DomainFox is a tool to ensure your domains don't lapse by sending you a notification in advance.
Domain Monitoring Made Easy
DomainWatch makes it easy for you to monitor your own domains and ones you want to acquire. We keep an eye on expiration dates, nameservers, SSL certificates, whois contacts and more.
DomainWatch is free for monitoring expiration for 10 domains. If you have more domains and want to monitor more than just expiration dates, say hello.