Old NS:
launch1.spaceship.net
launch2.spaceship.net
New Submitted NS:
ariadne.ns.cloudflare.com
noah.ns.cloudflare.com
DNS updates can take 24-48 hours, but there are more factors that dictate the time. Whenever you make a DNS change, you almost always see a disclaimer saying it could take 24-48 hours for your change to fully take effect.
Technical Contact:
Ajay Kumar Panigrahi
Mail: support@bitzspace.com
Phone: 8249526574