diff --git a/db/migrate/20151130175654_nameservers_i_ps_are_arrays.rb b/db/migrate/20151130175654_nameservers_i_ps_are_arrays.rb
new file mode 100644
index 000000000..4e00709a8
--- /dev/null
+++ b/db/migrate/20151130175654_nameservers_i_ps_are_arrays.rb
@@ -0,0 +1,6 @@
+class NameserversIPsAreArrays < ActiveRecord::Migration
+  def change
+    change_column :nameservers, :ipv6, "varchar[] USING (string_to_array(ipv6, ','))", default: []
+    change_column :nameservers, :ipv4, "varchar[] USING (string_to_array(ipv4, ','))", default: []
+  end
+end
diff --git a/lib/tasks/import.rake b/lib/tasks/import.rake
index 1573848f1..e1e144673 100644
--- a/lib/tasks/import.rake
+++ b/lib/tasks/import.rake
@@ -471,17 +471,20 @@ namespace :import do
         nsset = x.nsset
         nsset.hosts.each do |host|
           ip_maps = host.host_ipaddr_maps
-          ips = {}
+          ips = {
+              ipv4: [],
+              ipv6: [],
+          }
           ip_maps.each do |ip_map|
             next unless ip_map.ipaddr
-            ips[:ipv4] = ip_map.ipaddr.to_s if ip_map.ipaddr.ipv4?
-            ips[:ipv6] = ip_map.ipaddr.to_s if ip_map.ipaddr.ipv6?
-          end if ip_maps.any?
+            ips[:ipv4] << ip_map.ipaddr.to_s.strip if ip_map.ipaddr.ipv4?
+            ips[:ipv6] << ip_map.ipaddr.to_s.strip if ip_map.ipaddr.ipv6?
+          end
 
           nameservers << [
             host.fqdn.try(:strip),
-            ips[:ipv4].try(:strip),
-            ips[:ipv6].try(:strip),
+            ips[:ipv4],
+            ips[:ipv6],
             x.object_registry.try(:registrar).try(:name),
             x.object.try(:registrar).try(:name) ? x.object.try(:registrar).try(:name) : x.object_registry.try(:registrar).try(:name),
             x.id,