1 - OTTool 1.0 OTTool is a free utility which provides a synopsis of the AppleTalk and IP configuration parameters within Apple Computer's Open Transport networking architecture. In addition, OTTool allows users on IP networks to make Domain Name Server (DNS) queries, ping devices using ICMP Pings, trace IP routes (UNIX traceroute), scan through ranges of IP addresses asking for resolutions, and query a DNS for Mail Exchange and System Info. On MacOS PowerPC machines, it will also dump the IP ARP cache. License: Freeware OS: Mac OS Size: 281 KB