I was lucky enough to catch a domain on black friday at NameCheap. On the same day I pointed the nameservers to DigitalOcean. The website is still only reachable through IP, and not via domain.
ping, tracert and ...
In my experience it takes a lot longer to push changes upstream for TLDs other than .com, .net, and .org. Your registrar pushes the NS change upstream to the parent TLD, who then has the duty of reflecting...