According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), iberlayer (ES) is the mailbox provider for 108 domains — 0.02% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).
iberlayer is a mailbox provider operating in the long tail of internet domains, primarily hosting email infrastructure for smaller and mid-market websites concentrated in the .com space. Its footprint reflects a global and US-skewed customer base, positioned distinctly away from the largest enterprise platforms.
For email senders and infrastructure engineers, iberlayer's distribution pattern is noteworthy because it clusters with HubSpot installations, indicating a specific cohort of businesses using integrated CRM-to-email workflows. Understanding where such providers sit in the delivery landscape is essential for realistic testing strategies and for diagnosing mail flow issues in real-world scenarios.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 1 | 0.9% |
| Top 10,000 | 4 | 3.7% |
| Top 100,000 | 26 | 24.1% |
| Top 1,000,000 | 73 | 67.6% |
| Unranked | 4 | 3.7% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 56 | 51.9% | |
| .es | 30 | 27.8% | |
| .cl | 11 | 10.2% | |
| .net | 2 | 1.9% | |
| .com.co | 2 | 1.9% | |
| .com.br | 1 | 0.9% | |
| .mx | 1 | 0.9% | |
| .school | 1 | 0.9% | |
| .com.mx | 1 | 0.9% | |
| .ai | 1 | 0.9% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 108 domains.
| Type | Service | Domains | Share of iberlayer (ES) users |
|---|---|---|---|
| ESP | HubSpot | 6 | 5.6% |
| ESP | Mailjet (Sinch) | 5 | 4.6% |
| ESP | IPzMarketing | 5 | 4.6% |
| ESP | Amazon SES | 5 | 4.6% |
| ESP | SendGrid (Twilio) | 4 | 3.7% |
| ESP | Mailchimp | 4 | 3.7% |
| ESP | Mailgun | 4 | 3.7% |
| ESP | Brevo (ex-Sendinblue) | 4 | 3.7% |
| ESP | Zendesk | 4 | 3.7% |
| ESP | Mandrill | 3 | 2.8% |
iberlayer's presence is concentrated among smaller and mid-market businesses, particularly those using HubSpot. If your sending strategy targets or intersects with this segment, direct testing against iberlayer is more informative than extrapolating from enterprise-grade providers alone. This long-tail positioning also means iberlayer's infrastructure, filtering logic, and handling of email traffic patterns may differ significantly from larger carriers, making it a necessary inclusion in representative test coverage.
See the full iberlayer (ES) data page (KPI cards, trend, sample domains) →
Yes, if you send to SMBs or HubSpot-using businesses; iberlayer represents a meaningful portion of real-world recipient infrastructure in that segment. For enterprise-only campaigns, it may be lower priority.
108 domains in the Tranco top-1M use iberlayer (ES) 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.
iberlayer (ES) 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.
iberlayer (ES)'s largest TLD is .com (51.9% of its domains); it appears across 12 TLDs in total.