Kestrel is a cross-platform web server for ASP.NET Core.
https://docs.microsoft.com/en-us/aspnet/core/fundamentals/servers/kestrel?view=aspnetcore-2.2
Web Servers
Get access to data on 360,947 websites that are Kestrel Customers. We know of 122,027 live websites using Kestrel and an additional 238,920 sites that used Kestrel historically and 55,750 websites in the United States.
Get a list of 360,947 websites using Kestrel which includes location information, hosting data, contact details, 122,027 currently live websites and an additional 478,531 domains that redirect to sites in this list. 238,920 sites that used this technology previouslyand 55,750 websites in the United States currently using Kestrel.
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