According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), iCloud Mail is the mailbox provider for 384 domains — 0.06% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).
iCloud Mail is Apple's consumer email service, available to anyone with an Apple ID. It is operated by Apple and powers mail domains such as icloud.com, me.com, and mac.com, as well as branded email for paid iCloud+ subscribers.
iCloud Mail's presence in the Tranco top-1M is concentrated in the long tail of smaller, internationally diverse websites rather than the largest global brands — predominantly .com domains with a Global/US skew. Its frequent pairing with Cloudflare Email Routing suggests that senders often encounter iCloud Mail addresses among websites that have chosen lightweight email forwarding solutions, rather than hosting dedicated mailbox infrastructure.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 2 | 0.5% |
| Top 10,000 | 1 | 0.3% |
| Top 100,000 | 23 | 6.0% |
| Top 1,000,000 | 272 | 70.8% |
| Unranked | 86 | 22.4% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 160 | 41.7% | |
| .net | 27 | 7.0% | |
| .org | 19 | 4.9% | |
| .io | 15 | 3.9% | |
| .de | 10 | 2.6% | |
| .dev | 8 | 2.1% | |
| .me | 8 | 2.1% | |
| .app | 7 | 1.8% | |
| .ru | 6 | 1.6% | |
| .co.uk | 5 | 1.3% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 384 domains.
| Type | Service | Domains | Share of iCloud Mail users |
|---|---|---|---|
| ESP | Cloudflare Email Routing | 12 | 3.1% |
| ESP | Mailgun | 8 | 2.1% |
| ESP | MailerSend | 7 | 1.8% |
| ESP | Amazon SES | 6 | 1.6% |
| ESP | Brevo (ex-Sendinblue) | 2 | 0.5% |
| ESP | Mailjet (Sinch) | 2 | 0.5% |
| ESP | Postmark | 2 | 0.5% |
| ESP | Porkbun | 2 | 0.5% |
| ESP | SendGrid (Twilio) | 1 | 0.3% |
| ESP | YMLP | 1 | 0.3% |
iCloud Mail commonly appears alongside Cloudflare Email Routing in the Tranco dataset, often as the final-hop recipient of forwarded mail from smaller domains. This pattern matters for reputation and delivery: email forwarded through Cloudflare's infrastructure arrives at iCloud Mail with the Cloudflare MX chain intact, which may influence how Apple's filters evaluate sender reputation and SPF/DKIM alignment. Senders testing deliverability should account for this relay step when diagnosing bounces or filtering issues involving iCloud Mail addresses from Cloudflare-routed domains.
See the full iCloud Mail data page (KPI cards, trend, sample domains) →
Smaller sites often lack dedicated email infrastructure and choose lightweight forwarding: Cloudflare Email Routing receives mail sent to their domain and forwards it to personal inboxes (frequently iCloud Mail) without maintaining persistent mailboxes. This reduces operational overhead compared to running a mail server.
384 domains in the Tranco top-1M use iCloud Mail as their mailbox provider as of July 13, 2026 (0.06% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
iCloud Mail accounts for 0.06% 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.
iCloud Mail's largest TLD is .com (41.7% of its domains); it appears across 94 TLDs in total.