DynDNS Mailhop email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 12, 2026), DynDNS Mailhop is the email service provider (ESP) for 187 domains — 0.03% of 629,828 SPF-publishing domains. Its strongest TLD is .com (48.1% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-12 DNS snapshot.
What DynDNS Mailhop represents in this dataset
Dyn Mailhop — email forwarder/relay.
Directory category: Forwarder. The classification comes from include: mechanisms in the SPF record. It describes observed DNS infrastructure, not a commercial relationship and not the placement of any individual message.
What the 2026-09-12 snapshot shows about DynDNS Mailhop
Across 41 distinct TLDs its top three are .com (48.1%), .org (11.2%), .net (8.0%) — together 67.4% of the 187 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is Microsoft 365 (Mailbox, 59 domains, 31.6% of them), followed by Self-Hosted (18.7%). Directly comparable by the same detection rule: Amazon SES, SendGrid (Twilio), Mailgun. Ranking between them reflects what is published in DNS, not delivery quality or volume sent. All figures come from a single daily DNS snapshot (2026-09-12); a domain appears here when its published records match the include: mechanisms in the SPF record rule, which is an infrastructure fact, not a commercial relationship.
Commonly used together with DynDNS Mailhop
What else the same 187 domains use — cross-tabulated from the same daily snapshot (2026-09-12).
| Type | Service | Domains | Share of DynDNS Mailhop users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 59 | 31.6% |
| Mailbox | Self-Hosted | 35 | 18.7% |
| Mailbox | Unknown / Other | 34 | 18.2% |
| Mailbox | Google Workspace | 16 | 8.6% |
| Mailbox | Barracuda | 9 | 4.8% |
| Mailbox | Generic / unmatched (mx*.*) | 7 | 3.7% |
| ESP | Amazon SES | 16 | 8.6% |
| ESP | SendGrid (Twilio) | 15 | 8.0% |
| ESP | Zendesk | 11 | 5.9% |
| ESP | Mailchimp | 8 | 4.3% |
TLD distribution (top 30 of 41)
Frequently asked questions
How many domains use DynDNS Mailhop?
187 domains in the Tranco top-1M use DynDNS Mailhop as their email service provider (ESP) as of September 12, 2026, according to Live Direct Marketing's daily DNS scan.
What is DynDNS Mailhop's market share?
DynDNS Mailhop holds 0.03% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-12). The number is recomputed every day.
What are the biggest alternatives to DynDNS Mailhop?
The largest email service provider (ESP)s in the same category by Tranco top-1M share are: Amazon SES, SendGrid (Twilio), Mailgun, Zendesk, Mailchimp (as of 2026-09-12).
Largest email service provider (ESP)s in this category
Amazon SES (6.18%) · SendGrid (Twilio) (4.63%) · Mailgun (4.01%) · Zendesk (3.76%) · Mailchimp (3.57%) · Mandrill (3.25%) · HubSpot (3.11%) · Salesforce (2.55%) · Mailjet (Sinch) (2.12%) · Cloudflare Email Routing (1.94%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 187 domains.