of any individual message.
Across 9 distinct TLDs its top three are .pt (47.5%), .com (35.4%), .net (6.1%) — together 88.9% of the 99 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 Clean MX (ESP, 89 domains, 89.9% of them), followed by KMITD (TH) (9.1%). Directly comparable by the same detection rule: Self-Hosted, Google Workspace, Microsoft 365. Ranking between them reflects what is published in DNS, not delivery quality or volume sent. All figures come from a single daily DNS snapshot (2026-07-25); a domain appears here when its published records match the primary MX record (lowest preference) rule, which is an infrastructure fact, not a commercial relationship.
What else the same 99 domains use — cross-tabulated from the same daily snapshot (2026-07-25).
| Type | Service | Domains | Share of Clean MX users |
|---|---|---|---|
| ESP | Clean MX | 89 | 89.9% |
| ESP | KMITD (TH) | 9 | 9.1% |
| ESP | Mailjet (Sinch) | 5 | 5.1% |
| ESP | Mailgun | 5 | 5.1% |
| ESP | Brevo (ex-Sendinblue) | 3 | 3.0% |
| ESP | Mailchimp | 3 | 3.0% |
| ESP | Zoho Campaigns | 2 | 2.0% |
| ESP | Elastic Email | 2 | 2.0% |
| ESP | Postmark | 1 | 1.0% |
| ESP | MailerSend | 1 | 1.0% |
99 domains in the Tranco top-1M use Clean MX as their mailbox provider as of July 25, 2026, according to Live Direct Marketing's daily DNS scan.
Clean MX holds 0.01% of domains with MX records in the Tranco top-1M (snapshot of 2026-07-25). The number is recomputed every day.
The largest mailbox providers in the same category by Tranco top-1M share are: Self-Hosted, Google Workspace, Microsoft 365, Unknown / Other, Generic / unmatched (mx*.*) (as of 2026-07-25).
Self-Hosted (22.79%) · Google Workspace (21.83%) · Microsoft 365 (16.87%) · Unknown / Other (6.80%) · Generic / unmatched (mx*.*) (2.55%) · Proofpoint (1.90%) · Generic / unmatched (mail.*) (1.76%) · Yandex 360 (1.67%) · Cloudflare Email Routing (1.63%) · Mimecast (1.52%)
Showing 99 of 99 domains.