mailbox
According to Live Direct Marketing's daily Tranco top-1M scan (July 26, 2026), Jellyfish (Namecheap) is the mailbox provider for 2,765 domains — 0.41% of 667,887 domains with MX records. Over the last 30 days its share grew by 0.01 pp. Its strongest TLD is .shop (43.4% of its domains). Detection: primary MX record (lowest preference).
Last updated from the 2026-07-26 DNS snapshot.
Namecheap internal cluster name (jellyfish.systems).
Directory category: Hosting. 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.
Across 121 distinct TLDs its top three are .shop (43.4%), .com (29.4%), .xyz (4.5%) — together 77.3% of the 2,765 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 Namecheap Forwarding (ESP, 8 domains, 0.3% of them), followed by Cloudflare Email Routing (0.2%). Its share of domains with MX records moved +0.01 pp in 30 days — inside the daily noise of list rotation. 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 (2026-07-26); 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.
What else the same 2,765 domains use — cross-tabulated from the same daily snapshot (2026-07-26).
| Type | Service | Domains | Share of Jellyfish (Namecheap) users |
|---|---|---|---|
| ESP | Namecheap Forwarding | 8 | 0.3% |
| ESP | Cloudflare Email Routing | 6 | 0.2% |
| ESP | Mailgun | 4 | 0.1% |
| ESP | Elastic Email | 4 | 0.1% |
| ESP | SendGrid (Twilio) | 3 | 0.1% |
| ESP | Mailjet (Sinch) | 3 | 0.1% |
| ESP | IPzMarketing | 3 | 0.1% |
| ESP | MailChannels | 2 | 0.1% |
| ESP | MailerSend | 2 | 0.1% |
| ESP | StackMail | 1 | 0.0% |
2,765 domains in the Tranco top-1M use Jellyfish (Namecheap) as their mailbox provider as of July 26, 2026, according to Live Direct Marketing's daily DNS scan.
Jellyfish (Namecheap) holds 0.41% of domains with MX records in the Tranco top-1M (snapshot of 2026-07-26). The number is recomputed every day.
Jellyfish (Namecheap)'s share grew by 0.01 percentage points over the last 30 days (as of July 26, 2026).
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 2026-07-26).
Self-Hosted (22.75%) · Google Workspace (21.84%) · Microsoft 365 (16.92%) · Unknown / Other (6.80%) · Generic / unmatched (mx*.*) (2.54%) · Proofpoint (1.92%) · Generic / unmatched (mail.*) (1.77%) · Yandex 360 (1.68%) · Cloudflare Email Routing (1.63%) · Mimecast (1.53%)
Showing 100 of 2,765 domains.