According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), MarkMonitor (corporate) is the mailbox provider for 112 domains — 0.02% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).
MarkMonitor (corporate) functions as a mailbox provider, appearing as the primary MX record for sites that choose it for email hosting. It is most prevalent among smaller to mid-market sites rather than the largest global brands.
The concentration of MarkMonitor usage in the .de domain space and German-market infrastructure means senders and recipients engaged with that regional segment may encounter it regularly. When MarkMonitor appears alongside Mandrill (MailChimp's transactional email service), it often signals a hybrid setup where the site manages user mailboxes via MarkMonitor whilst routing transactional mail through Mandrill.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 0 | 0.0% |
| Top 100,000 | 0 | 0.0% |
| Top 1,000,000 | 106 | 94.6% |
| Unranked | 6 | 5.4% |
| TLD | Domains | Share | |
|---|---|---|---|
| .de | 86 | 76.8% | |
| .com | 12 | 10.7% | |
| .net | 2 | 1.8% | |
| .us | 2 | 1.8% | |
| .asia | 2 | 1.8% | |
| .cn | 1 | 0.9% | |
| .mx | 1 | 0.9% | |
| .fr | 1 | 0.9% | |
| .pl | 1 | 0.9% | |
| .dk | 1 | 0.9% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 112 domains.
| Type | Service | Domains | Share of MarkMonitor (corporate) users |
|---|---|---|---|
| ESP | Mandrill | 1 | 0.9% |
Sites that use MarkMonitor for user mailboxes and Mandrill for transactional email create a split infrastructure where authentication policies must cover both endpoints. This arrangement is typical of platforms handling both customer-to-customer messaging (via MarkMonitor-hosted inboxes) and system-generated notifications (via Mandrill), requiring distinct sender reputation profiles for each channel.
See the full MarkMonitor (corporate) data page (KPI cards, trend, sample domains) →
MarkMonitor is an email hosting provider used by smaller sites rather than major brands, with particular concentration in the German (.de) domain space. If your audience skews toward German or Central European markets, it is worth including in your deliverability test matrix.
112 domains in the Tranco top-1M use MarkMonitor (corporate) as their mailbox provider as of July 13, 2026 (0.02% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
MarkMonitor (corporate) accounts for 0.02% 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.
MarkMonitor (corporate)'s largest TLD is .de (76.8% of its domains); it appears across 13 TLDs in total.