GMX email provider statistics and deliverability context

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According to Live Direct Marketing's daily Tranco top-1M scan (September 13, 2026), GMX is the mailbox provider for 11 domains — 0.00% of 664,797 domains with MX records. Its strongest TLD is .com (18.2% of its domains). Detection: primary MX record (lowest preference).

Last updated from the 2026-09-13 DNS snapshot.

11domains
0.00%of domains with MX records
9distinct TLDs
2026-09-13snapshot (updated daily)

What GMX represents in this dataset

United Internet consumer brand, popular in Germany/Austria.

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 2026-09-13 snapshot shows about GMX

Across 9 distinct TLDs its top three are .com (18.2%), .de (18.2%), .ch (9.1%) — together 45.5% of the 11 domains, which makes the footprint moderately concentrated, with a recognisable home market. 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 (2026-09-13); 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.

TLD distribution (top 9 of 9)

com — 2 (18.2%)
de — 2 (18.2%)
ch — 1 (9.1%)
co.uk — 1 (9.1%)
at — 1 (9.1%)
fr — 1 (9.1%)
es — 1 (9.1%)
net — 1 (9.1%)
us — 1 (9.1%)

Frequently asked questions

How many domains use GMX?

11 domains in the Tranco top-1M use GMX as their mailbox provider as of September 13, 2026, according to Live Direct Marketing's daily DNS scan.

What is GMX's market share?

GMX holds 0.00% of domains with MX records in the Tranco top-1M (snapshot of 2026-09-13). The number is recomputed every day.

What are the biggest alternatives to GMX?

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 2026-09-13).

Largest mailbox providers in this category

Self-Hosted (22.38%) · Google Workspace (21.67%) · Microsoft 365 (16.97%) · Unknown / Other (6.61%) · Generic / unmatched (mx*.*) (2.53%) · Generic / unmatched (mail.*) (1.94%) · Proofpoint (1.88%) · Cloudflare Email Routing (1.75%) · Yandex 360 (1.61%) · Mimecast (1.46%)

Mailbox providers portfolio → · Full daily report →

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Domain sample (top 11 by Tranco rank)

Showing 11 of 11 domains.