Hi,
I moved my server to a new company and they have a feature named "Secondary DNS". Here is their explanation:
If you host primary dns, you can use second dns hsoted by Online, you have to allow ip secondary dns (62.210.16.8) and add your domain name on your Online Console clicking on secondary dns on the menu.
After 24 hours, you can use dns:
sd-xxxxx.dedibox.fr (your server)
nssec.online.net(62.210.16.8)
I have only french documentation for the moment.
http://documentation.online.net/fr/serveur-dedie/tutoriel/gestion-dns-secondaire-dedibox-online
So i can use nssec.online.net as my secondary DNS server but is it possible to use custom domain for secondary DNS like ns2.example.com ?