Yes, Pineapple has a resolv.conf file also. I have alreay tried to edit this file. But after edit (and restart service or reboot Pineapple), my changes always are over written.
In resolv.conf stand:
nameserver 127.0.0.1
I searched the forum, but can't find a post in forum for my problem.
A bit more of testing: When I edit the resolv.conf:
nameserver 127.0.0.1 nameserver 172.16.42.42
and save the file, in Putty I can Ping google.com and it's resolved. But connected Smartphone can't resolve (Smartphone was restartet first).
When restarting DNS service on Pineapple, my custom value for resolv.conf was overwritten with the initial value. DNS Resolve was not working.