It's free. No contracts, no fees, no hassle. Register now and start using copydns.com.
It increases your business reliability. By adding additional NS servers you increase the reliabilty. If your primary nameserver fails your website will be still up due to our NS servers. So your visitors even won't know about any issues.
It's easy to use. You just need to add you nameserver IP, your domain and email. Everything else we will do for you. Our servers will replicate your domain zone and will start responding.
CopyDNS.com is a free secondary DNS service. According to the RFC 1034 you need to run at least two nameservers for redundancy. This is where you may need CopyDNS. It allows your sites to continue working even if your primary NS server fails due to software, hardware or network issues.