pdns-backend-pipe 4.2.1-1build2 (amd64 binary) in ubuntu focal

 PowerDNS is a versatile nameserver which supports a large number
 of different backends ranging from simple zonefiles to relational
 databases and load balancing/failover algorithms.
 PowerDNS tries to emphasize speed and security.
 .
 This package contains the pipe backend for the PowerDNS nameserver. This
 allows PowerDNS to retrieve domain info from a process that accepts
 questions on stdin and returns answers on stdout.