hello, i have the same error without gpg error message on vps debian 9.9 at https://www.leaseweb.com
cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 83.149.80.123
nameserver 85.17.96.69
I don’t know what to do