; config options go here. forward-zone: name: "." forward-addr: 216.0.0.1 CONFIG_END SCENARIO_BEGIN Forwarder and an error happens on server query. STEP 1 QUERY ENTRY_BEGIN SECTION QUESTION www.example.com. IN A ENTRY_END ; But the pending query fails due to error (say TCP failure or malloc or ...) STEP 2 ERROR ; returns servfail STEP 4 CHECK_ANSWER ENTRY_BEGIN MATCH opcode qname qtype SECTION QUESTION REPLY SERVFAIL QR RA MATCH all www.example.com. IN A ENTRY_END SCENARIO_END