User Agent

Mozilla/5.0 (compatible; Let's Encrypt validation server; +https://www.letsencrypt.org)

This user agent belongs to Let's Encrypt Validator. Let's Encrypt developed this Bot/Crawler.

Bot/Crawler-Let's Encrypt Validator

Let's Encrypt Validator

Version unknown
Developer Let's Encrypt
Parent HTML Validators
Platform -
Device Type -
More info https://www.letsencrypt.org

Act as 

Mobile No
Tablet No
Crawler Yes
Fake No
Anonymized No

Capabilities

 

Rendering Engine -
Pointing -
Javascript No
CSS No
Cookies No
Tables No

 

Frames No
IFrames No
Background Sounds No
Java Applets No
VB Script No
Activex No