MarkMonitor (corporate) email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 13, 2026), MarkMonitor (corporate) is the mailbox provider for 127 domains — 0.02% of 664,797 domains with MX records. Its strongest TLD is .de (67.7% of its domains). Detection: primary MX record (lowest preference).
Last updated from the 2026-09-13 DNS snapshot.
What MarkMonitor (corporate) represents in this dataset
Clarivate brand-protection registrar (Fortune-500 customers).
Directory category: Corporate. 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 2026-09-13 snapshot shows about MarkMonitor (corporate)
Across 17 distinct TLDs its top three are .de (67.7%), .com (15.0%), .us (3.1%) — together 85.8% of the 127 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 Mandrill (ESP, 1 domains, 0.8% of them). 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 (2026-09-13); 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 MarkMonitor (corporate)
What else the same 127 domains use — cross-tabulated from the same daily snapshot (2026-09-13).
| Type | Service | Domains | Share of MarkMonitor (corporate) users |
|---|---|---|---|
| ESP | Mandrill | 1 | 0.8% |
TLD distribution (top 17 of 17)
Frequently asked questions
How many domains use MarkMonitor (corporate)?
127 domains in the Tranco top-1M use MarkMonitor (corporate) as their mailbox provider as of September 13, 2026, according to Live Direct Marketing's daily DNS scan.
What is MarkMonitor (corporate)'s market share?
MarkMonitor (corporate) holds 0.02% of domains with MX records in the Tranco top-1M (snapshot of 2026-09-13). The number is recomputed every day.
What are the biggest alternatives to MarkMonitor (corporate)?
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 2026-09-13).
Largest mailbox providers in this category
Self-Hosted (22.38%) · Google Workspace (21.67%) · Microsoft 365 (16.97%) · Unknown / Other (6.61%) · Generic / unmatched (mx*.*) (2.53%) · Generic / unmatched (mail.*) (1.94%) · Proofpoint (1.88%) · Cloudflare Email Routing (1.75%) · Yandex 360 (1.61%) · Mimecast (1.46%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 127 domains.