According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), MailerHost shared is the mailbox provider for 59 domains — 0.01% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).
MailerHost shared is a shared email hosting provider—its infrastructure hosts mailboxes for multiple unrelated websites and organisations on common systems and IP addresses. It appears across the internet as the primary mail exchanger for numerous smaller domains, with particular concentration in the .com namespace and a broader global and US-skewed geographical distribution.
Since MailerHost shared serves predominantly smaller sites rather than major enterprise or consumer brands, it represents a significant but diffuse layer of email infrastructure. For email senders targeting recipients on MailerHost shared and for anyone analysing delivery metrics, the provider's shared architecture creates collective reputation dynamics: poor sending or receiving behaviour by any one hosted domain can affect mail handling for others on the same infrastructure, making it important to track delivery performance to this provider separately.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 0 | 0.0% |
| Top 100,000 | 4 | 6.8% |
| Top 1,000,000 | 48 | 81.4% |
| Unranked | 7 | 11.9% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 37 | 62.7% | |
| .net | 8 | 13.6% | |
| .xyz | 2 | 3.4% | |
| .org | 2 | 3.4% | |
| .biz | 2 | 3.4% | |
| .live | 1 | 1.7% | |
| .ai | 1 | 1.7% | |
| .io | 1 | 1.7% | |
| .us | 1 | 1.7% | |
| .it | 1 | 1.7% |
Shared hosting concentrates multiple domains' mail servers and IP addresses into a common pool. This means receiving reputation—and sending reputation—is mutually dependent. If one hosted domain spams recipients, accumulates complaints, or engages in poor practices, the IP addresses and reputation that support it degrade for all other domains on the same provider. Email senders need to monitor delivery to MailerHost shared recipients as a distinct cohort, since problems affecting one domain can suppress acceptance for others sharing the infrastructure.
See the full MailerHost shared data page (KPI cards, trend, sample domains) →
MailerHost shared is a shared email hosting provider used by many smaller websites. It matters because multiple unrelated domains share mail infrastructure and IP reputation—so one domain's poor sending or receiving practices can degrade delivery for others on the same provider.
59 domains in the Tranco top-1M use MailerHost shared as their mailbox provider as of July 13, 2026 (0.01% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
MailerHost shared accounts for 0.01% 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.
MailerHost shared's largest TLD is .com (62.7% of its domains); it appears across 13 TLDs in total.