Stibee email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), Stibee is the email service provider (ESP) for 353 domains — 0.06% of 637,420 SPF-publishing domains. Its strongest TLD is .com (39.7% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-24 DNS snapshot.
What Stibee represents in this dataset
Stibee — Korean newsletter platform.
Directory category: Esp. 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 2026-09-24 snapshot shows about Stibee
Across 27 distinct TLDs its top three are .com (39.7%), .co.kr (24.4%), .kr (14.4%) — together 78.5% of the 353 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 Google Workspace (Mailbox, 202 domains, 57.2% of them), followed by Self-Hosted (15.6%). 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 (2026-09-24); 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 Stibee
What else the same 353 domains use — cross-tabulated from the same daily snapshot (2026-09-24).
| Type | Service | Domains | Share of Stibee users |
|---|---|---|---|
| Mailbox | Google Workspace | 202 | 57.2% |
| Mailbox | Self-Hosted | 55 | 15.6% |
| Mailbox | Microsoft 365 | 25 | 7.1% |
| Mailbox | Unknown / Other | 20 | 5.7% |
| Mailbox | Naver Works Mobile (LINE) | 12 | 3.4% |
| Mailbox | Mailplug (KR) | 9 | 2.5% |
| ESP | Amazon SES | 70 | 19.8% |
| ESP | Zendesk | 23 | 6.5% |
| ESP | Mailgun | 13 | 3.7% |
| ESP | Mailchimp | 12 | 3.4% |
TLD distribution (top 27 of 27)
Frequently asked questions
How many domains use Stibee?
353 domains in the Tranco top-1M use Stibee as their email service provider (ESP) as of September 24, 2026, according to Live Direct Marketing's daily DNS scan.
What is Stibee's market share?
Stibee holds 0.06% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-24). The number is recomputed every day.
What are the biggest alternatives to Stibee?
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 2026-09-24).
Largest email service provider (ESP)s in this category
Amazon SES (6.23%) · SendGrid (Twilio) (4.68%) · Mailgun (4.01%) · Zendesk (3.77%) · Mailchimp (3.61%) · Mandrill (3.26%) · HubSpot (3.18%) · Salesforce (2.57%) · Mailjet (Sinch) (2.14%) · Cloudflare Email Routing (1.96%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 353 domains.