Netcore Cloud email service provider (ESP)

According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Netcore Cloud is the email service provider (ESP) for 148 domains — 0.02% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.

Key facts

Netcore Cloud is an email service provider offering SMTP relay and email delivery infrastructure, related to and often found alongside Netcore, an Indian technology company. It serves smaller businesses, digital agencies, and mid-market organisations seeking to send transactional and marketing email.

The platform's footprint across the web shows concentration in the long tail rather than amongst the largest global brands, predominantly in the .com space. For organisations analysing email traffic or managing inbound filtering, Netcore Cloud's presence signals smaller or mid-market senders; for senders, it represents an option where configuration practices and authentication compliance may vary more widely than with larger, more established ESPs.

Where Netcore Cloud sits in the Tranco ranking

Tranco rank bandDomainsShare of its base
Top 1,00000.0%
Top 10,00074.7%
Top 100,0002617.6%
Top 1,000,0009866.2%
Unranked1711.5%

Top-level domain split

TLDDomainsShare
.com9866.2%
.in2718.2%
.co.in106.8%
.org42.7%
.net42.7%
.travel10.7%
.ca10.7%
.biz10.7%
.co10.7%
.co.uk10.7%

What Netcore Cloud users also use

Cross-tabulated from the same daily snapshot — the other email services seen on the same 148 domains.

TypeServiceDomainsShare of Netcore Cloud users
MailboxNetcore (IN)4429.7%
MailboxGoogle Workspace3523.6%
MailboxMicrosoft 3652919.6%
MailboxSelf-Hosted85.4%
MailboxTrend Micro42.7%
MailboxBarracuda32.0%
ESPSendGrid (Twilio)128.1%
ESPAmazon SES128.1%
ESPSalesforce96.1%
ESPMandrill85.4%

Authentication variability in the long-tail sender base

Because Netcore Cloud's user base skews toward smaller businesses and agencies with varying technical maturity, SPF and DKIM adoption and configuration rigour across its sender base is less uniform than on larger platforms. Recipients observing SPF include: directives pointing to Netcore Cloud infrastructure should expect a wider spectrum of sender authentication practices, since the platform serves organisations at different operational scales with different compliance capabilities and pressures.

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

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Frequently asked questions

Should I test email deliverability against Netcore Cloud?

If your contact list or target audience includes smaller businesses, SMEs, or startup accounts, testing against Netcore Cloud is relevant; however, the provider's long-tail market positioning means it is less critical than testing against tier-one ESPs and major corporate email systems.

How many domains use Netcore Cloud?

148 domains in the Tranco top-1M use Netcore Cloud as their email service provider (ESP) as of July 13, 2026 (0.02% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.

Is Netcore Cloud common enough to affect email deliverability testing?

Netcore Cloud accounts for 0.02% 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 Netcore Cloud most?

Netcore Cloud's largest TLD is .com (66.2% of its domains); it appears across 10 TLDs in total.

Other email service provider (ESP)s

Amazon SES (6.21%)SendGrid (Twilio) (4.76%)Mailgun (4.11%)Zendesk (3.86%)Mailchimp (3.69%)Mandrill (3.36%)HubSpot (3.18%)Salesforce (2.62%)Mailjet (Sinch) (2.13%)Cloudflare Email Routing (1.80%)