Uhserver / Tucows shared email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 14, 2026), Uhserver / Tucows shared is the mailbox provider for 173 domains — 0.03% of 674,487 domains with MX records. Its strongest TLD is .com.br (86.7% of its domains). Detection: primary MX record (lowest preference).
Last updated from the 2026-09-14 DNS snapshot.
What Uhserver / Tucows shared represents in this dataset
Shared mailbox infra used by various resellers (uhserver.com).
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 2026-09-14 snapshot shows about Uhserver / Tucows shared
Across 5 distinct TLDs its top three are .com.br (86.7%), .com (7.5%), .br (4.0%) — together 98.3% of the 173 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 SendGrid (Twilio) (ESP, 15 domains, 8.7% of them), followed by RD Station (BR) (5.8%). 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 (2026-09-14); 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 Uhserver / Tucows shared
What else the same 173 domains use — cross-tabulated from the same daily snapshot (2026-09-14).
| Type | Service | Domains | Share of Uhserver / Tucows shared users |
|---|---|---|---|
| ESP | SendGrid (Twilio) | 15 | 8.7% |
| ESP | RD Station (BR) | 10 | 5.8% |
| ESP | Amazon SES | 6 | 3.5% |
| ESP | Brevo (ex-Sendinblue) | 3 | 1.7% |
| ESP | Mailgun | 3 | 1.7% |
| ESP | MailerSend | 3 | 1.7% |
| ESP | Akna | 2 | 1.2% |
| ESP | Elastic Email | 2 | 1.2% |
| ESP | SendPulse | 2 | 1.2% |
| ESP | KMITD (TH) | 2 | 1.2% |
TLD distribution (top 5 of 5)
Frequently asked questions
How many domains use Uhserver / Tucows shared?
173 domains in the Tranco top-1M use Uhserver / Tucows shared as their mailbox provider as of September 14, 2026, according to Live Direct Marketing's daily DNS scan.
What is Uhserver / Tucows shared's market share?
Uhserver / Tucows shared holds 0.03% of domains with MX records in the Tranco top-1M (snapshot of 2026-09-14). The number is recomputed every day.
What are the biggest alternatives to Uhserver / Tucows shared?
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 2026-09-14).
Largest mailbox providers in this category
Self-Hosted (22.46%) · Google Workspace (21.60%) · Microsoft 365 (16.95%) · Unknown / Other (6.60%) · Generic / unmatched (mx*.*) (2.54%) · Generic / unmatched (mail.*) (1.94%) · Proofpoint (1.86%) · Cloudflare Email Routing (1.76%) · Yandex 360 (1.62%) · Mimecast (1.46%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 173 domains.