4089d73b51
- add many motivation, helpful comments and important details - improve formatting through use of more native sphinx/rst elements, like the csv-table for DNS records - clarify the basic requirements - use dig for uncached DNS propagation checks against an authoritative nameserver - explain the basic feature set of the setup example - adjust DNS TTLs; 1h is a common duration in modern setups and does not hurt caching much - remove mention of the announce mailinglist, users can just expect releases to be ready around branch-off