Usage: validate [options] [DOMAIN_NAME]
Resolve and validate a DNS query.
Primary Options:
        -h, --help             Display this help and exit
        -p, --print            Print the answer and validation result
        -s, --selftest         Run all internal sefltest suite(s)
        -S, --test-suite=<suite>[:<suite>] Run specified internal sefltest suite(s)
        -T, --testcase=<number>[:<number>
                               Specifies the test case number/range 
        -F, --testcase-conf=<file> Specifies the file containing the test cases
        -c, --class=<CLASS>    Specifies the class (default IN)
        -t, --type=<TYPE>      Specifies the type (default A)
        -v, --dnsval-conf=<file> Specifies a dnsval.conf
        -r, --resolv-conf=<file> Specifies a resolv.conf to search for nameservers
        -i, --root-hints=<file> Specifies a root.hints to search for root nameservers
        -w, --wait=<secs> Run tests in a loop, sleeping for specifed seconds between runs
        -l, --label=<label-string> Specifies the policy to use during validation
        -o, --output=<debug-level>:<dest-type>[:<dest-options>]
              <debug-level> is 1-7, corresponding to syslog levels ALERT-DEBUG
              <dest-type> is one of file, net, syslog, stderr, stdout
              <dest-options> depends on <dest-type>
                  file:<file-name>   (opened in append mode)
                  net[:<host-name>:<host-port>] (127.0.0.1:1053
                  syslog[:facility] (0-23 (default 1 USER))
Advanced Options:
        -m, --merge            Merge different RRSETs into a single answer

The DOMAIN_NAME parameter is not required for the -h option.
The DOMAIN_NAME parameter is required if one of -p, -c or -t options is given.
If no arguments are given, this program runs a set of predefined test queries.