Nameserver records returned by the parent servers are:

carla.ns.cloudflare.com. ['108.162.194.86', '162.159.38.86', '172.64.34.86'] [TTL=172800]
nikon.ns.cloudflare.com. ['108.162.195.176', '162.159.44.176', '172.64.35.176'] [TTL=172800]

l.gtld-servers.net was kind enough to give us that information.

Name serve güncellemeniz lazım kurulum talitmalarına uyunuz