UKR.NET mailbox provider

According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), UKR.NET is the mailbox provider for 8 domains — 0.00% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).

Key facts

UKR.NET is a mailbox provider offering email hosting and infrastructure for organisations across multiple domains and geographies. It operates as a component within the distributed ecosystem of providers handling inbound mail worldwide.

UKR.NET's infrastructure concentrates on high-traffic and enterprise-class organisations, with international spread led by commercial domains. For email senders and deliverability engineers, this pattern makes UKR.NET a material part of the recipient landscape; understanding its role and including it in testing and monitoring strategies is essential to overall campaign performance.

Where UKR.NET sits in the Tranco ranking

Tranco rank bandDomainsShare of its base
Top 1,00000.0%
Top 10,000225.0%
Top 100,000112.5%
Top 1,000,000562.5%
Unranked00.0%

Top-level domain split

TLDDomainsShare
.com337.5%
.ua112.5%
.de112.5%
.net112.5%
.uk112.5%
.pl112.5%

Delivery considerations for enterprise-hosted recipients

Because UKR.NET predominantly hosts high-traffic and well-established organisations, senders must prioritise robust authentication (SPF, DKIM, DMARC) and active monitoring of bounce patterns when targeting UKR.NET-hosted mailboxes. The provider's prominence on enterprise-scale sites means that sender reputation issues—authentication failures, poor list quality, or compliance violations—manifest acutely at UKR.NET and serve as reliable indicators of broader recipient ecosystem problems. Bounce and rejection patterns at this provider warrant close scrutiny as part of a comprehensive deliverability monitoring programme.

See the full UKR.NET data page (KPI cards, trend, sample domains) →

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Frequently asked questions

What is UKR.NET and why does it matter in email deliverability?

UKR.NET is a mailbox provider whose infrastructure hosts a significant portion of high-traffic and enterprise-level organisations. It matters in deliverability because its prevalence on established, high-traffic sites means that delivery success at UKR.NET is a meaningful component of overall campaign performance, and monitoring UKR.NET-specific patterns is essential to maintaining sender reputation.

How many domains use UKR.NET?

8 domains in the Tranco top-1M use UKR.NET as their mailbox provider as of July 13, 2026 (0.00% of domains with MX records), according to Live Direct Marketing's daily DNS scan.

Is UKR.NET common enough to affect email deliverability testing?

UKR.NET accounts for 0.00% of domains with MX records in the top 1M. Whether you should seed a test mailbox there depends on how much of your audience it represents — the co-usage table above shows the services it appears alongside most.

Which countries or TLDs use UKR.NET most?

UKR.NET's largest TLD is .com (37.5% of its domains); it appears across 6 TLDs in total.

Other mailbox providers

Self-Hosted (22.44%)Google Workspace (21.79%)Microsoft 365 (16.74%)Unknown / Other (7.54%)Generic / unmatched (mx*.*) (2.57%)Proofpoint (1.90%)Generic / unmatched (mail.*) (1.75%)Yandex 360 (1.64%)Cloudflare Email Routing (1.60%)Mimecast (1.52%)