FORPSI (Internet CZ) email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 11, 2026), FORPSI (Internet CZ) is the mailbox provider for 234 domains — 0.04% of 666,213 domains with MX records. Its strongest TLD is .cz (55.1% of its domains). Detection: primary MX record (lowest preference).
Last updated from the 2026-09-11 DNS snapshot.
What FORPSI (Internet CZ) represents in this dataset
Czech/Italian hosting brand (Internet CZ) with mailbox bundle.
Directory category: Hosting. The classification comes from primary MX record (lowest preference). It describes observed DNS infrastructure, not a commercial relationship and not the placement of any individual message.
What the 2026-09-11 snapshot shows about FORPSI (Internet CZ)
Across 16 distinct TLDs its top three are .cz (55.1%), .com (11.5%), .hu (9.4%) — together 76.1% of the 234 domains, which makes the footprint narrow — three TLDs cover most of it, which is typical of a regional or single-market operator. The service most often observed on the same domains is SmartEmailing (ESP, 12 domains, 5.1% of them), followed by Mailkit (4.3%). Directly comparable by the same detection rule: Self-Hosted, Google Workspace, Microsoft 365. Ranking between them reflects what is published in DNS, not delivery quality or volume sent. All figures come from a single daily DNS snapshot (2026-09-11); a domain appears here when its published records match the primary MX record (lowest preference) rule, which is an infrastructure fact, not a commercial relationship.
Commonly used together with FORPSI (Internet CZ)
What else the same 234 domains use — cross-tabulated from the same daily snapshot (2026-09-11).
| Type | Service | Domains | Share of FORPSI (Internet CZ) users |
|---|---|---|---|
| ESP | SmartEmailing | 12 | 5.1% |
| ESP | Mailkit | 10 | 4.3% |
| ESP | SparkPost | 10 | 4.3% |
| ESP | Mailchimp | 6 | 2.6% |
| ESP | Heureka Mailing (CZ) | 5 | 2.1% |
| ESP | Amazon SES | 3 | 1.3% |
| ESP | SendGrid (Twilio) | 3 | 1.3% |
| ESP | Mailjet (Sinch) | 3 | 1.3% |
| ESP | Mandrill | 3 | 1.3% |
| ESP | MailerLite | 2 | 0.9% |
TLD distribution (top 16 of 16)
Frequently asked questions
How many domains use FORPSI (Internet CZ)?
234 domains in the Tranco top-1M use FORPSI (Internet CZ) as their mailbox provider as of September 11, 2026, according to Live Direct Marketing's daily DNS scan.
What is FORPSI (Internet CZ)'s market share?
FORPSI (Internet CZ) holds 0.04% of domains with MX records in the Tranco top-1M (snapshot of 2026-09-11). The number is recomputed every day.
What are the biggest alternatives to FORPSI (Internet CZ)?
The largest mailbox providers in the same category by Tranco top-1M share are: Self-Hosted, Google Workspace, Microsoft 365, Unknown / Other, Generic / unmatched (mx*.*) (as of 2026-09-11).
Largest mailbox providers in this category
Self-Hosted (22.45%) · Google Workspace (21.65%) · Microsoft 365 (16.96%) · Unknown / Other (6.58%) · Generic / unmatched (mx*.*) (2.53%) · Generic / unmatched (mail.*) (1.94%) · Proofpoint (1.88%) · Cloudflare Email Routing (1.74%) · Yandex 360 (1.61%) · Mimecast (1.46%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 234 domains.