263 Mail (CN) email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 14, 2026), 263 Mail (CN) is the mailbox provider for 114 domains — 0.02% of 674,487 domains with MX records. Its strongest TLD is .com (57.9% of its domains). Detection: primary MX record (lowest preference).
Last updated from the 2026-09-14 DNS snapshot.
What 263 Mail (CN) represents in this dataset
263 Networks corporate mail, China B2B.
Directory category: Mailbox. The classification comes from primary MX record (lowest preference). It describes observed DNS infrastructure, not a commercial relationship and not the placement of any individual message.
What the 2026-09-14 snapshot shows about 263 Mail (CN)
Across 8 distinct TLDs its top three are .com (57.9%), .cn (21.1%), .com.cn (10.5%) — together 89.5% of the 114 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 Mailgun (ESP, 3 domains, 2.6% of them), followed by MailerLite (1.8%). Directly comparable by the same detection rule: Self-Hosted, Google Workspace, Microsoft 365. Ranking between them reflects what is published in DNS, not delivery quality or volume sent. All figures come from a single daily DNS snapshot (2026-09-14); a domain appears here when its published records match the primary MX record (lowest preference) rule, which is an infrastructure fact, not a commercial relationship.
Commonly used together with 263 Mail (CN)
What else the same 114 domains use — cross-tabulated from the same daily snapshot (2026-09-14).
| Type | Service | Domains | Share of 263 Mail (CN) users |
|---|---|---|---|
| ESP | Mailgun | 3 | 2.6% |
| ESP | MailerLite | 2 | 1.8% |
| ESP | SendCloud (China) | 2 | 1.8% |
| ESP | AWeber | 1 | 0.9% |
| ESP | Elastic Email | 1 | 0.9% |
| ESP | SendGrid (Twilio) | 1 | 0.9% |
TLD distribution (top 8 of 8)
Frequently asked questions
How many domains use 263 Mail (CN)?
114 domains in the Tranco top-1M use 263 Mail (CN) as their mailbox provider as of September 14, 2026, according to Live Direct Marketing's daily DNS scan.
What is 263 Mail (CN)'s market share?
263 Mail (CN) holds 0.02% of domains with MX records in the Tranco top-1M (snapshot of 2026-09-14). The number is recomputed every day.
What are the biggest alternatives to 263 Mail (CN)?
The largest mailbox providers in the same category by Tranco top-1M share are: Self-Hosted, Google Workspace, Microsoft 365, Unknown / Other, Generic / unmatched (mx*.*) (as of 2026-09-14).
Largest mailbox providers in this category
Self-Hosted (22.46%) · Google Workspace (21.60%) · Microsoft 365 (16.95%) · Unknown / Other (6.60%) · Generic / unmatched (mx*.*) (2.54%) · Generic / unmatched (mail.*) (1.94%) · Proofpoint (1.86%) · Cloudflare Email Routing (1.76%) · Yandex 360 (1.62%) · Mimecast (1.46%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 114 domains.