UNAS SaaS sender

According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), UNAS is the SaaS sender for 184 domains — 0.03% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.

Key facts

UNAS is a Hungarian-based SaaS platform that sends email on behalf of client domains, integrating with senders' infrastructure via SPF include mechanisms. The platform operates in the email infrastructure layer, handling delivery logistics for organisations that delegate outbound mail to a managed service.

UNAS's footprint concentrates in the long tail—smaller websites rather than the largest international brands—and clusters heavily in the .hu (Hungary) namespace. It frequently appears alongside Self-Hosted sending infrastructure, suggesting it is popular with regional and local businesses that combine managed and on-premises email services. This distribution pattern means that filtering and authentication reputation data for UNAS may reflect primarily regional sender profiles and smaller-scale operations rather than global enterprise benchmarks.

Where UNAS sits in the Tranco ranking

Tranco rank bandDomainsShare of its base
Top 1,00000.0%
Top 10,00000.0%
Top 100,00042.2%
Top 1,000,00014981.0%
Unranked3116.8%

Top-level domain split

TLDDomainsShare
.hu16690.2%
.com73.8%
.de21.1%
.eu21.1%
.ro21.1%
.hr21.1%
.sk10.5%
.it10.5%
.rs10.5%

What UNAS users also use

Cross-tabulated from the same daily snapshot — the other email services seen on the same 184 domains.

TypeServiceDomainsShare of UNAS users
MailboxSelf-Hosted8747.3%
MailboxGoogle Workspace4021.7%
MailboxMicrosoft 3652010.9%
MailboxUnknown / Other137.1%
MailboxGeneric / unmatched (mail.*)105.4%
MailboxGeneric / unmatched (mx*.*)105.4%

Regional Reputation Factors for UNAS-Signed Mail

Because UNAS dominates in .hu domains and the smaller-site cohort, its reputation in global filtering lists and recipient ISP databases tends to be driven by the behaviour of Hungarian and regional senders rather than a global average. Organisations sending through UNAS may find that their deliverability varies significantly by geography and recipient ISP: regions and ISPs with heavy Hungarian traffic may treat UNAS-signed mail more favourably, whilst ISPs that do not regularly encounter Hungarian sender patterns may apply generic SaaS provider filtering or require explicit authentication reinforcement (DKIM, DMARC alignment) to establish trust. This regional skew also means that testing email authentication and reputation against global benchmarks may underestimate the real-world reputation of UNAS in its home market.

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

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Frequently asked questions

How does UNAS affect email deliverability?

UNAS is a managed sending platform concentrated in Hungary and smaller organisations. Its reputation tends to be regional rather than global, so sender reputation and filtering treatment may vary significantly depending on the recipient's geography and whether they regularly encounter UNAS-authenticated mail.

How many domains use UNAS?

184 domains in the Tranco top-1M use UNAS as their SaaS sender as of July 13, 2026 (0.03% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.

Is UNAS common enough to affect email deliverability testing?

UNAS accounts for 0.03% of SPF-publishing domains 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 UNAS most?

UNAS's largest TLD is .hu (90.2% of its domains); it appears across 9 TLDs in total.

Other SaaS senders

Shopify (0.87%)Pardot (Salesforce) (0.79%)CodeTwo Email Signatures 365 (0.71%)KnowBe4 (0.56%)Statuspage (Atlassian) (0.34%)Trustpilot (0.30%)Atlassian (Jira/Confluence) (0.30%)Firebase (Google) (0.29%)BigCommerce (0.22%)Lark / Feishu (0.21%)