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Following the 02/09 Tumbleweed update my DNS seems to be broken.

My wifi icon in top right has a question mark, ping google.com returns Name or service not known, but nslookup google.com correctly returns the IP address. If I go to Google's IP address in Firefox I get the message We can't connect to the server at www.google.com. so it is being resolved somehow.

I can ping 8.8.8.8.

I've tried all the other answers I can see for related issues but none have worked for me. My resolv.conf is:

search MYDOMAIN
nameserver IP1
nameserver IP2

where IP1 & 2 are my companies addresses.

I've tried changing nsswitch.conf and reduced the hosts line to files dns (removing the mdns4 bit).

If I force Google's DNS then it still doesn't work, i.e. if I try nslookup google.com 8.8.8.8 it fails, and if I go into NetworkManager and add 8.8.8.8,8.8.4.4 to DNS in IPv4 settings for my Wifi then it still doesn't work.

  • Do not use ping to troubleshoot DNS issues. The correct tool for that is dig, which is superiot to nslookup. By default it will use nameservers defined in /etc/resolv.conf so the first step is making sure you can contact them. – Patrick Mevzek Feb 14 at 23:17
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I got this working by adding dns=dnsmasq under [main] in /etc/NetworkManager/NetworkManager.conf.

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