Changes to Delegate to vanity name servers

the response property data became required for the status 200

the response property data/items/created_at became required for the status 200

the response property data/items/id became required for the status 200

the response property data/items/ipv4 became required for the status 200

the response property data/items/ipv6 became required for the status 200

the response property data/items/name became required for the status 200

the response property data/items/updated_at became required for the status 200

the response property errors became required for the status 400

the response property message became required for the status 400

the response property message became required for the status 404

the response property data became optional for the status 200

the response property data/items/created_at became optional for the status 200

the response property data/items/id became optional for the status 200

the response property data/items/ipv4 became optional for the status 200

the response property data/items/ipv6 became optional for the status 200

the response property data/items/name became optional for the status 200

the response property data/items/updated_at became optional for the status 200

the response property errors became optional for the status 400

the response property message became optional for the status 400

the response property message became optional for the status 404