Based on our record, Digicert seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
To add to what others have said while trying and failing to be technical about it. This is normal. The web browser is saying this because it has no way to tell if the site you are trying to go to is the real site or has been faked in some way. So this warning just means you need to make sure on your own that what you are connecting to is what you think you are connecting to. When going to a site out on the... Source: over 1 year ago
Let's Encrypt - Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).
PowerDNS - PowerDNS offers open source DNS software, services, and support.
COMODO SSL - Buy your Comodo SSL certificates directly from the No.1 Certificate Authority powered by Sectigo (formerly Comodo CA). Fast service with 24/7 support. Over 20 years of SSL Certificate Authority!
dnsmasq - Dnsmasq is a lightweight, easy to configure DNS forwarder and DHCP server.
SSL For Free - Free SSL Certificate issued in less than a minute.
Unbound - Unbound is a validating, recursive, and caching DNS resolver.