FeedBlitz email service provider (ESP)
According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), FeedBlitz is the email service provider (ESP) for 82 domains — 0.01% of 637,420 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Key facts
- 82 domains in the Tranco top-1M use FeedBlitz (0.01% of SPF-publishing domains).
- Snapshot date: 2026-09-24 — recomputed every day.
- Strongest TLD: .com (80.5% of its domains).
- Most co-used service: Google Workspace.
- Directory category: email service provider.
Why FeedBlitz appears in this category
Newsletter and RSS-to-email delivery platform.
We classify it as a email service provider from include: mechanisms in the SPF record matching a maintained provider rule. This is infrastructure attribution from public DNS, not evidence of a direct contract or exclusive use.
What the data shows
86.6% of its domains sit outside the top 100,000 — a long-tail footprint spread across smaller sites. Its single largest TLD is .com at 80.5% of its domains — a strong concentration across 9 TLDs overall. The service most often seen alongside it is Google Workspace (mailbox provider), on 46.3% of its domains.
Where FeedBlitz sits in the Tranco ranking
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 0 | 0.0% |
| Top 100,000 | 9 | 11.0% |
| Top 1,000,000 | 71 | 86.6% |
| Unranked | 2 | 2.4% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 66 | 80.5% | |
| .org | 8 | 9.8% | |
| .net | 2 | 2.4% | |
| .com.ar | 1 | 1.2% | |
| .in | 1 | 1.2% | |
| .ca | 1 | 1.2% | |
| .edu | 1 | 1.2% | |
| .blog | 1 | 1.2% | |
| .nl | 1 | 1.2% |
What FeedBlitz users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 82 domains.
| Type | Service | Domains | Share of FeedBlitz users |
|---|---|---|---|
| Mailbox | Google Workspace | 38 | 46.3% |
| Mailbox | Self-Hosted | 11 | 13.4% |
| Mailbox | Microsoft 365 | 10 | 12.2% |
| Mailbox | Cloudflare Email Routing | 3 | 3.7% |
| Mailbox | Rackspace Email | 2 | 2.4% |
| Mailbox | Generic / unmatched (mail.*) | 1 | 1.2% |
| ESP | Mailchimp | 5 | 6.1% |
| ESP | Amazon SES | 5 | 6.1% |
| ESP | SendGrid (Twilio) | 4 | 4.9% |
| ESP | Mailgun | 4 | 4.9% |
See the full FeedBlitz 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
How many domains use FeedBlitz?
82 domains in the Tranco top-1M use FeedBlitz as their email service provider (ESP) as of September 24, 2026 (0.01% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Is FeedBlitz common enough to affect email deliverability testing?
FeedBlitz accounts for 0.01% of SPF-publishing domains 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 FeedBlitz most?
FeedBlitz's largest TLD is .com (80.5% of its domains); it appears across 9 TLDs in total.