SoftLayer_Dns_Domain_ResourceRecord_NsType is a SoftLayer_Dns_Domain_ResourceRecord object whose type property is set to "ns" and defines a DNS NS record on a SoftLayer hosted domain. An NS record defines the authoritative name server for a domain. All SoftLayer hosted domains contain NS records for "ns1.softlayer.com" and "ns2.softlayer.com" . For instance, if example.org is hosted on ns1.softlayer.com, then example.org contains an NS record whose host property equals "@" and whose data property equals "ns1.example.org".
NS resource records pointing to ns1.softlayer.com or ns2.softlayer.com many not be removed from a SoftLayer hosted domain.