Also question is, what is DNS search domains?
Domain Name System (DNS) servers map domain names to Internet Protocol (IP) addresses. When used in conjunction with search domains, they allow you to go quickly to websites and servers you visit frequently without typing the complete address.
Also, what does DNS mean on Android? Domain Name System
Correspondingly, how does DNS work with VPN?
If your VPN does assign a new DNS - for example by using DHCP option 6 "DNS Server" - then you can have different DNS servers for the VPN and for Internet. In this case, when you are on the VPN all DNS would use the VPN's DNS. This is probably the most secure way since all internal traffic is sure to stay in the VPN.
Is it safe to use 8.8 8.8 DNS?
The Local DNS queries will be broadcasting your internal requests to the internet. That is not recommended and may even be a violation of your security policies, depending on the level of security required in your organization or by any governing agency. DNS forwarders that only point to 8.8.
