NAME

       askmara-tcp - do simple dns queries over TCP

DESCRIPTION

       askmara-tcp queries the user-specified dns server for records, and outputs the reply in a csv2-compatible
       format (csv2 is the format of zone files that maradns uses). However unlike askmara it uses TCP rather
       than UDP.

USAGE

       askmara-tcp [-n] [-v|-t timeout] query [server]

OPTIONS

       -t  If this is present, the following argument is the askmara-tcp timeout, in seconds. Note that askmara-
           tcp can not both have a user-defined timeout and verbose output.

       -v  If this is set, askmara-tcp will verbosely output the complete reply that the server sent. Note that
           this verbose output is not csv2-compatible.

       -n  If this is set, askmara-tcp, when sending out a query, will not request DNS recursion; in other
           words, askmara-tcp will request that the remote DNS server not contact other DNS servers to answer
           the query in question.

       query
           dns record to be queried. The query has two sections: The type of record we desire, and the hostname
           we want this record for.

       The type of query can have two forms: A one-letter mnemonic, or a numeric rtype followed by a colon. This
       is immediately concatenated by the full name of the host name we wish to look up.

       For example, to ask for the IP of 'example.com.', we can use the one-letter mnemonic, in the form
       'Aexample.com.', or we can use the numeric RR followed by a colon, giving the query '1:example.com.'
       (since A has the record type of one). Note that the query name needs the trailing dot at the end.

       Askmara supports a handful one-letter mnemonics, as follows:

       A signifies a request for an A (ipv4 address) RR

       N signifies a NS RR

       C signifies that we are asking for a CNAME RR

       S signifies that we want a SOA RR

       P signifies that we want a PTR RR

       @ signifies that we mant a MX RR

       T signifies that we want a TXT RR

       Z signifies that we want to ask for all RRs.

       server
           IP address of the dns server to be queried. If no server is given, askmara-tcp will query 127.0.0.1.

EXAMPLES

       Asking the server with the ip 127.0.0.1 for the IP address of example.com:

       askmara-tcp Aexample.com.

       Asking the server with the ip 198.41.0.4 for the IP address of example.com:

       askmara-tcp Aexample.com. 198.41.0.4

       Asking the server with the ip address 127.0.0.1 for the IP address of example.com, using the
       rr_number:query format:

       askmara-tcp 1:example.com.

       Asking the server with the ip address 127.0.0.1 for a SRV record. In particular, we ask for the "http
       over tcp" service for example.net.  Since askmara-tcp doesn't have a mnemonic for SRV record types, we
       use the numeric code (33 for SRV):

       askmara-tcp 33:_http._tcp.example.net.

       Asking the server with the ip address 127.0.0.1 for the AAAA (ipv6 ip) record for example.net:

       askmara-tcp 28:example.net.

       Note that the output will be a raw DNS packet in both the SRV and AAAA examples.

BUGS

       When askmara-tcp is asked for an SOA record, the output of askmara-tcp closely resembles the format of a
       csv2 file, but can not be parsed as a csv2 file without modification.

       askmara-tcp outputs multi-chunk ("character-string") TXT records incorrectly (it only outputs the first
       chunk).

SEE ALSO

       maradns(8), askmara(1)

       http://www.maradns.org

LEGAL DISCLAIMER

       THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
       NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
       DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
       SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
       GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
       THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
       ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

AUTHOR

       MaraDNS is written by Sam Trenholme. Jaakko Niemi used 5 minutes to roll this manpage together, which Sam
       has subsequently revised.