This tool requests all the DNS records for a host or domain
| A | a host address |
| NS | an authoritative name server |
| MD | a mail destination (Obsolete - use MX) |
| MF | a mail forwarder (Obsolete - use MX) |
| CNAME | the canonical name for an alias |
| SOA | marks the start of a zone of authority |
| MB | a mailbox domain name (EXPERIMENTAL) |
| MG | a mail group member (EXPERIMENTAL) |
| MR | a mail rename domain name (EXPERIMENTAL) |
| NULL | a null RR (EXPERIMENTAL) |
| WKS | a well known service description |
| PTR | a domain name pointer |
| HINFO | host information |
| MINFO | mailbox or mail list information |
| MX | mail exchange |
| TXT | text strings |
| RP | Responsible person |
| AFSDB | AFS database (RFC1183) |
| X25 | X25 (RFC1183) |
| ISDN | ISDN (RFC1183) |
| RT | Route through (RFC1183) |
| NSAP | NSAP (RFC1637,1348) |
| NSAP_PTR | NSAP-PTR |
| SIG | RFC2065 |
| KEY | RFC2065 |
| PX | Preference (RFC1664) |
| GPOS | Geographical position, also known as the ICBM record (RFC1712) |
| AAAA | IPv6 Address (RFC 1886) |
| LOC | Location, also known as ICBM record (RFC1876) |
| NXT | RFC2065 |
| EID | draft-ietf-nimrod-dns-xx.txt |
| NIMLOC | draft-ietf-nimrod-dns-xx.txt |
| SRV | Services (RFC 2052) |
| ATMA | ? |
| NAPTR | (RFC2168) |
| TSIG | draft-ietf-dnsind-tsig-xx.txt |
| UINFO | Non standard |
| UID | Non standard |
| GID | Non standard |
| UNSPEC | Non standard |
| IXFR | RFC1995 |
| AXFR | A request for a transfer of an entire zone |
| MAILB | A request for mailbox-related records (MB, MG or MR) |
| MAILA | A request for mail agent RRs (Obsolete - see MX) |
| ALL | A request for all records |