You may have trouble on this with systemd-resolved on Linux, which is hard-coded to refuse to resolve TLDs with a single label. :-( A few years ago I wrongly t

You may have trouble on this with systemd-resolved on Linux, which is hard-coded to refuse to resolve TLDs with a single label. :-( A few years ago I wrongly thought that the ai TLD no longer had an A record because of that. Grumble!