Title: MultiRBL.valli.org - Blacklist, Whitelist and FCrDNS check tool
Description: Free multiple DNSBL/RBL lookup and FCrDNS check tool. Test the IP (IPv4 or IPv6) of your mailserver on more than 200 blacklists and whitelists.
Title: whois The Mother of all Whois Servers, OyeTools , Oye Tools
Description: whois domain name search for all domain names in the world plus other network query tools all at one place. DNS lookup, IP owner information, PING, Traceroute, Trace route, reverse dns rDNS oye tools.