after upgrade debian i cannot open or ping any domain even in firefox (but i havnt any problem via proxy).for example wget:unable to resolve host address google.combut i can work with ip (add in /etc/hosts) or dig any domian; <<>> DiG 9.10.3-P4-Debian <<>> debian.org;; global options: +cmd;; Got answer:;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35527;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1;; OPT PSEUDOSECTION:; EDNS: version: 0, flags:; udp: 4096;; QUESTION SECTION:;debian.org.            IN  A;; ANSWER SECTION:debian.org.     45  IN  A   149.20.20.22debian.org.     45  IN  A   5.153.231.4debian.org.     45  IN  A   140.211.15.34debian.org.     45  IN  A   130.89.148.14debian.org.     45  IN  A   128.31.0.62;; Query time: 0 msec;; SERVER: 127.0.0.1#53(127.0.0.1);; WHEN: Wed Jun 01 09:03:52 IRDT 2016;; MSG SIZE  rcvd: 119i also can access to ip directly or access to domain with /etc/hostsmy /etc/resolv.conf:nameserver 127.0.0.1 nameserver 8.8.8.8and my /etc/NetworkManager/NetworkManager.conf:[main]plugins=ifupdown,keyfile#dns=dnsmasq[ifupdown]managed=falsewhen i run nmcli dev show | grep IP4.DNS:IP4.DNS[1]:                             127.0.0.1IP4.DNS[2]:                             8.8.8.8apparently every thing is ok but i cannot access to any domain directly.Any help with this would be best appreciated!
i can't open, ping,.. any domain after upgrade debian
debian;dns;dnsmasq;avahi