Slack

Slack Usage Statistics · Download List of All Websites using Slack

Messaging app for teams that makes working together simple and efficient.

Atlassian Cloud

Atlassian Cloud Usage Statistics · Download List of All Websites using Atlassian Cloud

Products including Jira and Confluence.

Ticketing System

SparkPost

SparkPost Usage Statistics · Download List of All Websites using SparkPost

Transaction email provider from messaging systems.

Transactional Email

Postmark

Postmark Usage Statistics · Download List of All Websites using Postmark

Email delivery for web apps.

Transactional Email

Zoho Mail

Zoho Mail Usage Statistics · Download List of All Websites using Zoho Mail

Business email hosting from Zoho.

Business Email Hosting

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

GoDaddy Email

GoDaddy Email Usage Statistics · Download List of All Websites using GoDaddy Email

GoDaddy email provides a personalized address but protection against viruses and spam and includes tools like Calendar.

Web Hosting Provider Email

DKIM

DKIM Usage Statistics · Download List of All Websites using DKIM

DomainKeys Identified Mail provides a method for validating a domain name identity that is associated with a message through cryptographic authentication.

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

Barracuda Networks

Barracuda Networks Usage Statistics · Download List of All Websites using Barracuda Networks

Mail hosting by security company Barracude Networks

Secure Email

Microsoft Azure DNS

Microsoft Azure DNS Usage Statistics · Download List of All Websites using Microsoft Azure DNS

This domain is verified with Microsoft Azure.

WP Engine

WP Engine Usage Statistics · Download List of All Websites using WP Engine

WP Engine provides WordPress hosting for demanding business owners and bloggers.

WordPress Hosting · US hosting

Google

Google Usage Statistics · Download List of All Websites using Google

Site hosted on Google infrastructure.

Cloud PaaS · Brazilian hosting

Google Cloud

Google Cloud Usage Statistics · Download List of All Websites using Google Cloud

Website hosted on Google Cloud Platform - includes Google Compute Engine.

Cloud Hosting · Brazilian hosting

Cloudflare Hosting

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

Supercharged web hosting service.

US hosting · Cloud Hosting · Cloud PaaS

GoDaddy DNS

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

DNS services provided by GoDaddy.