Sorry I’ve just missed two letters in that words. It should be redesigned. 
Corrected. Thanks
Right. Hostnames, sorry.
Yes, that’s also possible on Turris Omnia, but it’s a little bit tricky.
Because Turris Omnia uses kresd as a resolver you need to see this posts:
https://forum.test.turris.cz/t/how-to-configure-local-address-dns-resoultion-on-omnia/1000/3
https://forum.test.turris.cz/t/hostname-resolution-in-lan/4230
But you can ask here on forum and somebody will help you on that! 