Lets Encrypt Documentation Ger Donate About Us ~Languages D lencr.org Last updated: Nov 30,2021 See all Jocumentation What's lencr.org lencr.org is a domain name owned by Let's Encrypt: We use it to host data that is referenced inside the certificates we ssue_ Why is my computer fetching this data? Is it malicious? No, the data on lencr.org never malicious When a device connects to Lencr.org it's because client software on that device (like web browser or an app} connected to another site, sawa Ler's Encrypt certificate, and is trying to verify that it's valid. This is routine for many clients_ We can't speak to whether the other site being connected to is malicious If youre investigating network accivity thac seems unusual, thenyou want to focus on the connection that started just before the connection tO lencr org The pattern of clients connections to lencr org might look unusual or intermitrent Clients might never rerrieve this data; only retrieve subsets of it; or "cache" some Cata for efficiency, so theyll only access ic somecimes (che first cime they need it, and when the data may have expired) What exactly is this data for? Help may