What type of resource records are SRV records categorized under?

SRV records are categorized as DNS records, which means they play a crucial role in the Domain Name System (DNS) infrastructure. DNS is responsible for translating human-friendly domain names into IP addresses that computers use to identify each other on the network. Specifically, SRV records are used to define the location of services available within a domain, including which servers are responsible for specific services and their associated ports.

These records help direct client requests to the appropriate server for services such as VoIP (Voice over Internet Protocol) or instant messaging. By including information such as the service name, protocol, and the associated hostname and port number, SRV records facilitate the appropriate routing of requests within the network.

In contrast, the other options represent different types of DNS records. MX records are dedicated to mail exchange functionalities, TXT records are used to hold arbitrary text data and are often utilized for verification processes or providing additional information about a domain, and IPv6 records (AAAA records) are specifically for mapping domain names to IPv6 addresses. Thus, categorizing SRV records under DNS records captures their essential role within the broader context of DNS functionality.