Networking & IT Tools

DNS Record Type Lookup

Search or browse common DNS record types to see what each one is used for.

TypeNamePurpose
AAddressMaps a hostname to an IPv4 address.
AAAAIPv6 AddressMaps a hostname to an IPv6 address.
CNAMECanonical NameAliases one hostname to another hostname.
MXMail ExchangeSpecifies mail servers responsible for a domain, with a priority value.
TXTTextHolds arbitrary text, commonly used for SPF, DKIM, and domain verification.
NSName ServerDelegates a DNS zone to a set of authoritative name servers.
SOAStart of AuthorityHolds administrative info about a DNS zone (primary server, serial, refresh timers).
PTRPointerMaps an IP address back to a hostname, used for reverse DNS lookups.
SRVServiceSpecifies host/port for specific services (e.g. SIP, XMPP).
CAACertification Authority AuthorizationRestricts which certificate authorities may issue certificates for a domain.
DNSKEYDNS KeyHolds a public key used for DNSSEC.
DSDelegation SignerLinks a child zone's DNSKEY to the parent zone for DNSSEC chain of trust.

How to use this tool

  1. 1Search by record type or name.
  2. 2Browse the full reference table.
  3. 3See each record type's purpose.

Frequently asked questions

Does this perform a live DNS lookup on my domain?+

No — this is a reference table explaining what each record type means, not a live DNS query tool.