WhoisAPI - WhoisAPI is the premier provider of freshly parsed whois data for domain names and IP addresses...
mention - Media monitoring made easy with Mention. Create alerts on your name, brand, competitors and be informed in real-time of any mention on the web and social networks
GetWhoisData - Whois Database Download using FTP. Instant Access. Daily Update. No download Limits. supports 13 TLDs and 677 gTLDs. Country wise database
KUKU - KUKU.io is a powerful social media marketing and analytics platform.
Whois.net - Whois lookup for domain name search, registration and availability.
Google Alerts - Google Alerts will send you email or RSS updates of the latest relevant Google results (web, news...