mailling list - Error: DNS record already exists.

[registros]

Hello,

When I try to enter to the section Mailling list of one of my domains (just one), I get the "Error: DNS record already exists."

I have restored a backup last week and before this restore the section worked fine. In the new server, in the moment of the restore the mailling list was not configured but now it is configured and works fine in all domains except one.

Any ideas?

Thanks in advanced