PR Newswire email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 11, 2026), PR Newswire is the email service provider (ESP) for 237 domains — 0.04% of 631,089 SPF-publishing domains. Its strongest TLD is .com (39.2% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-11 DNS snapshot.
What PR Newswire represents in this dataset
Cision-owned press release distribution.
Directory category: Saas. 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 2026-09-11 snapshot shows about PR Newswire
Across 22 distinct TLDs its top three are .com (39.2%), .org (34.6%), .de (8.0%) — together 81.9% of the 237 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 Microsoft 365 (Mailbox, 128 domains, 54.0% of them), followed by Google Workspace (15.2%). 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 (2026-09-11); 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 PR Newswire
What else the same 237 domains use — cross-tabulated from the same daily snapshot (2026-09-11).
| Type | Service | Domains | Share of PR Newswire users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 128 | 54.0% |
| Mailbox | Google Workspace | 36 | 15.2% |
| Mailbox | Mimecast | 19 | 8.0% |
| Mailbox | Proofpoint | 12 | 5.1% |
| Mailbox | Barracuda | 8 | 3.4% |
| Mailbox | Unknown / Other | 7 | 3.0% |
| ESP | Mailchimp | 38 | 16.0% |
| ESP | HubSpot | 36 | 15.2% |
| ESP | Amazon SES | 35 | 14.8% |
| ESP | SendGrid (Twilio) | 33 | 13.9% |
TLD distribution (top 22 of 22)
Frequently asked questions
How many domains use PR Newswire?
237 domains in the Tranco top-1M use PR Newswire as their email service provider (ESP) as of September 11, 2026, according to Live Direct Marketing's daily DNS scan.
What is PR Newswire's market share?
PR Newswire holds 0.04% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-11). The number is recomputed every day.
What are the biggest alternatives to PR Newswire?
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 2026-09-11).
Largest email service provider (ESP)s in this category
Amazon SES (6.17%) · SendGrid (Twilio) (4.63%) · Mailgun (4.00%) · Zendesk (3.76%) · Mailchimp (3.56%) · Mandrill (3.24%) · HubSpot (3.10%) · Salesforce (2.54%) · Mailjet (Sinch) (2.12%) · Cloudflare Email Routing (1.93%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 237 domains.