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Domain Name System (DNS) is a hierarchical, distributed database that provides a routing service for Internet protocol (IP) addresses. DNS allows a computer to look up the IP address of a domain name and convert it to an IP address.

To find all DNS records for a domain, you can use a DNS lookup tool such as nslookup or dig. To use nslookup, type the domain name into the nslookup command and then press Enter. You will be presented with a list of IP addresses and domain names.

To use dig, type the domain name into the dig command and then press Enter. You will be presented with a list of DNS resource records (RRs) for the domain.