-37. The dnsdb lookup has a new type, "zns", which walks up the domain tree
- until it finds some nameserver records. It should be used with care.
+37. The dnsdb lookup has been extended in a number of ways.
+
+ (1) There is a new type, "zns", which walks up the domain tree until it
+ finds some nameserver records. It should be used with care.
+
+ (2) It is now possible to give a list of domains (or IP addresses) to be
+ looked up.
+
+ (3) It is now possible to specify the separator character for use when
+ multiple records are returned.