mailbox
According to Live Direct Marketing's daily Tranco top-1M scan (July 26, 2026), Generic / unmatched (mail.*) is the mailbox provider for 11,793 domains — 1.77% of 667,887 domains with MX records. Over the last 30 days its share grew by 0.04 pp, and -11.28 pp year-over-year. Its strongest TLD is .com (30.5% of its domains). Detection: primary MX record (lowest preference).
Last updated from the 2026-07-26 DNS snapshot.
Hosts named "mail.<apex>" not matching a known operator pattern. Mostly self-hosted long tail.
Directory category: Generic. 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 372 distinct TLDs its top three are .com (30.5%), .de (7.9%), .net (7.0%) — together 45.4% of the 11,793 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is Amazon SES (ESP, 423 domains, 3.6% of them), followed by Mandrill (1.8%). Its share of domains with MX records moved +0.04 pp in 30 days — inside the daily noise of list rotation. Year-over-year the share is -11.28 pp, so the 30-day move is against the longer trend. 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 (2026-07-26); 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 11,793 domains use — cross-tabulated from the same daily snapshot (2026-07-26).
| Type | Service | Domains | Share of Generic / unmatched (mail.*) users |
|---|---|---|---|
| ESP | Amazon SES | 423 | 3.6% |
| ESP | Mandrill | 210 | 1.8% |
| ESP | Zendesk | 175 | 1.5% |
| ESP | Mailjet (Sinch) | 172 | 1.5% |
| ESP | SendGrid (Twilio) | 163 | 1.4% |
| ESP | Mailgun | 158 | 1.3% |
| ESP | Mailchimp | 150 | 1.3% |
| ESP | Brevo (ex-Sendinblue) | 100 | 0.8% |
| ESP | MailerSend | 96 | 0.8% |
| ESP | Unisender (RU) | 73 | 0.6% |
11,793 domains in the Tranco top-1M use Generic / unmatched (mail.*) as their mailbox provider as of July 26, 2026, according to Live Direct Marketing's daily DNS scan.
Generic / unmatched (mail.*) holds 1.77% of domains with MX records in the Tranco top-1M (snapshot of 2026-07-26). The number is recomputed every day.
Generic / unmatched (mail.*)'s share grew by 0.04 percentage points over the last 30 days (as of July 26, 2026).
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 2026-07-26).
Self-Hosted (22.75%) · Google Workspace (21.84%) · Microsoft 365 (16.92%) · Unknown / Other (6.80%) · Generic / unmatched (mx*.*) (2.54%) · Proofpoint (1.92%) · Yandex 360 (1.68%) · Cloudflare Email Routing (1.63%) · Mimecast (1.53%) · Hostinger (1.15%)
Showing 100 of 11,793 domains.