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8dnstrace(1) General Commands Manual dnstrace(1)
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12dnstrace - a kind of traceroute(8) for DNS records
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16 dnstrace [OPTIONS] <TYPE> <DOMAIN-NAME> <ROOT-IP> [<ROOT-IP> ...]
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20 dnstrace is a useful debugging tool to search for all DNS servers that
21 can affect the resolution of records of given <TYPE> under the give
22 <DOMAIN-NAME> starting from the root name server <ROOT-IP>. dnstrace
23 uses the standard DNS resolution algorithm but follows all possible
24 paths in the algorithm. It prints all responses it receives from the
25 DNS servers. It also prints warnings about slow servers, dead servers,
26 misdelegated servers and misformatted packets.
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28 $ dnstrace A google.com 127.0.0.1 | dnstrcesort
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30 One can use the dnstracesort in conjunction with the dnstrace. It
31 produces more human friendly sorted output.
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35 -h --help
36 print this help
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38 -v --version
39 print version information
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43 http://cr.yp.to/djbdns/debugging.html
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47 Report bugs to <pj.pandit@yahoo.co.in>
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51 Prasad J Pandit
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55 dnstrace(1)