According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Active24 (CZ/NO) is the mailbox provider for 46 domains — 0.01% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).
Active24 is a Czech-based mailbox provider and domain registrar serving customers across Central Europe. The company focuses on regional email hosting and domain services rather than competing as a global platform.
Active24's position in the long tail of smaller, non-enterprise sites reflects its regional focus and customer profile. For email professionals, this footprint distribution means Active24-hosted domains are common within the .cz space but represent a smaller subset of overall internet traffic; testing and deliverability optimisation should be calibrated to your actual recipient geography rather than treated as a universal testing requirement.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 0 | 0.0% |
| Top 100,000 | 2 | 4.3% |
| Top 1,000,000 | 33 | 71.7% |
| Unranked | 11 | 23.9% |
| TLD | Domains | Share | |
|---|---|---|---|
| .cz | 24 | 52.2% | |
| .com | 8 | 17.4% | |
| .sk | 4 | 8.7% | |
| .co.uk | 2 | 4.3% | |
| .pl | 1 | 2.2% | |
| .es | 1 | 2.2% | |
| .hr | 1 | 2.2% | |
| .de | 1 | 2.2% | |
| .net | 1 | 2.2% | |
| .eu | 1 | 2.2% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 46 domains.
| Type | Service | Domains | Share of Active24 (CZ/NO) users |
|---|---|---|---|
| ESP | SparkPost | 3 | 6.5% |
| ESP | Heureka Mailing (CZ) | 2 | 4.3% |
| ESP | Mailchimp | 2 | 4.3% |
| ESP | Mandrill | 2 | 4.3% |
| ESP | SmartEmailing | 2 | 4.3% |
| ESP | AuthSMTP | 1 | 2.2% |
| ESP | Mailjet (Sinch) | 1 | 2.2% |
| ESP | Zendesk | 1 | 2.2% |
| ESP | Proofpoint | 1 | 2.2% |
| ESP | Mailgun | 1 | 2.2% |
Active24's position as a regional provider serving smaller sites means its infrastructure and reputation management differ from global ESPs, with implications for how major mailbox operators assess authentication, reputation scoring, and filtering for traffic from its domains—particularly when targeting Czech and Central European recipients.
See the full Active24 (CZ/NO) data page (KPI cards, trend, sample domains) →
If your recipient base includes significant Czech or Central European populations, Active24 is worth including in your testing matrix; for predominantly global audiences, it represents a smaller regional provider and may be lower priority compared to major global mailbox operators.
46 domains in the Tranco top-1M use Active24 (CZ/NO) 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.
Active24 (CZ/NO) 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.
Active24 (CZ/NO)'s largest TLD is .cz (52.2% of its domains); it appears across 12 TLDs in total.