Question

DNS not working after reboot, can reach IP but not domain

Hello,

I just made a reboot on my server and now DNS doesn’t seem to be working, I’ve googled to see if I could find some answers but nothing has helped so far, So I hope there is a friendly person here that can help me.

ifconfig -a

eth0      Link encap:Ethernet  HWaddr c2:a8:d0:bf:9d:b7
          inet addr:165.227.170.***  Bcast:165.227.175.255  Mask:255.255.240.0
          inet6 addr: 2a03:b0c0:3:d0::18:a001/64 Scope:Global
          inet6 addr: fe80::c0a8:d0ff:febf:9db7/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1652 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1213 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:922350 (922.3 KB)  TX bytes:252376 (252.3 KB)

eth1      Link encap:Ethernet  HWaddr 46:49:b6:ad:ce:f0
          inet addr:10.135.7.***  Bcast:10.135.255.255  Mask:255.255.0.0
          inet6 addr: fe80::4449:b6ff:fead:cef0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:578 (578.0 B)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:12110 errors:0 dropped:0 overruns:0 frame:0
          TX packets:12110 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:912214 (912.2 KB)  TX bytes:912214 (912.2 KB)

If there is other info needed, let me know and I’ll post it.


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what happens to /etc/resolv.conf after running resolveconf -u ?

/etc/resolv.conf is empty

/etc/network/interfaces.d/50-cloud-init.cfg:

auto lo
iface lo inet loopback
    dns-nameservers 8.8.8.8 8.8.4.4

auto eth0
iface eth0 inet static
    address 165.227.170.***
    gateway 165.227.160.1
    netmask 255.255.240.0

# control-alias eth0
iface eth0 inet6 static
    address 2A03:B0C0:0003:00D0:0000:0000:0018:A001/64
    gateway 2A03:B0C0:0003:00D0:0000:0000:0000:0001

# control-alias eth0
iface eth0 inet static
    address 10.19.0.7
    netmask 255.255.0.0

auto eth1
iface eth1 inet static
    address 10.135.7.***
    netmask 255.255.0.0

/etc/network/interfaces:

auto lo
iface lo inet loopback

source /etc/network/interfaces.d/*