Mailgun (inbound) email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), Mailgun (inbound) is the mailbox provider for 2,161 domains — 0.32% of 675,489 domains with MX records. Its share has been stable over the last 30 days. Its strongest TLD is .com (48.9% of its domains). Detection: primary MX record (lowest preference).
Last updated from the 2026-09-24 DNS snapshot.
What Mailgun (inbound) represents in this dataset
Mailgun inbound routing API for receiving.
Directory category: Esp. 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 Mailgun (inbound)
Across 193 distinct TLDs its top three are .com (48.9%), .org (6.8%), .net (5.9%) — together 61.5% of the 2,161 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is Mailgun (ESP, 1,950 domains, 90.2% of them), followed by Amazon SES (2.9%). Its share of domains with MX records has not moved measurably in 30 days. 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 Mailgun (inbound)
What else the same 2,161 domains use — cross-tabulated from the same daily snapshot (2026-09-24).
| Type | Service | Domains | Share of Mailgun (inbound) users |
|---|---|---|---|
| ESP | Mailgun | 1,950 | 90.2% |
| ESP | Amazon SES | 62 | 2.9% |
| ESP | Zendesk | 46 | 2.1% |
| ESP | Mandrill | 40 | 1.9% |
| ESP | SendGrid (Twilio) | 37 | 1.7% |
| ESP | Mailchimp | 32 | 1.5% |
| ESP | Mailjet (Sinch) | 26 | 1.2% |
| ESP | Elastic Email | 19 | 0.9% |
| ESP | Help Scout | 17 | 0.8% |
| ESP | Campaign Monitor | 16 | 0.7% |
TLD distribution (top 30 of 193)
Frequently asked questions
How many domains use Mailgun (inbound)?
2,161 domains in the Tranco top-1M use Mailgun (inbound) as their mailbox provider as of September 24, 2026, according to Live Direct Marketing's daily DNS scan.
What is Mailgun (inbound)'s market share?
Mailgun (inbound) holds 0.32% of domains with MX records in the Tranco top-1M (snapshot of 2026-09-24). The number is recomputed every day.
Is Mailgun (inbound) growing or declining?
Mailgun (inbound)'s share has been stable over the last 30 days (±0.01 pp).
What are the biggest alternatives to Mailgun (inbound)?
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 2,161 domains.