ITSFogo mailbox provider

According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), ITSFogo is the mailbox provider for 41 domains — 0.01% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).

Key facts

ITSFogo is a mailbox provider offering email hosting services to organisations worldwide. It appears as a primary MX record across internet domains, functioning as a carrier for business and organisational email rather than consumer accounts.

Its footprint concentrates in the long tail of the top-1M internet — smaller organisations rather than major global brands — spread internationally across multiple TLDs, led by .com, with a Global/US geographic skew. The provider is frequently paired with Zendesk deployments, suggesting adoption in customer-support and ticketing workflows. For senders, this means ITSFogo may appear in mail logs when reaching smaller organisations; for receivers, it signals business-class email that typically enforces strict authentication policies.

Where ITSFogo sits in the Tranco ranking

Tranco rank bandDomainsShare of its base
Top 1,00000.0%
Top 10,00024.9%
Top 100,0001434.1%
Top 1,000,0002561.0%
Unranked00.0%

Top-level domain split

TLDDomainsShare
.com1843.9%
.gr37.3%
.de37.3%
.es37.3%
.it24.9%
.be24.9%
.fr24.9%
.dk12.4%
.ru12.4%
.net12.4%

What ITSFogo users also use

Cross-tabulated from the same daily snapshot — the other email services seen on the same 41 domains.

TypeServiceDomainsShare of ITSFogo users
ESPZendesk3687.8%
ESPUnisender (RU)12.4%
ESPSalesforce Marketing Cloud12.4%

Authentication enforcement for smaller carriers

Because ITSFogo serves smaller and mid-market organisations, it often enforces stricter SPF, DKIM, and DMARC policies than consumer platforms. Testing against it becomes relevant in vertical or regional audits when your recipient base includes smaller businesses or Zendesk-integrated organisations, helping prevent authentication-related bounces in those segments.

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

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Frequently asked questions

What is ITSFogo and why does it matter for email deliverability?

ITSFogo is an email hosting provider for smaller organisations, often paired with Zendesk. Testing deliverability against it matters if your recipients include mid-market or regional businesses, as it typically enforces strict authentication.

How many domains use ITSFogo?

41 domains in the Tranco top-1M use ITSFogo 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 ITSFogo common enough to affect email deliverability testing?

ITSFogo 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 ITSFogo most?

ITSFogo's largest TLD is .com (43.9% of its domains); it appears across 15 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%)