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Recap
Wildcards
n*.ripe.net will provide an answer for:
uAny label that is in the ripe.net
zone
uFor labels not already known to
exist between the query name
and the wildcard domain
FIf B.X and *.X appear in the zone with origin X then a query
for Z.X
would return the wildcard data. The wildcard answer would not
apply for question for B.X, A.B.X or X.
uThe wildcard label sorts
canonically before the alphabetical data
X*.XB.XA.B.X