Porkbun email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), Porkbun is the email service provider (ESP) for 331 domains — 0.05% of 637,420 SPF-publishing domains. Its strongest TLD is .com (60.4% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-24 DNS snapshot.
What Porkbun represents in this dataset
Porkbun registrar SPF and email forwarding.
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 2026-09-24 snapshot shows about Porkbun
Across 57 distinct TLDs its top three are .com (60.4%), .net (6.9%), .org (3.0%) — together 70.4% of the 331 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 Porkbun Email Forwarding (Mailbox, 283 domains, 85.5% of them), followed by Google Workspace (3.6%). 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 Porkbun
What else the same 331 domains use — cross-tabulated from the same daily snapshot (2026-09-24).
| Type | Service | Domains | Share of Porkbun users |
|---|---|---|---|
| Mailbox | Porkbun Email Forwarding | 283 | 85.5% |
| Mailbox | Google Workspace | 12 | 3.6% |
| Mailbox | Self-Hosted | 4 | 1.2% |
| Mailbox | Cloudflare Email Routing | 3 | 0.9% |
| Mailbox | Unknown / Other | 2 | 0.6% |
| Mailbox | iCloud Mail | 2 | 0.6% |
| ESP | Brevo (ex-Sendinblue) | 4 | 1.2% |
| ESP | Amazon SES | 3 | 0.9% |
| ESP | Cloudflare Email Routing | 3 | 0.9% |
| ESP | Mailjet (Sinch) | 2 | 0.6% |
TLD distribution (top 30 of 57)
Frequently asked questions
How many domains use Porkbun?
331 domains in the Tranco top-1M use Porkbun as their email service provider (ESP) as of September 24, 2026, according to Live Direct Marketing's daily DNS scan.
What is Porkbun's market share?
Porkbun holds 0.05% 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 Porkbun?
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 331 domains.