pdns-tools 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 several tools to debug DNS issues. These tools do not
 require any part of the PowerDNS server components to work.
 .
   * dnsbulktest: A resolver stress-tester
   * dnsgram: Show per 5-second statistics to study intermittent resolver issues
   * dnsreplay: Replay a pcap with DNS queries
   * dnsscan: Prints the query-type amounts in a pcap
   * dnsscope: Calculates statistics without replaying traffic
   * dnstcpbench: Perform TCP benchmarking of DNS servers
   * dnswasher: Clean a pcap of identifying IP information
   * ixplore: Explore diffs from IXFRs
   * nsec3dig: Calculate the correctness of NSEC3 proofs
   * saxfr: AXFR zones and show extra information