According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), vshosting (CZ) is the mailbox provider for 145 domains — 0.02% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).
vshosting is a Czech mailbox provider operating within the regional email infrastructure ecosystem. It serves a geographically distributed customer base across many top-level domains, with particular concentration on .cz registrations, and is characteristically found alongside other Czech email services such as Heureka Mailing.
Because vshosting occupies the long tail of email infrastructure rather than the ranks of the largest global ISPs, it tends to be under-tested in standard deliverability workflows. However, its footprint across international TLDs—and especially its presence in Czechia—makes it material to anyone with substantial traffic destined for Czech recipients. Regional mailbox providers can enforce different authentication and filtering standards than the global majors, creating blind spots for senders who test only against the largest players.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 0.7% |
| Top 100,000 | 14 | 9.7% |
| Top 1,000,000 | 108 | 74.5% |
| Unranked | 22 | 15.2% |
| TLD | Domains | Share | |
|---|---|---|---|
| .cz | 48 | 33.1% | |
| .com | 18 | 12.4% | |
| .sk | 14 | 9.7% | |
| .ro | 8 | 5.5% | |
| .hu | 6 | 4.1% | |
| .de | 5 | 3.4% | |
| .pl | 5 | 3.4% | |
| .si | 4 | 2.8% | |
| .es | 3 | 2.1% | |
| .eu | 3 | 2.1% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 145 domains.
| Type | Service | Domains | Share of vshosting (CZ) users |
|---|---|---|---|
| ESP | Heureka Mailing (CZ) | 17 | 11.7% |
| ESP | Brevo (ex-Sendinblue) | 15 | 10.3% |
| ESP | Amazon SES | 15 | 10.3% |
| ESP | Mailchimp | 11 | 7.6% |
| ESP | SparkPost | 11 | 7.6% |
| ESP | SmartEmailing | 5 | 3.4% |
| ESP | Mailgun | 5 | 3.4% |
| ESP | Zendesk | 4 | 2.8% |
| ESP | Mandrill | 3 | 2.1% |
| ESP | Mailkit | 3 | 2.1% |
vshosting's position within the Czech hosting ecosystem, commonly observed alongside Heureka Mailing, reflects shared infrastructure heritage and filtering standards particular to that region. Senders with Czech market exposure should verify deliverability explicitly against vshosting rather than rely on results from testing against major international providers. Regional providers may enforce different SPF, DKIM, and DMARC validation practices, content-filtering thresholds, or spam-folder classification logic that won't surface in global sender best practices alone.
See the full vshosting (CZ) data page (KPI cards, trend, sample domains) →
If your audience is primarily outside Czech Republic, vshosting may be low priority; however, any meaningful traffic to Czech users or .cz domains warrants explicit testing, because regional providers often enforce different authentication and filtering standards than larger international peers.
145 domains in the Tranco top-1M use vshosting (CZ) as their mailbox provider as of July 13, 2026 (0.02% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
vshosting (CZ) accounts for 0.02% 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.
vshosting (CZ)'s largest TLD is .cz (33.1% of its domains); it appears across 33 TLDs in total.