FWW shared mailbox provider

According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), FWW shared is the mailbox provider for 62 domains — 0.01% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).

Key facts

FWW shared is a mailbox provider that serves as the primary mail exchange (MX) record for a significant population of smaller websites, concentrated in the .com namespace. It appears across the long tail — independent projects, small businesses, and regional organisations rather than large consumer or enterprise brands.

For senders and deliverability professionals, FWW shared's footprint has direct implications. Inbound mail verifications targeting smaller domains will frequently encounter FWW-hosted accounts; senders reaching these domains should understand that reputation and filtering behaviour on shared infrastructure differ from dedicated providers. The frequent co-occurrence of FWW shared alongside Mailchimp indicates many smaller operations use a split email strategy: transactional or legacy mail via FWW, campaign mail via Mailchimp.

Where FWW shared sits in the Tranco ranking

Tranco rank bandDomainsShare of its base
Top 1,00000.0%
Top 10,00000.0%
Top 100,00034.8%
Top 1,000,0005995.2%
Unranked00.0%

Top-level domain split

TLDDomainsShare
.com5283.9%
.net46.5%
.org34.8%
.club23.2%
.sexy11.6%

What FWW shared users also use

Cross-tabulated from the same daily snapshot — the other email services seen on the same 62 domains.

TypeServiceDomainsShare of FWW shared users
ESPMailchimp11.6%

Reputation isolation and shared infrastructure risk

FWW shared's deployment across many smaller domains means sender reputation necessarily entangles with the provider's overall reputation and, critically, with that of other domains on shared blocks. A single abusive or misconfigured sender in the broader FWW ecosystem can degrade deliverability for legitimate senders on the same shared infrastructure. This is a structural trade-off of shared hosting: low cost and minimal maintenance in exchange for no reputation isolation. Senders reaching FWW-hosted domains should invest carefully in authentication (SPF, DKIM, DMARC) correctness and monitor bounce rates and feedback loops rigorously, since these signals carry heightened weight when sender reputation is shared rather than isolated.

See the full FWW shared data page (KPI cards, trend, sample domains) →

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Frequently asked questions

Should I test email deliverability against FWW shared?

FWW shared hosts many smaller sites, so if your recipient base includes small businesses or regional organisations, you may encounter it in live mail. Including FWW shared in a representative test matrix is less critical than testing against major consumer or enterprise providers, but worthwhile to verify your SPF, DKIM, and DMARC configuration works correctly across shared hosting infrastructure.

How many domains use FWW shared?

62 domains in the Tranco top-1M use FWW shared as their mailbox provider as of July 13, 2026 (0.01% of domains with MX records), according to Live Direct Marketing's daily DNS scan.

Is FWW shared common enough to affect email deliverability testing?

FWW shared accounts for 0.01% 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.

Which countries or TLDs use FWW shared most?

FWW shared's largest TLD is .com (83.9% of its domains); it appears across 5 TLDs in total.

Other mailbox providers

Self-Hosted (22.44%)Google Workspace (21.79%)Microsoft 365 (16.74%)Unknown / Other (7.54%)Generic / unmatched (mx*.*) (2.57%)Proofpoint (1.90%)Generic / unmatched (mail.*) (1.75%)Yandex 360 (1.64%)Cloudflare Email Routing (1.60%)Mimecast (1.52%)