$SDIG ::1 $port example.com SOA tcp >&2 >/dev/null
$PDNSCONTROL --config-name= --no-config --socket-dir=./ 'show *' | \
- tr ',' '\n'| grep -v -E '(user-msec|sys-msec|uptime|udp-noport-errors|udp-in-errors|real-memory-usage|udp-recvbuf-errors|udp-sndbuf-errors|-hit|-miss)' | LC_ALL=C sort
+ tr ',' '\n'| grep -v -E '(user-msec|sys-msec|uptime|udp-noport-errors|udp-in-errors|real-memory-usage|udp-recvbuf-errors|udp-sndbuf-errors|-hit|-miss|fd-usage)' | LC_ALL=C sort
kill $(cat pdns*.pid)
rm pdns*.pid