A cached version of the website from July advertises flights to Catalina Island, charters, aerial tours and vacation packages. Source: Internet
A more commonly used service is Google's proprietary search engine, which searches millions of cached results related to the user specified keyword and returns an ordered list of links back to the client. Source: Internet
Also cached web pages returned by Google or other searches could bypass some controls as well. Source: Internet
A DNS response can be cached by downstream resolvers for minutes or even hours. Source: Internet
A low-priority thread executing during the verification cycle triggers the validation, identifying and eliminating invalid cached services, and ensuring the services' validity before a client attempts to use them. Source: Internet
If a stub resolver queries the caching nameserver for the same record before the TTL has expired, the caching server will simply reply with the already cached resource record rather than retrieve it from the authoritative nameserver again. Source: Internet