According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), IQ.pl (PL) is the mailbox provider for 92 domains — 0.01% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).
IQ.pl is a mailbox provider operating in the Polish email market, serving the .pl domain space as a regional email hosting and inbox service.
Its footprint concentrates in the long tail of smaller sites and regional operations, and is frequently found alongside MailerSend. For senders targeting Polish recipients, IQ.pl represents part of the real regional mailbox landscape; for international-only campaigns, it is lower priority than the major global megaproviders.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 1.1% |
| Top 100,000 | 7 | 7.6% |
| Top 1,000,000 | 73 | 79.3% |
| Unranked | 11 | 12.0% |
| TLD | Domains | Share | |
|---|---|---|---|
| .pl | 65 | 70.7% | |
| .com | 10 | 10.9% | |
| .com.pl | 6 | 6.5% | |
| .de | 3 | 3.3% | |
| .info | 2 | 2.2% | |
| .co.uk | 2 | 2.2% | |
| .co | 1 | 1.1% | |
| .nl | 1 | 1.1% | |
| .ly | 1 | 1.1% | |
| .fr | 1 | 1.1% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 92 domains.
| Type | Service | Domains | Share of IQ.pl (PL) users |
|---|---|---|---|
| ESP | MailerSend | 12 | 13.0% |
| ESP | EmailLabs (PL) | 6 | 6.5% |
| ESP | SALESmanago (PL) | 6 | 6.5% |
| ESP | edrone | 4 | 4.3% |
| ESP | GetResponse | 4 | 4.3% |
| ESP | SparkPost | 2 | 2.2% |
| ESP | Zoho ZeptoMail | 1 | 1.1% |
| ESP | Amazon SES | 1 | 1.1% |
| ESP | IAI-Shop (PL) | 1 | 1.1% |
| ESP | Mailchimp | 1 | 1.1% |
IQ.pl's presence in Poland's long-tail market illustrates a core principle of email deliverability testing: regional providers must be included alongside global tiers, as filtering and authentication practices often differ. For campaigns with Polish recipients—particularly those using common Central European email service providers—testing against IQ.pl helps surface regional inbox issues before they impact production deliverability.
See the full IQ.pl (PL) data page (KPI cards, trend, sample domains) →
Test it if you're targeting Polish recipients or .pl domains; IQ.pl is concentrated in Poland's smaller sites. For international-only campaigns, prioritise global providers instead.
92 domains in the Tranco top-1M use IQ.pl (PL) 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.
IQ.pl (PL) 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.
IQ.pl (PL)'s largest TLD is .pl (70.7% of its domains); it appears across 10 TLDs in total.