Only use IPv4
Only use IPv6
Show a help text and exit
Insecurer mode; there will only be one query for the DNSKEYS. There will not
be crosschecking of all authoritative nameservers.
Set the verbosity level. The following levels are available:
0: default, only print the DNSKEY RRset found, or an error on failure.
1: Show the nameservers that are queried
2: Show more info on what is checked
3: Show the intermediate results (authority and dnskey rrsets)
4: Print the answer packets that are returned
Use file as the root hints file, should contain A records in presentation
format. The default is /etc/named.root. You can get this file from
Dont print the keys to stdout, but store them in files.
The filenames will be of the format K<file>.+<alg>.+<keytag>.key