How to add or change the nameservers for your own domain?

If you already have your own domain name and want to connect it to your Berta site, you need to specify our namservers.
Make sure the NAMESERVERS of the domain name are these ones:

a.ns.berta.me
and
b.ns.berta.me

How to change Nameservers for:
1) Namecheap - http://www.namecheap.com/support/knowledgebase/article.aspx/767/10/
2) Name.com - http://support.name.com/hc/en-us/articles/205934547-Changing-Your-N...
3) GoDaddy - http://support.godaddy.com/help/article/664/setting-nameservers-for...

Procedure to change nameservers for other domain registrars are similar.

Nameserver changes in some cases can take up to 48h for global DNS servers to update information.