| A |
Maps domain names to IPv4 addresses |
| AAAA |
Maps domain names to IPv6 addresses |
| AFSDB |
AFS database location |
| APL |
Address prefix list |
| AXFR |
Authoritative zone transfer |
| CAA |
Certification authority authorization |
| CDNSKEY |
Child copy of a DNSKEY |
| CDS |
Child copy of DS |
| CERT |
Cryptographic certificate |
| CNAME |
Canonical name [Redirects a domain to a different domain] |
| CSYNC |
Child-to-parent synchronization |
| DHCID |
DHCP identifier |
| DLV |
DNSSEC lookaside validation |
| DNAME |
Delegation name |
| DNSKEY |
Cryptographic key for DNSSEC [Increases Security through signatures that can be checked to verify that a record came from the correct DNS server] |
| DS |
Delegation signer [used to verify the authenticity of child zones (subdomains) of DNSSEC zones] |
| EUI48 |
MAC address (EUI-48) |
| EUI64 |
Mac address (EUI-64) |
| HINFO |
Host information |
| HIP |
Host identification protocol |
| HTTPS |
HTTPS binding |
| IPSECKEY |
Cryptographic key for IPsec |
| IXFR |
Incremental zone transfer |
| KEY |
Cryptographic key for DNSSEC (obsoleted by DNSKEY) |
| KX |
Key exchange |
| LOC |
Geographical location |
| MX |
Mail exchange [Provides the domain names of mail servers that receive emails on behalf of a domain] |
| NAPTR |
Naming authority pointer |
| NS |
Name server [Provides a list of the authoritative name servers responsible for the domain] |
| NSEC3 |
Next secure (version 3) |
| NSEC3PARAM |
Parameter for NSEC3 |
| NSEC |
Next secure (obsoleted by NSEC3) |
| NXT |
DNSSEC key (obsoleted by NSEC) |
| OPENPGPKEY |
Public key for OpenPGP |
| OPT |
EDNS option |
| PTR |
Canonical name pointer [Resolves IPv4 or IPv6 addresses to domain names] |
| RP |
Responsible person |
| RRSIG |
Resource record signature for DNSSEC |
| SIG |
Resource record signature for DNSSEC (obsoleted by RRSIG) |
| SMIMEA |
S/MIME association |
| SOA |
Start of authority [Provides important details about a DNS zone; required for every DNS zone] |
| SPF |
Sender Policy Framework [lists all the servers authorized to send emails from a particular domain] |
| SSHFP |
Public key fingerprint for SSH |
| SVCB |
Service binding |
| SRV |
Service locator [specifies a host and port for specific services such as VoIP] |
| TA |
Trust authority for DNSSEC |
| TKEY |
Transaction key |
| TLSA |
Certificate association for TLS |
| TSIG |
Transaction signature |
| TXT |
Provides any type of descriptive information in text format |
| URI |
Uniform resource identifier |
| ZONEMD |
Message digest for DNS zones |