critical("No response to seed query for $zone from $prettyrefs.") unless $pkt;
critical($pkt->header->rcode . " from " . $pkt->answerfrom)
unless ($pkt->header->rcode eq 'NOERROR');
critical("No response to seed query for $zone from $prettyrefs.") unless $pkt;
critical($pkt->header->rcode . " from " . $pkt->answerfrom)
unless ($pkt->header->rcode eq 'NOERROR');