Intermedia mailbox provider
According to Live Direct Marketing's daily Tranco top-1M scan (September 12, 2026), Intermedia is the mailbox provider for 228 domains — 0.03% of 665,310 domains with MX records. Detection method: primary MX record (lowest preference).
Key facts
- 228 domains in the Tranco top-1M use Intermedia (0.03% of domains with MX records).
- Snapshot date: 2026-09-12 — recomputed every day.
- Strongest TLD: .com (77.2% of its domains).
- Region skew: Global / US-skewed.
- Most co-used service: SendGrid (Twilio).
- Directory category: mailbox provider.
Why Intermedia appears in this category
US enterprise hosted Exchange.
We classify it as a mailbox provider from primary MX record (lowest preference) matching a maintained provider rule. This is infrastructure attribution from public DNS, not evidence of a direct contract or exclusive use.
Intermedia is a mailbox provider that operates hosted email infrastructure for smaller organisations, particularly across .com domains with a US-skewed global footprint.
Its presence concentrates in the long tail rather than amongst the largest brands, meaning senders targeting small and medium-sized businesses will regularly encounter Intermedia mailboxes. The frequent pairing of Intermedia with SendGrid suggests these organisations often combine hosted email with external transactional and marketing mail services.
Where Intermedia sits in the Tranco ranking
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 3 | 1.3% |
| Top 100,000 | 19 | 8.3% |
| Top 1,000,000 | 204 | 89.5% |
| Unranked | 2 | 0.9% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 176 | 77.2% | |
| .org | 18 | 7.9% | |
| .net | 18 | 7.9% | |
| .co.uk | 3 | 1.3% | |
| .ca | 3 | 1.3% | |
| .me | 1 | 0.4% | |
| .online | 1 | 0.4% | |
| .wine | 1 | 0.4% | |
| .co | 1 | 0.4% | |
| .services | 1 | 0.4% |
What Intermedia users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 228 domains.
| Type | Service | Domains | Share of Intermedia users |
|---|---|---|---|
| ESP | SendGrid (Twilio) | 23 | 10.1% |
| ESP | Mailgun | 20 | 8.8% |
| ESP | Amazon SES | 17 | 7.5% |
| ESP | Mailchimp | 15 | 6.6% |
| ESP | HubSpot | 13 | 5.7% |
| ESP | Zendesk | 13 | 5.7% |
| ESP | Salesforce | 10 | 4.4% |
| ESP | Mandrill | 10 | 4.4% |
| ESP | Mailjet (Sinch) | 6 | 2.6% |
| ESP | Constant Contact | 5 | 2.2% |
Intermedia in SMB Email Testing
Intermedia's concentration in the small-business segment means it features prominently in SMB-focused deliverability strategies. When testing email delivery to smaller organisations using .com domains, Intermedia often appears as the mailbox provider, particularly in combination with external services such as SendGrid.
See the full Intermedia data page (KPI cards, trend, sample domains) →
Run a free inbox-placement test across Gmail, Outlook, Yahoo and more — see exactly where your mail lands and why.
Frequently asked questions
Should I test against Intermedia?
If your audience includes small and medium-sized businesses, yes. Intermedia's concentration in the SMB .com segment makes it a relevant part of comprehensive deliverability validation.
How many domains use Intermedia?
228 domains in the Tranco top-1M use Intermedia as their mailbox provider as of September 12, 2026 (0.03% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
Is Intermedia common enough to affect email deliverability testing?
Intermedia accounts for 0.03% 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.
Which countries or TLDs use Intermedia most?
Intermedia's largest TLD is .com (77.2% of its domains); it appears across 15 TLDs in total.