Nic.ru mailbox provider

According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Nic.ru is the mailbox provider for 51 domains — 0.01% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).

Key facts

Nic.ru is the Russian Network Information Center's mail hosting service, providing email infrastructure primarily for organisations operating within the Russian and post-Soviet address space. It serves as the mail provider of record for a significant portion of .ru domain registrations.

Nic.ru's distribution skews heavily towards smaller organisations within Russia rather than global consumer or enterprise brands. Its routine co-occurrence with Sendsay, a Russian email marketing platform, indicates a tight regional ecosystem. This pattern means that senders targeting Russian recipients will encounter Nic.ru as an inbound mail provider, whilst organisations outside that market are unlikely to interact with it regularly.

Where Nic.ru sits in the Tranco ranking

Tranco rank bandDomainsShare of its base
Top 1,00000.0%
Top 10,00012.0%
Top 100,00047.8%
Top 1,000,0003874.5%
Unranked815.7%

Top-level domain split

TLDDomainsShare
.ru3568.6%
.com35.9%
.net23.9%
.xn--p1ai23.9%
.tech12.0%
.media12.0%
.im12.0%
.org12.0%
.si12.0%
.group12.0%

What Nic.ru users also use

Cross-tabulated from the same daily snapshot — the other email services seen on the same 51 domains.

TypeServiceDomainsShare of Nic.ru users
ESPMandrill12.0%
ESPSendsay12.0%

Russian mail infrastructure and sender reputation management

Because Nic.ru dominates mail handling for Russian recipients, senders targeting that region should test and monitor their sender reputation specifically within Nic.ru's systems rather than relying solely on Western mail metrics. Filtering policies, authentication requirements, and acceptance thresholds may differ from global mail standards, reflecting the distinct operational environment of Russian infrastructure.

See the full Nic.ru data page (KPI cards, trend, sample domains) →

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Frequently asked questions

Why should senders test their email against Nic.ru?

Nic.ru is the primary inbound mail provider for Russian recipients and .ru domains. Senders targeting Russia should evaluate their reputation and message acceptance within Nic.ru networks, as it operates with different filtering and delivery standards than Western mail providers.

How many domains use Nic.ru?

51 domains in the Tranco top-1M use Nic.ru as their mailbox provider as of July 13, 2026 (0.01% of domains with MX records), according to Live Direct Marketing's daily DNS scan.

Is Nic.ru common enough to affect email deliverability testing?

Nic.ru accounts for 0.01% 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 Nic.ru most?

Nic.ru's largest TLD is .ru (68.6% of its domains); it appears across 13 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%)