UniSender email provider statistics and deliverability context

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According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), UniSender is the email service provider (ESP) for 721 domains — 0.11% of 637,420 SPF-publishing domains. Its strongest TLD is .ru (65.2% of its domains). Detection: include: mechanisms in the SPF record.

Last updated from the 2026-09-24 DNS snapshot.

721domains
0.11%of SPF-publishing domains
67distinct TLDs
2026-09-24snapshot (updated daily)

What UniSender represents in this dataset

UniSender — CIS email marketing platform.

Directory category: Esp. The classification comes from include: mechanisms in the SPF record. It describes observed DNS infrastructure, not a commercial relationship and not the placement of any individual message.

What the 2026-09-24 snapshot shows about UniSender

Across 67 distinct TLDs its top three are .ru (65.2%), .com (12.5%), .by (2.2%) — together 79.9% of the 721 domains, which makes the footprint narrow — three TLDs cover most of it, which is typical of a regional or single-market operator. The service most often observed on the same domains is Yandex 360 (Mailbox, 289 domains, 40.1% of them), followed by Self-Hosted (18.7%). Directly comparable by the same detection rule: Amazon SES, SendGrid (Twilio), Mailgun. Ranking between them reflects what is published in DNS, not delivery quality or volume sent. All figures come from a single daily DNS snapshot (2026-09-24); a domain appears here when its published records match the include: mechanisms in the SPF record rule, which is an infrastructure fact, not a commercial relationship.

Commonly used together with UniSender

What else the same 721 domains use — cross-tabulated from the same daily snapshot (2026-09-24).

TypeServiceDomainsShare of UniSender users
MailboxYandex 36028940.1%
MailboxSelf-Hosted13518.7%
MailboxGoogle Workspace608.3%
MailboxMail.ru for Business588.0%
MailboxUnknown / Other212.9%
MailboxReg.ru192.6%
ESPUnisender (RU)18325.4%
ESPUniOne567.8%
ESPSendPulse567.8%
ESPDashaMail (RU)547.5%

TLD distribution (top 30 of 67)

ru — 470 (65.2%)
com — 90 (12.5%)
by — 16 (2.2%)
pro — 11 (1.5%)
io — 11 (1.5%)
net — 10 (1.4%)
org — 8 (1.1%)
su — 5 (0.7%)
online — 5 (0.7%)
ai — 4 (0.6%)
cloud — 4 (0.6%)
kz — 4 (0.6%)
tech — 4 (0.6%)
market — 4 (0.6%)
one — 3 (0.4%)
store — 3 (0.4%)
dev — 3 (0.4%)
me — 2 (0.3%)
media — 2 (0.3%)
world — 2 (0.3%)
xn--p1ai — 2 (0.3%)
global — 2 (0.3%)
investments — 2 (0.3%)
work — 2 (0.3%)
ae — 2 (0.3%)
site — 2 (0.3%)
info — 2 (0.3%)
coffee — 2 (0.3%)
shop — 2 (0.3%)
ws — 2 (0.3%)

Frequently asked questions

How many domains use UniSender?

721 domains in the Tranco top-1M use UniSender as their email service provider (ESP) as of September 24, 2026, according to Live Direct Marketing's daily DNS scan.

What is UniSender's market share?

UniSender holds 0.11% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-24). The number is recomputed every day.

What are the biggest alternatives to UniSender?

The largest email service provider (ESP)s in the same category by Tranco top-1M share are: Amazon SES, SendGrid (Twilio), Mailgun, Zendesk, Mailchimp (as of 2026-09-24).

Largest email service provider (ESP)s in this category

Amazon SES (6.23%) · SendGrid (Twilio) (4.68%) · Mailgun (4.01%) · Zendesk (3.77%) · Mailchimp (3.61%) · Mandrill (3.26%) · HubSpot (3.18%) · Salesforce (2.57%) · Mailjet (Sinch) (2.14%) · Cloudflare Email Routing (1.96%)

ESP / mailing services portfolio → · Full daily report →

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Domain sample (top 100 by Tranco rank)

Showing 100 of 721 domains.