When transferring a domain away, you can't assume that the Losing Registrar will keep their Nameservers live once the domain has left their care. If they don't keep their Nameservers live, your services will drop.
Should this be the case, services like your website and emails needn't drop during a domain transfer. With a little extra help from the gaining registrar, you can guarantee a smooth domain transfer.
This is the company that you're transferring your domain to
This is the company you're transferring your domain away from
The unique code required to initiate transfers of TLD domains (.com, .net, .org). Sometimes referred to as 'EPP Code'
The IPS tag set on a .uk domain specifies which registrar holds the domain
: These are the settings on the domain which define which service (website, email) is live on the domain
A server in which all DNS records for the domain's services are stored