namegrep - Domain name search with regular expressions and curated sets
DNSdumpster.com - Open source domain intelligence lookups for security recon
BrandBucket - The original marketplace for business names and creative domain names.
ViewDNS.info - Free DNS related tools including Reverse IP Lookup, DNS Propagation Checker, Chinese Firewall Test...
The Name Combiner - Name combiner is a name creator tool that basically helps to combine or generate unique nickenames for your baby, lover, animal and so on, keep visiting!
DNS Checker Tool - Check Domain Name System (DNS) records for any website.