Fix dnssec_return_only_secure mention in readme; it's an extension
Fix dnssec_return_only_secure mention in readme; it's an extension

getdnsapi/getdns-node,getdnsapi/getdns-node,joelpurra/getdns-node,getdnsapi/getdns-node,joelpurra/getdns-node,joelpurra/getdns-node