Normally the operating system removes this data after a certain period of time, but if you're having troubles accessing a website and you suspect it's due to a DNS issue, the first step is to force-delete this information to make room for new, updated DNS records.
Dika usoro nhazi na-ewepu data a mgbe oge ufodu, ma oburu na i nwere nsogbu nbudata mkpokọta weebụ ma chee na o bu ihe choro DNS, nke mbu bu igbanye-ihichapu ozi a iji weputa ohere, emelitere ihe ndekọ DNS.