Technology · Transactional Email
1 websites in the live index use Critsend as of October 2026. Download the full list of Critsend websites with website, company, country and language.
SourceAs of October 28, 2026, TechLeads detects Critsend on 1 website.
Sample results for Critsend. Description is shown under each title.
| Rank | Website | Title · Description | Company | Country | Language |
|---|---|---|---|---|---|
| #1 | csdns.mx | CSDNS.mxDNS services provider or domain related to DNS management in Mexico, likely offering domain registration, hosting, or DNS resolution services. | CSDNS | MX | es |
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The most-used Transactional Email technologies in the TechLeads index, by number of websites.
| No. | Technology | Websites | Share of Transactional Email | Relative size |
|---|---|---|---|---|
| 01 | MailChannels | 167,057 | 88.7% | |
| 02 | SMTP2GO | 8,999 | 4.8% | |
| 03 | BigCommerce Mail | 4,773 | 2.5% | |
| 04 | Mandrill | 3,755 | 2.0% |
TechLeads scans public websites and identifies Critsend from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 28, 2026. Counts only include websites we have scanned, so they can differ from other providers.
The TechLeads live index currently lists 1 websites using Critsend. Open the sample table on this page or download the lead list.
Critsend is not in the HTTP Archive history extract (about 4,000 names). The live TechLeads catalog still tracks it among 12,000+ technologies.
See related technologies and co-occurrence on this page. Historical competitor charts appear when HTTP Archive covers Critsend.
Companies and websites using Critsend in the TechLeads index include csdns.mx. The full list of 1 websites, with company name, country and language, is available as a CSV export.
By number of websites in the TechLeads index, the most-used Transactional Email alternatives to Critsend are MailChannels (167,057), SMTP2GO (8,999), BigCommerce Mail (4,773).
TechLeads scans public websites and matches Critsend by signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily.
Yes. A one-time Critsend dataset is $29 as a CSV. The Growth plan ($79/mo) covers 10 technologies with recurring exports, alerts and API access.
A transaction email provider for web apps.
Our comprehensive database contains 1 websites using Critsend, making it the most complete Critsend sites list available. This Critsend customer websites directory helps businesses detect websites using Critsend and identify potential leads.
Our Critsend technology detection system scans millions of websites to identify those powered by Critsend. This list of sites with Critsend includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with Critsend or exploring Critsend adoption trends, our database provides comprehensive insights.
Each entry in our Critsend sites list includes valuable data points: domain name, global ranking, company information, contact details, social media links. This makes it easy to detect websites using Critsend and reach out to potential customers or partners.
Get instant access to the full list of sites with Critsend in CSV format. Our dataset includes all 1 Critsend customer websites with complete contact information, perfect for lead generation, market research, and competitive analysis. The data is regularly updated to ensure accuracy and includes the latest Critsend powered websites.
