The role of DNS hosting can be run by a normal web hosting, if the provider allows users to add domains. Every paid web hosting provides DNS zones, but free web hosts Users must check, if they can add any new domain in the administration panel. Many of the free hosting services have disabled this feature, or they withdrawed from it.

How to recognize a good free web hosting and activate CV.US domain?

domain tutorial I
In a good hosting service you can instantly add a domain name which you want to use, even if you do not have control over it. You must find out what are the addresses of at least two name servers.
1. Make sure the domain is available.
2. Add "example-domain.c-v.us" in the control panel eg. cPanel domain configuration.
3. Send the form from our website containing two nameservers.
4. Wait for acceptance of the form.
5. Upon acceptance you must wait a maximum of 48 hours for changes in DNS.

domain tutorial II
If the hosting service provider requires you to first pointed domain on his domain name server before adding it to the hosting control panel, then you should find out what are the addresses of at least two name servers.
1. Make sure the domain is available.
2. Send the form from our website containing two nameservers.
3. Wait for the acceptance of the form.
4. Add "example-domain.c-v.us" in the control panel, eg. cPanel domain configuration.
5. Upon acceptance you must wait a maximum of 48 hours for changes in DNS.

Blogger allows you to add custom domains, including domains with two extensions such as. c-v.us, but does not offer hosting of the DNS zone. Read an article about properly running blogger domain.