Hornetsecurity email provider statistics and deliverability context
← Email Stats homeesp
According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), Hornetsecurity is the email service provider (ESP) for 1,819 domains — 0.29% of 637,420 SPF-publishing domains. Its strongest TLD is .de (39.4% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-24 DNS snapshot.
What Hornetsecurity represents in this dataset
German cloud email security (Vade group).
Directory category: Gateway. The classification comes from include: mechanisms in the SPF record. 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 88 distinct TLDs its top three are .de (39.4%), .com (26.4%), .fr (8.6%) — together 74.4% of the 1,819 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 (Mailbox, 1,254 domains, 68.9% of them), followed by Microsoft 365 (10.1%). Directly comparable by the same detection rule: Amazon SES, SendGrid (Twilio), Mailgun. 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 include: mechanisms in the SPF record rule, which is an infrastructure fact, not a commercial relationship.
Commonly used together with Hornetsecurity
What else the same 1,819 domains use — cross-tabulated from the same daily snapshot (2026-09-24).
| Type | Service | Domains | Share of Hornetsecurity users |
|---|---|---|---|
| Mailbox | Hornetsecurity | 1,254 | 68.9% |
| Mailbox | Microsoft 365 | 184 | 10.1% |
| Mailbox | Hornetsecurity (AntispamEurope) | 146 | 8.0% |
| Mailbox | Unknown / Other | 74 | 4.1% |
| Mailbox | Google Workspace | 32 | 1.8% |
| Mailbox | Vade Secure Cloud | 25 | 1.4% |
| ESP | Mailjet (Sinch) | 191 | 10.5% |
| ESP | Amazon SES | 152 | 8.4% |
| ESP | Brevo (ex-Sendinblue) | 124 | 6.8% |
| ESP | Constant Contact | 113 | 6.2% |
TLD distribution (top 30 of 88)
Frequently asked questions
How many domains use Hornetsecurity?
1,819 domains in the Tranco top-1M use Hornetsecurity as their email service provider (ESP) as of September 24, 2026, according to Live Direct Marketing's daily DNS scan.
What is Hornetsecurity's market share?
Hornetsecurity holds 0.29% of SPF-publishing domains 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 email service provider (ESP)s in the same category by Tranco top-1M share are: Amazon SES, SendGrid (Twilio), Mailgun, Zendesk, Mailchimp (as of 2026-09-24).
Largest email service provider (ESP)s in this category
Amazon SES (6.23%) · SendGrid (Twilio) (4.68%) · Mailgun (4.01%) · Zendesk (3.77%) · Mailchimp (3.61%) · Mandrill (3.26%) · HubSpot (3.18%) · Salesforce (2.57%) · Mailjet (Sinch) (2.14%) · Cloudflare Email Routing (1.96%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 1,819 domains.