Stripe

Stripe Usage Statistics · Download List of All Websites using Stripe

Stripe makes it easy for developers to accept credit cards on the web.

Checkout Buttons · Payments Processor

Sendgrid

Sendgrid Usage Statistics · Download List of All Websites using Sendgrid

SendGrid's cloud-based email infrastructure provides businesses with email delivery management.

Transactional Email

Postmark

Postmark Usage Statistics · Download List of All Websites using Postmark

Email delivery for web apps.

Transactional Email

MailChimp SPF

MailChimp SPF Usage Statistics · Download List of All Websites using MailChimp SPF

This site has an SPF record for MailChimp managed email sending.

Campaign Management

SPF

SPF Usage Statistics · Download List of All Websites using SPF

The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.

Google Apps for Business

Google Apps for Business Usage Statistics · Download List of All Websites using Google Apps for Business

Web-based email, calendar, and documents for teams. Renamed to Google Apps for Work, but now known as G Suite from Google Cloud.

Business Email Hosting

DMARC

DMARC Usage Statistics · Download List of All Websites using DMARC

A technical specification created by a group of organizations that want to help reduce the potential for email-based abuse

DMARC

Cloudflare Hosting

Cloudflare Hosting Usage Statistics · Download List of All Websites using Cloudflare Hosting

Supercharged web hosting service.

US hosting · Cloud Hosting · Cloud PaaS

Cloudflare DNS

Cloudflare DNS Usage Statistics · Download List of All Websites using Cloudflare DNS

DNS services provided by Cloudflare.

IPv6

IPv6 Usage Statistics · Download List of All Websites using IPv6

The website has an IPv6 record.