According to Live Direct Marketing's daily Tranco top-1M scan (July 12, 2026), Register.it (IT mailbox) is the mailbox provider for 442 domains — 0.07% of 658,108 domains with MX records. Detection method: primary MX record (lowest preference).
Register.it (IT mailbox) is the email hosting service operated by Register.it, Italy's primary domain registrar and web hosting provider. It provides mailbox infrastructure for Italian organisations seeking local email hosting, typically integrated with .it domain registration and related hosting services.
Register.it's footprint across email infrastructures is distinctly regional and Italian-focused, hosting primarily the long tail of smaller organisations rather than multinational enterprises. Senders commonly encounter it alongside MailUp when reviewing Italian hosting configurations. For those targeting Italian recipients or managing email lists with significant Italian coverage, Register.it's mail handling policies and reputation treatment constitute a separate infrastructure layer whose filtering behaviour is material to overall deliverability outcomes.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 0.2% |
| Top 100,000 | 16 | 3.6% |
| Top 1,000,000 | 307 | 69.5% |
| Unranked | 118 | 26.7% |
| TLD | Domains | Share | |
|---|---|---|---|
| .it | 226 | 51.1% | |
| .com | 130 | 29.4% | |
| .org | 18 | 4.1% | |
| .net | 14 | 3.2% | |
| .eu | 12 | 2.7% | |
| .info | 7 | 1.6% | |
| .de | 3 | 0.7% | |
| .shop | 3 | 0.7% | |
| .news | 3 | 0.7% | |
| .fr | 3 | 0.7% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 442 domains.
| Type | Service | Domains | Share of Register.it (IT mailbox) users |
|---|---|---|---|
| ESP | MailUp | 19 | 4.3% |
| ESP | Mailgun | 13 | 2.9% |
| ESP | Amazon SES | 12 | 2.7% |
| ESP | Brevo (ex-Sendinblue) | 10 | 2.3% |
| ESP | Turbo-SMTP | 7 | 1.6% |
| ESP | Mailjet (Sinch) | 6 | 1.4% |
| ESP | Mandrill | 6 | 1.4% |
| ESP | Mailchimp | 5 | 1.1% |
| ESP | Zendesk | 5 | 1.1% |
| ESP | SendGrid (Twilio) | 4 | 0.9% |
Register.it operates as a distinct reputation and filtering namespace within Italy, separate from global tier-1 mailbox provider networks. For senders targeting Italian recipients, this means reputation established at major international providers does not automatically transfer to Register.it; sender authentication, domain history, and IP reputation must be assessed independently as part of Italian market validation and troubleshooting.
See the full Register.it (IT mailbox) data page (KPI cards, trend, sample domains) →
If your audience includes Italian organisations or smaller Italian business contacts, testing against Register.it is recommended as part of Italian market validation. Register.it operates as a distinct regional mailbox provider whose filtering policies and reputation infrastructure differ from major global providers.
442 domains in the Tranco top-1M use Register.it (IT mailbox) as their mailbox provider as of July 12, 2026 (0.07% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
Register.it (IT mailbox) accounts for 0.07% 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.
Register.it (IT mailbox)'s largest TLD is .it (51.1% of its domains); it appears across 29 TLDs in total.