API Format Nameservers
From Openprovider API documentation
Format specification > nameserver
Collection of data fields that contains the following members:
| Field | nameServers |
| name (required) | |
| URI or hostname of the nameserver |
| ip (required if no valid ip6) | |
| IPv4 address of the nameserver |
| ip6 (required if no valid ip) | |
| IPv6 address of the nameserver |