Michal Nowak
093af1c00a
The $SYSTEMTESTTOP shell variable if often set to .. in various shell scripts inside bin/tests/system/, but most of the time it is only used one line later, while sourcing conf.sh. This hardly improves code readability. $SYSTEMTESTTOP is also used for the purpose of referencing scripts/files living in bin/tests/system/, but given that the variable is always set to a short, relative path, we can drop it and replace all of its occurrences with the relative path without adversely affecting code readability.
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system test for recursion limits
ns1 -- root server
ans2 -- for example.org: delegate to ns1.(n+1).example.org for all n, up to the
value specified in ans.limit (or forever if limit is 0)
ns3 -- resolver under test
ans4 -- for ns*.example.com: return address records.
ans7 -- "victim" server