the user need to modify the /etc/hosts file

[luckypoem]

the user need to modify the /etc/hosts file,add the following line to the bottom of the hosts file:
my-vps-ip mydomain.com

when running "sudo dohproxy -host localhost -port 53 -dohserver https://mydomain.com/dns-query",u will encounter the error:"no such host".
after modifying the hosts file,then no error.