use zone ttl if dnskey ttl from .key is omitted
use zone ttl if dnskey ttl from .key is omitted



gegenschall/ldns,benlaurie/ldns,NLnetLabs/ldns,threatstack/libldns,NLnetLabs/ldns,gegenschall/ldns,threatstack/libldns,benlaurie/ldns,gegenschall/ldns,threatstack/libldns,gegenschall/ldns,benlaurie/ldns,benlaurie/ldns,NLnetLabs/ldns,threatstack/libldns,threatstack/libldns,NLnetLabs/ldns