* resolved:
- IDN (?)
- DNSSEC
- - LLMNR
+ - LLMNR:
+ - process incoming notification of conflict
+ - send notifications of conflict
+ - verify new RRs
+ - detect conflicts
+ - queries with ANY types or classes
- mDNS/DNS-SD
- DNS-SD service registration from socket units
- port sd-resolve to direct bus calls
- nss module: fallback to glibc dns modules if resolved cannot be contacted
- edns0 + dname
- cname on PTR (?)
- - negative caching
* Allow multiple ExecStart= for all Type= settings, so that we can cover rescue.service nicely