A Maps host name to an address
AAAA Maps host name to Ipv6 address
AFSDB Location of Andrew File System (AFS) cell’s database server or Distributed Computing Environment (DCE) cell’s authenticated server
ATMA Maps domain name to Asynchronous Transfer Mode (ATM) address
CNAME Creates an alias (synonymous) name for the specified host
HINFO Identifies the host’s hardware and operating system type
ISDN Maps host name to Integrated Services Digital Network (ISDN) address (phone
number)
KEY Public key related to a DNS domain name
MB Associates host with specified mailbox; experimental
MG Associates host name with mail group; experimental
MINFO Specifies mailbox name responsible for mail group; experimental
MR Specifies mailbox name that is correct rename of other mailbox; experimental
MX Mail exchange server for domain
NS Specifies address of domain’s name server(s)
NXT Defines literal names in the zone; implicitly indicates nonexistence of a name if
not defined
PTR Maps address to a host name for reverse lookup
RP Identifies responsible person for domain or host
RT Specifies intermediate host that routes packets to destination host
SIG Cryptographic signature record
SOA Specifies authoritative server for the zone
SRV Defines servers for specific purpose such as http, ftp, and so on
TXT Associates textual information with item in the zone
WINS Enables lookup of host portion of domain name through WINS server
WINS-R Reverses lookup through WINS server
WKS Describes services provided by specific protocol on specific port
X.25 Maps host name to X.121 address (X.25 networks); used in conjunction with RT
records