1ASKMARA(1) askmara ASKMARA(1)
2
3
4
6 askmara - do simple dns queries
7
9 askmara queries the user-specified dns server for records, and outputs
10 the reply in a csv2-compatible format (csv2 is the format of zone files
11 that maradns uses).
12
14 askmara [-n] [ -v | -t timeout] query [ server ]
15
17 -t If this is present, the following argument is the askmara timeout,
18 in seconds. Note that askmara can not both have a user-defined
19 timeout and verbose output.
20
21 -v If this is set, askmara will verbosely output the complete reply
22 that the server sent. Note that this verbose output is not
23 csv2-compatible.
24
25 -n If this is set, askmara, when sending out a query, will not request
26 DNS recursion; in other words, askmara will request that the remote
27 DNS server not contact other DNS servers to answer the query in
28 question.
29
30 query
31 dns record to be queried. The query has two sections: The type of
32 record we desire, and the hostname we want this record for.
33
34 The type of query can have two forms: A one-letter mnemonic, or a
35 numeric rtype followed by a colon. This is immediately concatenated by
36 the full name of the host name we wish to look up.
37
38 For example, to ask for the IP of 'example.com.', we can use the one-
39 letter mnemonic, in the form 'Aexample.com.', or we can use the numeric
40 RR followed by a colon, giving the query '1:example.com.' (since A has
41 the record type of one). Note that the query name needs the trailing
42 dot at the end.
43
44 Askmara supports a handful one-letter mnemonics, as follows:
45
46 A signifies a request for an A (ipv4 address) RR
47
48 N signifies a NS RR
49
50 C signifies that we are asking for a CNAME RR
51
52 S signifies that we want a SOA RR
53
54 P signifies that we want a PTR RR
55
56 @ signifies that we mant a MX RR
57
58 T signifies that we want a TXT RR
59
60 Z signifies that we want to ask for all RRs.
61
62 server
63 IP address of the dns server to be queried. If no server is given,
64 askmara will query 127.0.0.1.
65
67 Asking the server with the ip 127.0.0.1 for the IP address of
68 example.com:
69
70 askmara Aexample.com.
71
72 Asking the server with the ip 198.41.0.4 for the IP address of
73 example.com:
74
75 askmara Aexample.com. 198.41.0.4
76
77 Asking the server with the ip address 127.0.0.1 for the IP address of
78 example.com, using the rr_number:query format:
79
80 askmara 1:example.com.
81
82 Asking the server with the ip address 127.0.0.1 for a SRV record. In
83 particular, we ask for the "http over tcp" service for example.net.
84 Since askmara doesn't have a mnemonic for SRV record types, we use the
85 numeric code (33 for SRV):
86
87 askmara 33:_http._tcp.example.net.
88
89 Asking the server with the ip address 127.0.0.1 for the AAAA (ipv6 ip)
90 record for example.net:
91
92 askmara 28:example.net.
93
94 Note that the output will be a raw DNS packet in both the SRV and AAAA
95 examples.
96
98 When askmara is asked for an SOA record, the output of askmara closely
99 resembles the format of a csv2 file, but can not be parsed as a csv2
100 file without modification.
101
102 askmara outputs multi-chunk ("character-string") TXT records
103 incorrectly (it only outputs the first chunk).
104
106 maradns(8)
107
108 http://www.maradns.org
109
111 THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS OR
112 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
113 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
114 DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
115 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
116 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
117 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
118 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
119 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
120 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
121 POSSIBILITY OF SUCH DAMAGE.
122
124 MaraDNS is written by Sam Trenholme. Jaakko Niemi used 5 minutes to
125 roll this manpage together, which Sam has subsequently revised.
126
127
128
129
130January 2002 askmara ASKMARA(1)