This is Zinc HTTP Components echoing your request !
Running a ZnManagingMultiThreadedServer(running 8180)
GET request for /echo
with headers
 Connection: close
 Host: znp
 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
 Accept-Language: en-US,en;q=0.5
 User-Agent: CCBot/2.0 (https://commoncrawl.org/faq/)
 Accept-Encoding: br,gzip
 X-Zinc-Remote-Address: 127.0.0.1