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Last updated: Nov 30,2021
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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
issue_
Why is my computer fetching this data? Is it malicious?
No, the data on lencr.org is never malicious. When a device connects to
lencr.org
its because client software on that
device (like a web browser or an app) connected to another site, saw a Lets Encrypt certificate, and is trying to verify that its
valid. This is routine for
clients
We can't speak to whether the other site being connected to is malicious If _
investigating network activity that seems
unusual, thenyou may 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 intermittent: Clients might never retrieve this data;
only retrieve subsets of it; or "cache" some data for efficiency, so theyIl only access it sometimes (the first time they need it,
many
youre