+-- IPv4/IPv6 - lookup_host -- #################################################
+luh = ns:taboption("basic", Value, "lookup_host",
+ translate("Lookup Hostname"),
+ translate("Hostname/FQDN to validate, if IP update happen or necessary") )
+luh.rmempty = false
+luh.placeholder = "myhost.example.com"
+function luh.validate(self, value)
+ if not value
+ or not (#value > 0)
+ or not DTYP.hostname(value) then
+ return nil, err_tab_basic(self) .. translate("invalid FQDN / required - Sample") .. ": 'myhost.example.com'"
+ else
+ return UTIL.trim(value)
+ end
+end
+--function luh.parse(self, section, novld)
+-- DDNS.value_parse(self, section, novld)
+--end
+