Let’s Encrypt is a free open Certificate Authority.
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SSL Certificates · Root Authority
Get access to data on 131,335,900 websites that are LetsEncrypt Customers. We know of 54,629,999 live websites using LetsEncrypt and an additional 76,705,901 sites that used LetsEncrypt historically and 5,049,914 websites in the United States.
Get a list of 131,335,900 websites using LetsEncrypt which includes location information, hosting data, contact details, 54,629,999 currently live websites and an additional 4,772,710 domains that redirect to sites in this list. 76,705,901 sites that used this technology previouslyand 5,049,914 websites in the United States currently using LetsEncrypt.
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