Testing yunomdns, the service does not start:
Sep 20 10:43:14 systemd[1]: Started YunoHost mDNS service.
Sep 20 10:43:15 yunomdns[4421]: Traceback (most recent call last):
Sep 20 10:43:15 yunomdns[4421]: File "/usr/bin/yunomdns", line 139, in <module>
Sep 20 10:43:15 yunomdns[4421]: zc = Zeroconf(interfaces=ips)
Sep 20 10:43:15 yunomdns[4421]: File "/usr/lib/python3/dist-packages/zeroconf/_core.py", line 403, in __init__
Sep 20 10:43:15 yunomdns[4421]: listen_socket, respond_sockets = create_sockets(interfaces, unicast, ip_version, apple_p2p=apple_p2p)
Sep 20 10:43:15 yunomdns[4421]: File "/usr/lib/python3/dist-packages/zeroconf/_utils/net.py", line 346, in create_sockets
Sep 20 10:43:15 yunomdns[4421]: normalized_interfaces = normalize_interface_choice(interfaces, ip_version)
Sep 20 10:43:15 yunomdns[4421]: File "/usr/lib/python3/dist-packages/zeroconf/_utils/net.py", line 158, in normalize_interface_choice
Sep 20 10:43:15 yunomdns[4421]: result += ip6_addresses_to_indexes(choice)
Sep 20 10:43:15 yunomdns[4421]: File "/usr/lib/python3/dist-packages/zeroconf/_utils/net.py", line 124, in ip6_addresses_to_indexes
Sep 20 10:43:15 yunomdns[4421]: result.append(ip6_to_address_and_index(adapters, iface))
Sep 20 10:43:15 yunomdns[4421]: File "/usr/lib/python3/dist-packages/zeroconf/_utils/net.py", line 91, in ip6_to_address_and_index
Sep 20 10:43:15 yunomdns[4421]: return (cast(Tuple[str, int, int], adapter_ip.ip), cast(int, adapter.index))
Sep 20 10:43:15 yunomdns[4421]: AttributeError: 'Adapter' object has no attribute 'index'
Sep 20 10:43:15 systemd[1]: yunomdns.service: Main process exited, code=exited, status=1/FAILURE
Sep 20 10:43:15 systemd[1]: yunomdns.service: Failed with result 'exit-code'.
I will have a look into the code.
@Aleks, solved by upgrading to zeroconf-0.36.6. 
sudo pip3 install zeroconf --upgrade (hopefully it does not break anything with next release)