The sources of those domains are the tdnam_all_listings.xml.zip files from the GoDaddy Auctions FTP.
Because there are around 4 million domains in those lists, the system only uses the auctions ending in the next couple of days, to limit the amount of data to handle.
The information on GoDaddy Auctions change rapidly, but the source file on there FTP Server is only updated once a day. Please check the GoDaddy Website for the latest information, because they could already have changed.
01:00 AM - 02:00 AM *
Important! All information get collected when a domain is added to the list. They can be old or wrong
and everyone should check them before registering/buying a domain!
I can not guarantee that the data is up to date.