Hornetsecurity email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), Hornetsecurity is the mailbox provider for 1,663 domains — 0.25% of 675,489 domains with MX records. Its strongest TLD is .de (40.0% of its domains). Detection: primary MX record (lowest preference).
Last updated from the 2026-09-24 DNS snapshot.
What Hornetsecurity represents in this dataset
European cloud email security suite.
Directory category: Gateway. 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 2026-09-24 snapshot shows about Hornetsecurity
Across 74 distinct TLDs its top three are .de (40.0%), .com (27.1%), .fr (9.3%) — together 76.4% of the 1,663 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 Hornetsecurity (ESP, 1,254 domains, 75.4% of them), followed by Mailjet (Sinch) (9.7%). 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 (2026-09-24); 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 Hornetsecurity
What else the same 1,663 domains use — cross-tabulated from the same daily snapshot (2026-09-24).
| Type | Service | Domains | Share of Hornetsecurity users |
|---|---|---|---|
| ESP | Hornetsecurity | 1,254 | 75.4% |
| ESP | Mailjet (Sinch) | 162 | 9.7% |
| ESP | Amazon SES | 127 | 7.6% |
| ESP | Brevo (ex-Sendinblue) | 102 | 6.1% |
| ESP | Constant Contact | 92 | 5.5% |
| ESP | Mailchimp | 69 | 4.1% |
| ESP | Zendesk | 69 | 4.1% |
| ESP | Salesforce | 66 | 4.0% |
| ESP | HubSpot | 65 | 3.9% |
| ESP | Mailgun | 63 | 3.8% |
TLD distribution (top 30 of 74)
Frequently asked questions
How many domains use Hornetsecurity?
1,663 domains in the Tranco top-1M use Hornetsecurity as their mailbox provider as of September 24, 2026, according to Live Direct Marketing's daily DNS scan.
What is Hornetsecurity's market share?
Hornetsecurity holds 0.25% of domains with MX records in the Tranco top-1M (snapshot of 2026-09-24). The number is recomputed every day.
What are the biggest alternatives to Hornetsecurity?
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 2026-09-24).
Largest mailbox providers in this category
Self-Hosted (22.56%) · Google Workspace (21.58%) · Microsoft 365 (17.03%) · Unknown / Other (6.68%) · Generic / unmatched (mx*.*) (2.53%) · Generic / unmatched (mail.*) (1.93%) · Proofpoint (1.86%) · Cloudflare Email Routing (1.76%) · Yandex 360 (1.67%) · Mimecast (1.47%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 1,663 domains.