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 Usage Statistics · Download List of All Websites using Postmark
Email delivery for web apps.
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
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.
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
DMARC Quarantine Usage Statistics · Download List of All Websites using DMARC Quarantine
The domain has a DMARC policy of 'Quarantine'. This tells the receiving mail server that all emails that do not have your domain name in the “From” field (or any other set criteria) should be quarantined by default.
Digital Ocean Usage Statistics · Download List of All Websites using Digital Ocean
SSD VPS hosting environment.
US hosting · VPS Hosting
Namecheap DNS Usage Statistics · Download List of All Websites using Namecheap DNS
DNS services provided by Namecheap.
SSL by Default Usage Statistics · Download List of All Websites using SSL by Default
The website redirects traffic to an HTTPS/SSL version by default.
LetsEncrypt Usage Statistics · Download List of All Websites using LetsEncrypt
Let’s Encrypt is a free open Certificate Authority.
Root Authority
Apache Usage Statistics · Download List of All Websites using Apache
Apache has been the most popular web server on the Internet since April 1996.
Apache 2.2 Usage Statistics · Download List of All Websites using Apache 2.2
Apache version 2.2.*
Caddy Usage Statistics · Download List of All Websites using Caddy
Caddy is a modern HTTP/2 webserver, with built-in Let's Encrypt support.
Ubuntu Usage Statistics · Download List of All Websites using Ubuntu
Ubuntu is a free, Debian derived Linux-based operating system, available with both community and professional support.
Last technology detected on 24th July 2025. We know of 15 technologies on this page and 33 technologies removed from peterc.org since 10th April 2008. Link to this page.
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