non l'avevo cancellato, ma il resolv.conf che ho ora lo ha scritto resolvconf:


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 195.31.14.211
nameserver 151.99.125.1
nameserver 212.216.112.112
nameserver 212.216.172.62