Zenbox / cyber_Folks (PL) mailbox provider
According to Live Direct Marketing's daily Tranco top-1M scan (September 16, 2026), Zenbox / cyber_Folks (PL) is the mailbox provider for 108 domains — 0.02% of 672,143 domains with MX records. Detection method: primary MX record (lowest preference).
Key facts
- 108 domains in the Tranco top-1M use Zenbox / cyber_Folks (PL) (0.02% of domains with MX records).
- Snapshot date: 2026-09-16 — recomputed every day.
- Strongest TLD: .pl (74.1% of its domains).
- Region skew: Poland.
- Most co-used service: MailerLite.
- Directory category: hosting mail bundle.
Why Zenbox / cyber_Folks (PL) appears in this category
Polish hosting brand, part of cyber_Folks group.
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.
Zenbox is a mailbox hosting service operated by cyber_Folks, a Polish email infrastructure provider. It serves primarily smaller businesses and regional organisations in Poland, appearing as a mail server destination for domains registered in the .pl namespace.
Its presence in the email landscape is concentrated in the long tail of smaller sites rather than major global brands, with strong geographical skew towards Poland. Anyone sending mail to Polish-registered domains or testing against regional Eastern European providers will encounter Zenbox; it often appears alongside MailerSend in the provider ecosystem, particularly for smaller organisations that co-host their email infrastructure.
Where Zenbox / cyber_Folks (PL) 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 | 2 | 1.9% |
| Top 1,000,000 | 102 | 94.4% |
| Unranked | 4 | 3.7% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .pl | 80 | 74.1% | |
| .com | 11 | 10.2% | |
| .eu | 6 | 5.6% | |
| .com.pl | 3 | 2.8% | |
| .info | 3 | 2.8% | |
| .pro | 1 | 0.9% | |
| .shop | 1 | 0.9% | |
| .net | 1 | 0.9% | |
| .ie | 1 | 0.9% | |
| .tv | 1 | 0.9% |
What Zenbox / cyber_Folks (PL) users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 108 domains.
| Type | Service | Domains | Share of Zenbox / cyber_Folks (PL) users |
|---|---|---|---|
| ESP | MailerLite | 12 | 11.1% |
| ESP | EmailLabs (PL) | 6 | 5.6% |
| ESP | SALESmanago (PL) | 4 | 3.7% |
| ESP | SendGrid (Twilio) | 4 | 3.7% |
| ESP | IAI-Shop (PL) | 3 | 2.8% |
| ESP | SendPulse | 1 | 0.9% |
| ESP | Mailgun | 1 | 0.9% |
| ESP | Freshdesk | 1 | 0.9% |
| ESP | Customer.io | 1 | 0.9% |
| ESP | Mandrill | 1 | 0.9% |
Testing deliverability to Polish organisations
If you are targeting Polish customers or testing Eastern European market reach, Zenbox appears frequently enough in the .pl namespace to warrant inclusion in a regional testing matrix. Because it sits in the long tail of smaller providers rather than the global tier-one services, it may not be represented equally in mainstream reputation lists or DNSBL databases, making real-world testing more valuable than inference from larger-provider behaviour.
See the full Zenbox / cyber_Folks (PL) data page (KPI cards, trend, sample domains) →
Run a free inbox-placement test across Gmail, Outlook, Yahoo and more — see exactly where your mail lands and why.
Frequently asked questions
Do I need to test email deliverability to Zenbox?
If your recipients include Polish-based organisations or smaller regional businesses, Zenbox is common enough in that market to warrant testing—particularly if your reputation monitoring focuses primarily on global providers and may not capture regional Eastern European mailbox behaviour.
How many domains use Zenbox / cyber_Folks (PL)?
108 domains in the Tranco top-1M use Zenbox / cyber_Folks (PL) as their mailbox provider as of September 16, 2026 (0.02% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
Is Zenbox / cyber_Folks (PL) common enough to affect email deliverability testing?
Zenbox / cyber_Folks (PL) 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.
Which countries or TLDs use Zenbox / cyber_Folks (PL) most?
Zenbox / cyber_Folks (PL)'s largest TLD is .pl (74.1% of its domains); it appears across 10 TLDs in total.