Let’s Encrypt is a free open Certificate Authority.
https://letsencrypt.org
SSL Certificates · Root Authority
Get access to data on 132,495,580 websites LetsEncrypt Customers. We know of 70,901,153 live websites using LetsEncrypt and an additional 61,594,427 sites that used LetsEncrypt historically and 6,891,987 websites in the United States.
Get a list of 132,495,580 websites using LetsEncrypt which includes location information, hosting data, contact details, 70,901,153 currently live websites and an additional 3,778,634 domains that redirect to sites in this list. 61,594,427 sites that used this technology previouslyand 6,891,987 websites in the United States currently using LetsEncrypt.
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