Lookup data structures allow for automatic searching of large databases or lists. There are two types: static and dynamic. Searching can be expensive, so structures are optimized. Any data structure can be a lookup structure, but it must have at least two elements. The benefit is quick searching, but it’s not as useful for small […]
Reverse DNS lookup uses the Domain Name System (DNS) to find the domain name associated with an IP address. It can also reveal the owner’s contact information and is used to combat email spam. WHOIS maintains contact information for domain names and IP addresses. To find the Internet domain name associated with a particular Internet […]
DNS lookup is the process of obtaining an IP address when a DNS resolution request is made. It can travel laterally through the DNS system or be forwarded to ascending or root servers. DNS lookups are used for network tools, email tools, web search, and network security. A Domain Name System (DNS) lookup is the […]
A lookup table is a type of information table used in software to retrieve data based on search criteria. It is used in billing, sales, and educational databases, and can be structured for manual or automated use, making data retrieval quick and efficient. A lookup table is a type of information table that is commonly […]
