Delete a TKEY-negotiated TSIG key.\n\
validation newstate [view]\n\
Enable / disable DNSSEC validation.\n\
+ nta [-lifetime duration] [-force] domain [view]\n\
+ Set a negative trust anchor, disabling DNSSEC validation\n\
+ for the given domain.\n\
+ Using -lifetime specifies the duration of the NTA, up\n\
+ to one day.\n\
+ Using -force prevents the NTA from expiring before its\n\
+ full lifetime, even if the domain can validate sooner.\n\
+ nta -remove domain [view]\n\
+ Remove a negative trust anchor, re-enabling validation\n\
+ for the given domain.\n\
+ nta -dump\n\
+ List all negative trust anchors.\n\
addzone zone [class [view]] { zone-options }\n\
Add zone to given view. Requires new-zone-file option.\n\
delzone [-clean] zone [class [view]]\n\