Nic.ru mailbox provider
According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), Nic.ru is the mailbox provider for 81 domains — 0.01% of 675,489 domains with MX records. Detection method: primary MX record (lowest preference).
Key facts
- 81 domains in the Tranco top-1M use Nic.ru (0.01% of domains with MX records).
- Snapshot date: 2026-09-24 — recomputed every day.
- Strongest TLD: .ru (72.8% of its domains).
- Region skew: Russia.
- Most co-used service: Sendsay.
- Directory category: hosting mail bundle.
Why Nic.ru appears in this category
Russia's historical .ru registrar (RU-CENTER).
We classify it as a hosting mail bundle from primary MX record (lowest preference) matching a maintained provider rule. This is infrastructure attribution from public DNS, not evidence of a direct contract or exclusive use.
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 band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 0 | 0.0% |
| Top 100,000 | 3 | 3.7% |
| Top 1,000,000 | 77 | 95.1% |
| Unranked | 1 | 1.2% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .ru | 59 | 72.8% | |
| .com | 8 | 9.9% | |
| .net | 2 | 2.5% | |
| .xn--p1ai | 2 | 2.5% | |
| .space | 2 | 2.5% | |
| .si | 1 | 1.2% | |
| .de | 1 | 1.2% | |
| .im | 1 | 1.2% | |
| .rest | 1 | 1.2% | |
| .media | 1 | 1.2% |
What Nic.ru users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 81 domains.
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?
81 domains in the Tranco top-1M use Nic.ru as their mailbox provider as of September 24, 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 (72.8% of its domains); it appears across 13 TLDs in total.