removing old DNS aliases

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Hi,

I've got a dedicated server. on the shared accounts.

I had the following domain:
globaldrumnbass.com

It has subdomain buy.ilovejungle.co.uk

It had aliases
ilovejungle.co.uk
drumnbass.ch

After moving to my new dedicated server, I've removed these subdomains, aliases in the control panel on the account, as well as, the control panel of the server.

Yet, in various locations of the control panel, the old subdomains and aliases still show up. For example, when I set the default mail account, it shows all these old subdomains and aliases.

It's like the control panel is not updating or overwriting a file somewhere.

What about the "Perform DNS Cleanup" in the DNS section of the server control panel.

Also, what should the server's Nameservers be set to?

Currently, they are set to dns1.hostrocket.com and dn2.hostrocket.com
Should they be set as
dns1.rocketcontrol.com
dns2.rocketcontrol.com

Also, should I set a Master Nameserver and Master Cluster Server in the Main >> Server Setup >> Edit Setup section of the server's control panel?

Thanks.