Briefly define six of the nine most commonly used resource record types.

What will be an ideal response?


Address (A) record: An address (A) record stores domain name-to-IP address translation data.
Canonical name (CNAME) record: A canonical name (CNAME) record is used to create aliases.
Host information (HINFO) record: A host information (HINFO) record stores descriptive information about a specific Internet host.
Mail exchange (MX) record: A mail exchange (MX) record is used to route
SMTP-based e-mail on the Internet and identify the IP address for a domain's master e-mail server.
Name server (NS) record:A name server (NS) record is used to identify all DNS servers in a domain.
Pointer (PTR) record:A pointer (PTR) record stores IP address-to-domain name translation data and supports the operation known as a reverse DNS lookup.
Start of Authority (SOA) record:A Start of Authority (SOA) record identifies the name server that is authoritative for a specific DNS database segment; in other words, it identifies the master DNS server for a specific domain or subdomain.
Service Location (SRV) record:A Service Location (SRV) record, sometimes simply called a Service record, is designed to provide information about available services, used in the Windows Active Directory environment, to map the name of a service to the name of a server that offers such service.
Text (TXT) record: A text (TXT) record may be used to add arbitrary text information to a DNS database, usually for documentation.
Well-known services (WKS) record:A well-known services (WKS) record lists the IP-based services, such as Telnet, FTP, HTTP, and so forth, that an Internet host can supply.

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