According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Jellyfish (Namecheap) is the mailbox provider for 2,903 domains — 0.44% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).
Jellyfish is Namecheap's managed mailbox platform, operated by Namecheap, a major domain registrar and web hosting provider. It is offered as a bundled email service for Namecheap-registered domains.
Jellyfish's footprint sits predominantly in the long tail of smaller websites rather than large enterprises or flagship brands. Its MX presence spans globally across multiple TLDs, with notable concentration on .shop domains. For senders, this means Jellyfish inboxes represent a distributed, heterogeneous audience; for recipients, any filtering or reputation policies Namecheap implements apply broadly across its customer base.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 2 | 0.1% |
| Top 100,000 | 50 | 1.7% |
| Top 1,000,000 | 1,515 | 52.2% |
| Unranked | 1,336 | 46.0% |
| TLD | Domains | Share | |
|---|---|---|---|
| .shop | 1,174 | 40.4% | |
| .com | 909 | 31.3% | |
| .xyz | 139 | 4.8% | |
| .org | 79 | 2.7% | |
| .net | 76 | 2.6% | |
| .online | 47 | 1.6% | |
| .in | 43 | 1.5% | |
| .site | 35 | 1.2% | |
| .pk | 22 | 0.8% | |
| .co | 20 | 0.7% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 2,903 domains.
| Type | Service | Domains | Share of Jellyfish (Namecheap) users |
|---|---|---|---|
| ESP | Namecheap Forwarding | 7 | 0.2% |
| ESP | Cloudflare Email Routing | 6 | 0.2% |
| ESP | Mailgun | 4 | 0.1% |
| ESP | Elastic Email | 4 | 0.1% |
| ESP | Mailjet (Sinch) | 3 | 0.1% |
| ESP | SendGrid (Twilio) | 3 | 0.1% |
| ESP | IPzMarketing | 3 | 0.1% |
| ESP | MailerSend | 2 | 0.1% |
| ESP | Turbo-SMTP | 1 | 0.0% |
| ESP | StackMail | 1 | 0.0% |
Jellyfish is frequently paired with Namecheap Forwarding in the MX records of smaller registrant sites. This bundling reflects shared infrastructure or contract terms, meaning mail destined for a Jellyfish inbox may also be subject to Namecheap Forwarding policies and reputation signals. Senders should expect this coupling when troubleshooting delivery to Namecheap-hosted domains.
See the full Jellyfish (Namecheap) data page (KPI cards, trend, sample domains) →
If your audience includes Namecheap-registered sites, particularly .shop domains, testing against Jellyfish inboxes is sensible. However, focus on Tier-1 providers first given Jellyfish's position in the long tail.
2,903 domains in the Tranco top-1M use Jellyfish (Namecheap) as their mailbox provider as of July 13, 2026 (0.44% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
Jellyfish (Namecheap) accounts for 0.44% of domains with MX records in the top 1M. Whether you should seed a test mailbox there depends on how much of your audience it represents — the co-usage table above shows the services it appears alongside most.
Jellyfish (Namecheap) is declining — its share moved -0.02 pp over the last 30 days (as of July 13, 2026).
Jellyfish (Namecheap)'s largest TLD is .shop (40.4% of its domains); it appears across 120 TLDs in total.