Net_DNS2_RR | --Net_DNS2_RR_MX
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | PREFERENCE | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ / EXCHANGE / / / +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
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[line 75]
boolean rrFromString( array $rdata)
mixed rrGet( Net_DNS2_Packet &$packet)
boolean rrSet( Net_DNS2_Packet &$packet)
string rrToString( )