Hoster.by (BY) email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), Hoster.by (BY) is the mailbox provider for 302 domains — 0.04% of 675,489 domains with MX records. Its strongest TLD is .by (84.4% of its domains). Detection: primary MX record (lowest preference).
Last updated from the 2026-09-24 DNS snapshot.
What Hoster.by (BY) represents in this dataset
Largest Belarusian hosting/registrar with bundled mail.
Directory category: Hosting. 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.
What the 2026-09-24 snapshot shows about Hoster.by (BY)
Across 17 distinct TLDs its top three are .by (84.4%), .com (5.3%), .net (2.3%) — together 92.1% of the 302 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 Unisender (RU) (ESP, 27 domains, 8.9% of them), followed by SendPulse (4.6%). 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 (2026-09-24); 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.
Commonly used together with Hoster.by (BY)
What else the same 302 domains use — cross-tabulated from the same daily snapshot (2026-09-24).
| Type | Service | Domains | Share of Hoster.by (BY) users |
|---|---|---|---|
| ESP | Unisender (RU) | 27 | 8.9% |
| ESP | SendPulse | 14 | 4.6% |
| ESP | DashaMail (RU) | 3 | 1.0% |
| ESP | SMTP.BZ | 3 | 1.0% |
| ESP | UniOne | 3 | 1.0% |
| ESP | Mindbox | 2 | 0.7% |
| ESP | Mailgun | 2 | 0.7% |
| ESP | eSputnik (UA) | 1 | 0.3% |
| ESP | Amazon SES | 1 | 0.3% |
| ESP | Elastic Email | 1 | 0.3% |
TLD distribution (top 17 of 17)
Frequently asked questions
How many domains use Hoster.by (BY)?
302 domains in the Tranco top-1M use Hoster.by (BY) as their mailbox provider as of September 24, 2026, according to Live Direct Marketing's daily DNS scan.
What is Hoster.by (BY)'s market share?
Hoster.by (BY) holds 0.04% of domains with MX records in the Tranco top-1M (snapshot of 2026-09-24). The number is recomputed every day.
What are the biggest alternatives to Hoster.by (BY)?
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 2026-09-24).
Largest mailbox providers in this category
Self-Hosted (22.56%) · Google Workspace (21.58%) · Microsoft 365 (17.03%) · Unknown / Other (6.68%) · Generic / unmatched (mx*.*) (2.53%) · Generic / unmatched (mail.*) (1.93%) · Proofpoint (1.86%) · Cloudflare Email Routing (1.76%) · Yandex 360 (1.67%) · Mimecast (1.47%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 302 domains.